Aryan Brotherhood members also frequently use the initials AB or their alphanumeric equivalent of 1 and 2, or 12 including the use of Roman numerals. Another fairly common signifier is the use of the number the so-called "number of the beast". Skip Navigation. Expand search Search. White Supremacist Prison Gang Symbols. Additional Images:. More from this Section. Hate Symbol. California Roll See California Stop. Coming stop without stopping but proceeding through at a slow rate of speed.
California Stop Phrase often used by motorcyclists meaning to stop, typically at an intersection, without putting a foot down. Caliper Non-rotating components of a disc brake that straddles the disc and contains the hydraulic components. Cam A circle or oblong with an off-center point of axis found on a camshaft. Camber 1. Inward or outward tilt of a wheel. Convex curvature of the road surface. Sideways angle of slant of the pavement. Camshaft The shaft in the engine with cam lobes, used mainly for operating the intake and exhaust valves.
It is driven by gears or by sprockets and a toothed belt or chain from the crankshaft. Can Performance enhancing exhaust muffler or back box, fitted to the exhaust system, made of stainless steel or titanium to improve acceleration and mid-range power torque.
Canyon Bites Serious accidents that occur while riding fast on twisty roads that are often found in canyons of mountainous areas. Capacitor A device for storing or collecting a surge of electrical current. Also called a condenser. Characterised by high strength and rigidity. Carbon Fiber A high-tech material favoured in many motorcycle applications because it is extremely strong, light and expensive. The distinctive look of carbon fiber has become trendy. Carburetor 1. The part of the bike that mixes air and fuel in correct proportions before it is entered into the engine cylinder s.
Mechanism for mixing fuel and air and controlling the amount entering the combustion chamber. A mechanical device found on the intake side of the engine which mixes fuel and air to create the volatile mixture that gets ignited in the engine.
Carma Like traditional Karma but occurs when cagers do stupid things to bikers. These phenomena will only occur when the cager is more than a mile in distance from the biker as to avoid any motorcycle catastrophes. Also works in positive ways when cagers allow a biker plenty of room and are aware of their presence and respect their right to the road. Designed to protect the engine in case of a collision, but popular for their appearance.
Popular with cruiser-style motorcycles. Cases The two clam-shell-like halves in the bottom end of the engine surrounded hy a metal shell. Casing it Coming up short on a double or triple jump and landing on the top of the last jump instead of clearing it. Casing refers to landing on the frame rails and engine cases.
Caster Forward tilt of steering axis that tends to stabilize the steering. Catalytic Converter Exhaust device to reduce pollution emissions recently used on motorcycles.
Cateye A style of tail light. Catwalk A British term for wheelie. CB Honda motorcycle. The first Sport Bike. CC Cubic centimeters. There is no American equivalent. Center of Gravity The point in or near a body where the force of gravity appears to act.
Centerstand The mechanical stand attached to the frame that holds the motorcycle vertically upright as opposed to leaned over on the side stand when parked. Centerstand Tang A small lever attached to the centerstand.
Century Traveling at mph Chain Transfers power to the rear wheel from the engine on a chain drive system. Made up of over a hundred links that provide flexability and adjustability.
Runs on two sprokets, one located on the engine drive shaft, the other on the hub of the rear tire. Chain Drive The word chain drive usually refers to primary drive, in which sense it means the chain transferring power to the rear wheel. As opposed to the two alternatives, shaft or belt drive, the chain is a lightweight solution and does not cause lag in throttle response or elevation effects.
On the other hand it is a solution that needs a lot of maintenance. Chair A common term for a side car. Chaps Chaps are a clothing accessory designed for protection and fashion. They snap at the ankles and zip down the legs. Chapter The local entity of a larger club. Charge depleting A mode of operation used by plug-in hybrid electric vehicles PHEV , during which electrical energy from the battery powers the vehicle, so that the overall energy stored in the battery is being consumed.
At any given moment, the battery may be increasing or decreasing its charge. The battery in hybrid electric vehicles may be charged from regenerative braking and the internal combustion engine ICE. Charge sustaining A mode of operation used by plug-in hybrid electric vehicles PHEV to sustain overall battery state of charge. At a given moment, the battery may be increasing or decreasing its charge.
The battery in hybrid vehicles may be charged from regenerative braking and the internal combustion engine ICE. However, in charge sustaining mode, the ICE supplies all the propulsion power of the vehicle. With the aid of the electric drive train, it can operate more efficiently than a conventional vehicle in this mode. Chase Vehicle Van or truck that follows a pack of riders on a run to assist or haul any bikes that might break down Chassis The combined frame and suspension on a motorcycle.
Cherry Juice Transmition Fluid. Chicken Strips The tread left on the sidewalls of a sport bike. Chopper Term for a customized motorcycle that has taken various forms through the years. The most notable feature of a Chopper is its extended fork system. Chopping the Throttle This refers to rapidly closing or backing off the throttle to reduce speed.
Chrome Chrome plating is a finishing treatment utilizing the electrolytic deposition of chromium. It imparts a mirror-like finish to items such as metal furniture frames and automotive trim.
Also a nickname for Kip. Chrome-Slut Those addicted to putting on more and more chrome, regardless of the functionality. Chromosexual That one biker who keeps adding more and more chrome, a chrome-overkill. It snaps into a groove on a shaft to restrict movement in a particular direction while fastening mechanical parts together securely. Sometimes called a C clip. Citizen Anyone who is not a member of a Biker Organization. Clip-ons Handlebars that attach directly to the top of the fork tubes, rather than on the top yoke, that hold the fork tubes together.
Clip-ons can provide faster steering response by lowering the riding position for countersteering. Specifically, that rider will move into the lane that is about to be lost in order to prevent a vehicle from trying to pass the group so that it will not run out of lane and, thus, then have to cut into the group of motorcycles. Club Also referred to as MC Club A motorcycle organization made up of members who have banded together in a common interest, members have pledged their loyalty also called prospecting or a prospect for some time before becoming active.
Treat these people with utmost respect. Clubber One who has club affiliation Clutch The clutch is operated by a handle in order to, ultimately, engage or disengage power to the rear wheel.
Clutching it up Using the clutch to cause the bike to wheelie. Combustion chamber 1. The area at the top of the cylinder where the fuel charge burns and pushes the piston down. The part of the cylinder in which the fuel is compressed and explodes.
Combustion chamber design The combustion chamber is the area inside an engine where air and fuel are compressed and ignited. Modifying the chamber design can increase the overall efficiency of the engine. Combustion cycle The combustion cycle generally refers to the intake, compression, power and exhaust strokes.
It is the process in which heat is added through combustion of fuel and converted into mechanical energy. The most common type of combustion cycle for a gasoline engine is the Otto cycle; however, some modifications have been made to the Otto cycle to improve its efficiency Coming on the Cam The term used when a four stroke reaches its powerband.
Coming on the Pipe The term used when a two stroke reaches its powerband. Commuter Anyone who normally rides his Bike to and from work. Compression A condition in which the volume of fuel and air in an engine cylinder is reduced as a result of increased pressure by a piston.
The compression ratio of an engine is the ratio of the volume above the piston at the bottom of its compression stroke to the volume above the piston at the top of its stroke. Compression ratio The ratio of the volume of an engine cylinder before compression when the piston is at bottom dead centre as compared to the volume of the same cylinder after compression when the piston is at top dead centre. Compression Release Used in two-stroke engines, the compression release opens an extra valve to prevent compression and increase engine drag.
Compression stroke The piston movement from bottom dead centre BDC to top dead centre TDC immediately following the intake stroke, during which both the intake valve and the exhaust valve are closed while the fuel-air mixture in the cylinder is compressed. Condenser See capacitor. Connecting Rod 1. These attach the crankshaft to the pistons via the eccentric hournals, and the rods up and down movement is converted into a circular motion through the design of the journals.
Rod connecting piston to crankshaft. Constant Radius Turn A turn with a steady, nonchanging arc. In a decreasing radius corner, the arc gets sharper as you progress through the curve, while in a increasing radius corner, the arc becomes less sharp.
Contact Patch The area of your tire that actually contacts the road while you ride. Cool Collar A wrap for use around the neck used to provide significant cooling to a rider in very hot weather. Cordura 1. A high tenacity, air textured nylon fiber, made exclusively by Dupont. Superior abrasion resistance over any other fabric in a head to head comparison.
Hundreds of nylon materials exist but Denier Cordura is the industry minimum standard for apparel material abrasion and tear strength. The manufacturing process involves respinning and weaving the cut polyamide fibres.
Corn Snakes Dried cornstalks that blow across the road especially at harvest time. Corrosion Oxidation or rust on a metal part. Counter Balancer A weight inside an engine that spins with the engine rpm to cancel out some of the engines vibration and make the engine feel smoother. Counter Steer Counter-intuitive steering system in which a push to the left-side handlebar results in a right-side turn and vice versa. To see just how counter-intuitive, check out the reader comments below.
Countersteering 1. The act of turning the bikes handlebars in one direction at higher speeds and having it go in the opposite direction. The way you use the handlebar to lean the bike into a turn. If you want to turn right, you push the handlebars left, and vice versa.
Counterweight Rotating shaft used to offset vibration. Sometimes called counterbalance or countershaft. Coupon This is a traffic ticket. Cowl Bodywork pieces that cover the engine and transmission of a bike to improve aerodynamics and visual smoothness.
These are the parts removed from a naked bike. Crank it over To turn an engine over in the process of starting it up.
Crankcase External housing for the crankshaft. Crankshaft The main rotating member or shaft of the engine, with cranks to which the connecting rods are attached; converts up-and-down or reciprocating motion into circular or rotary motion. Crash Bars The incorrect term for engine guards. Crash Padding A motorcyclists protective clothing, especially abrasion resistant and impact absorbing riding gear and helmet. Cross Extreme motorcycles designed for driving in rough terrain or on cross tracks.
Cross Wind Wind blowing across the direction of travel. Crosser A motocross bike. Often referred to as a Scrambler. Crotch Rocket 1. A slang term for Sport Bikes. A small sport bike with big HP engine. Small, fast motorcycle. Crowns The tops of the pistons. Cruiser 1. Factory made decedents of customized choppers offering a classic look. Characterized by low seat, swept back look, lots of torque with a strong exhaust note and lots of chrome and accessories.
Cruiser A bike built for cruising the boulevards as opposed to sports riding or long-distance riding. Typically of classic style with a low seat, pull-back handle bars, fancy paint and lots of chrome. Curb weight The total weight of the vehicle at nominal capacity, with all standard equipment and including batteries, fluids and lubricants. Cut-Off Switch A handle bar-mounted switch that turns off the engine. Also called a kill switch.
Cuts A denim jacket which has had the sleeves cut off. All club patches are sown onto cuts, which are worn as the outer-most layer of clothing, even over leather jackets.
Most, if not all, outlaw clubs have cuts as their basic uniform. Cycle The up and down motion of the piston. The terms cycle and stroke are used interchangeably when referring to engine types.
Cylinder Block The hunk of aluminum which holes bored through it, inside which the pistons move up and down. Cylinder Head The engine piece that closes off the top end of a cylinder. Cylinder Sleeve Liner for a cylinder. Cylinder s 1. Parallel sided circular or oval cavity usually housing a piston. The hollow shafts in the top end of an engine inside which internal cimbustion occurs. Dammits Those devices on the back of your pins that you will almost always drop.
Can be used synonymously with Jesus-clips Dampen The act of eliminating, or device used to eliminate damp , unwanted oscillations vibrations and unwanted energy. Damper Device for controlling unwanted movement or absorbing unwanted energy. Weighted bar ends, bar snake, buckshot, gel handgrips are items used to dampen handlebars.
Day-Long A custom motorcycle seat made by Bill Russell. DC Direct Current. Death Grip Usually how a first time rider grabs the handle bars.
Decreasing Radius Corner A turn where the arc gets sharper as you progress through the curve. Decreasing Radius Curve A curve that gets tighter as you progress through.
Sometimes found on cloverleaf-style exit ramps, these turns are particularly dangerous for motorcyclists. Deflector Piston Piston designed for two stroke engines to channel fresh fuel up to the head forcing burnt fuel out the exhaust posts.
Delta-V A change in velocity, acceleration or direction. Denier a unit of measurement used to describe the strength of a material like nylon. Simply the bigger the number the bigger the thread. Desmodronic Ducati designed valve opening and closing system that does not rely on springs. Design offers better high RPM valve control. Desmodromic valves are closed by a cam and rocker arm rather than a valve spring. Advantages include less friction, higher valve acceleration and deceleration without the risk of valve float and higher engine speeds for a given valve size.
Disadvantages include greater complexity of the valve train and the need for more frequent adjustment intervals. All Ducati motorcycles still use desmodromic valves today. Detailing In-depth cleaning, polishing, waxing and other maintenance to make a motorcycle look great. Detonation See Pre-Ignition. Diamond Frame Tubular frame design derived from the bicycle layout. The engine cases often form part of the structure.
In profile it resembles a diamond shape. Dicing 1. Taking the risk of racing one or more riders, usually on public roads. Riding a motorcycle in dense traffic. Dieseling Ignition in a gasoline engine of the fuel vapor by means other than spark plug. Also called per-ignition or run-on. Digger A motorcycle with a stretched lengthened frame and stock-length front forks. Dip stick 1 The long slender piece of plastic or metal that goes into the oil reservoir of an engine or sump and is used to manually check the oil level.
Dirt Bike An off-road bike; not street legal. Displacement 1. The size of an engine, in cubic centimeters cc or cubic inches ci. The volume through which the piston travels during a single stroke of an engine.
This term is sometimes also used for the total volume displaced by all engine pistons. The displacement is measured in cubic centimeters ccm. Distributor An electrical circuit breaker often consisting of points, timing advance device, condenser and cam used to direct high tension current to spark plugs at the proper timing. Often replace with electronic ignition. Dive The tendency for the front suspension to compress under hard breaking due to the effects of inertia. Two camshafts found in the head or top of the engine that open and close the valves.
Two cams allow more precise control than one. Also can be used as a fasion statement. Each country has its own separate DOT. Triple jumps are the signature obstacle of Supercross, requiring cool nerves and precise throttle control. Drag The resistance of the air to forward motion. A flat disc moving broadside along its axis has a nominal rating of 1.
Low, flat, straight handlebars. Drag Pipes Short, straight exhaust pipes typically seen on Cruisers Dragging Pegs Leaning so far into a curve that the foot pegs drag on the road surface. Not a good idea and definitely not done on purpose.
Dresser A large motorcycle complete with a full touring package fairing, windshield, saddle bags, and a comfortable seat. Drop Seat A frame style in which the seat-rest has a lowering notch within the frame.
Dry race A race in which climatic conditions affecting the track surface are considered to be dry, opposed to wet. Dry Sump Lubrication system in four-stoke engines in which the oil is carried in a separate container. The UK government body which, among other things, controls the content of the British bike test.
Dual plugging Adding a second spark plug to the head of a motorcycle engine. Increases fuel efficiency and horsepower. Dual Sport 1. A dual purpose motorcycle, made for both on and off the road travel. See Dual Purpose Bike. Street legal motorcycles with varying degrees of off-road capabilities.
Duals 2 separate Exhaust pipes, ie one each for front and rear cylinder. Duck Slang for a Ducati motorcycle. Duck Walking Sitting on your motorcycle, and pushing it with your feet, usually done when parking your bike, or moving forwards a few feet like at a gas station.
Dump the cltuch Drop the clutch A rider quickly releases the clutch while the revs are high. Dumping the Bike When a bike falls over. Not a crash, as the bike is not under power at the time of the dump. Dynamite Slang for instantly applying a system to full force. I dynamited by brakes. Dynamo Electric generator that produces alternating current. Dynatec Fabric made of Dynafil.
Highly tear-resistant and extremely robust. Earned Refers to patches. This movie defined the road film genre, even though it was not the first of its kind. Also called metal shafts. If possible always try to approch these hazards as stright on non-parallel as possible. Eighty Six 86 If someone is 86 they are cut off. For example If you are 86 from alcohol in public places they are not allowed to drink in public.
Some are 86 from club functions. Electric governor A device that electronically regulates the amount of fuel injected by a fuel injection pump. Electrolyte Battery Acid. Electronic Ignition Computer controlled method to convey high tension current to the spark plug s.
Emissions Substances introduced into the environment from, among other sources, vehicles. Vehicle emissions include carbon dioxide, methane, nitrogen oxides, ozone, chlorofluorocarbons, hydrofluorocarbons and perfluorocarbons. End-can See Can. Endo Abruptly stopping a motorcycle so that inertia lifts the back end off the surface. Sometimes this is done on purpose as a stunt, also known as a Stoppie. Engine cut off switch Kill Switch Usually located on the right handlebar switch housing, this switch allows the motorcyclist to turn off the engine without removing his or her hand from the handlebar.
They are not designed to offer the rider or passenger any protection in the event of an accident. Engine output The ratio of the effective work of the engine in relation to the energy expended in producing it.
Ergonomics The science used to design devices, systems and physical conditions that conform to the human body. A prime consideration when designing a motorcycle. Ethanol A colourless, volatile, flammable liquid formed by fermentation. This renewable fuel can be produced from waste products such as wheat straw, cornhusks, wood chips and switch grass. When Harley-Davidson began using aluminum to build its cylinder jugs, it called this new engine the Evolution.
Excessive 11 Xcess 11 SX, a cc 4 cylinder street bike. Exhaust System Pipes Exhaust Wrap Insulated cloth wrapped around exhaust pipes to retain heat and give an old-school look. Also known as heat wrap, pipe wrap, and exhaust tape. Expanding brake Device operated by a handle or pedal to slow down or stop the bike.
A cylinder is attached to the relevant wheel. Inside there are two so-called brake shoes, which are pushed outwards against the inner walls of the cylinder, thus slowing the bike down. Expansion ratio The ratio of the volume inside the cylinder after the power expansion stroke to the volume of the cylinder at top dead center TDC Expansion stroke or Power stroke The movement of the piston after the fuel-air mixture has been ignited.
It is the stroke where work is done on the piston from the heat of combustion, converting the heat energy into mechanical energy. Extra Urban MPG The miles per gallon achieved on non-urban routes, as tested by the manufacturer using a warmed engine. F Motorcycle designation suffix Four-stroke engine eg. False Neutral When you fail to engage gears and the transmission behaves as though it was in neutral even though it is not. One or two farkles are ok flags, stuffed pigs, etc.
Farklectomy The purchasing of a brand new motorcycle with the opportunity to add many more accessories. Bending a piece of metal over and over again will eventually break it Feathering the brake Gently applying the brake. This makes for a slow smooth start.
Fighter See Streetfighter. Filtering Avoid traffic jams by riding between the lines of bumper-to-bumper vehicles queues. Also known as lane splitting. See also Combat Filtering. International governing body of motorcycle sport. Final Drive Mechanism that delivers power to the rear wheel, usually chain drive, shaft drive or belt drive. Fins Heat sumps on air cooled engines. Fishtail Rear wheel swinging from side to side caused by increased rolling resistance of the rear tire often caused by over braking, flat tire, frozen drive train or a road hazard like mud, gravel, sand, snow or ice.
Flame and Crook Fire and Theft insurance. Flashover Generally an unwanted electrical discharge through the air to the ground. Flat Head Horizontally opposed four- or six -cylinder engines. Flat Spot The point at which no additional power is gained from increased RPMs Flathead Early head design where the valves resided in the block so the head only covered the block and held the spark plug. Also called L-Head or side-valve. Flickable 1. Unstable; taking very little effort to move between an upright position and a lean.
The more flickable a motorcycle is, the faster it can turn. Flogging it Getting on the throttle hard and shifting through the gears. Flower Pot A cheap helmet non snell-approved head protection device. Rotating weight used to damp engine vibration or to improve smooth operation of the engine between power strokes.
A heavy metal wheel that is attached to the crankshaft and rotates with it to help smooth out the power surges from the engine power stroke. Foot Skids A riders boots that are extended to the ground while the bike is in motion. Footprint Contact patch of the tire with the road surface. Fork Bag A small pouch attached to forks sometimes handlebars or frame and used to carry tools and supplies. Forks The sprung metal tubs holding the front wheel to the rest of the motorcycle using the triple-tree.
Formation Ride A motorcycle road event in which participants maintain their relative position in a group while riding down the road. Four An engine configuration comprising of 4 cylinders. Four Banger An in-line four cylinder motorcycle or automotive engine, these are among the most powerful motors on a motorcycle. Also referred to as an in-line four. Four Stroke Engine with the common induction, compression, power, exhaust stroke sequence. Designed by Dr. Nicolas Otto in Freightliner A big truck.
Friction Zone The part of the clutch lever travel from where the clutch just starts to engage until it is fully engaged. Riders use the friction zone to get the bike in motion. See also Slip the Clutch. Frisco Pegs Railroad spike highway pegs Frisco Style When a fuel tank is mounted on top of the frame rather than having the frame sunk into the underside of the tank. Front Door Leader of a group ride Front end The whole front part of a motorcycle, comprised of all the parts of the motorcycle forward of the yoke of the frame.
Unlike a storage battery, however, the fuel cell continues to produce electricity as long as fuel is added. Fuel cells generally use hydrogen as the fuel and oxygen as the oxidant. Fuel consumption The amount of fuel needed to cover a specific distance e. Fuel economy The average amount of fuel used by a vehicle to travel a specific distance e.
Fuel Injection Replaces carburetors. Uses small nozzles, called injectors, supplied fuel by an injector pump, to inject fuel into the intake manifold. Serves the same function as a carburetor, but uses computer-controlled jets to inject atomized fuel and air into the air stream going into the engine. Fuel Injection System This mixes the fuel air charges and forcibly injects them into the combustion chambers, unlinke carburetors, which rely on the vacuum created by the engine to draw the charges into the combustion chambers.
Fuel Management System Carburetor Fuel-air mixture The mixture of fuel and air found in the combustion chamber, for compression and ignition. When the piston reaches top dead centre, the fuel-air mixture has been compressed to the smallest volume, is the most unstable, and is ready to be ignited.
Full Chat Riding at top speed for the riders skill level and road conditions. Full system A complete set of after-market exhaust comprising of headers, mufflers and pipes. GAG IT a full roll-on in high gear from about mph emphasizes low rpm torque. Garbage Wagon 1. A stock motorcycle with standard parts intact, very heavily loaded with saddle bags, chrome and accessories.
A scornful term used by some outlaw bikers to describe touring bikes. Gas cap The cover for the fuel inlet on a tank. Gas Surprise Running out of gas and moving to switch to reserve and finding to your horror that you forgot to switch back to fuel last time you filled up and just blew your reserve.
Gasodometer Resetting your trip odometer when you fill up to act as a gas gauge replacement. Gears control the number of revolutions per minute and hence the force. Gear ratio A gearbox contains several toothed wheels that are connected and disconnected to each other in order to switch into the intended gear.
The gear ratio is the ratio between the number of teeth of the two wheels that are connected at a given time. If one wheel has 25 teeth and the attached one has 50, there is a 2 -1 ratio. Gearbox Transmission casing. Gearhead Someone who is very interested and passionate about mechanical objects, like cars and motorcycles. Keep an eye out or be careful is a common translation. Believe it or not it did not originate with bikers but with free fall jump school during Navy Seal Training.
You see in free fall you MUST arch your back and keep your headup. Goose Slang for a Moto Guzzi motorcycle Gooseneck The stretched portion of the frame just behind the neck, originally used by home-builders to stretch the length of the frame without altering its geometry. Goosing it Canadian. Gore-Tex 1. Thin, lightweight membrane mounted between the face fabric and the lining.
It is Waterproof, Windproof and Breathable. This membrane has nine billion microscopic pores per square inch. These pores are much smaller than a droplet of liquid water, but much larger than a molecule of water vapor. Water in a liquid form cannot penetrate the membrane, but both moisture vapor from perspiration and heat can easily escape.
The membrane works when the outside temperature is colder than your body temperature. The membrane actually sucks the heat out of the apparel as long as the outside temperature is lower than 98F.
Innumerable microscopic pores prevent the penetration of large water droplets while allowing the much smaller water vapour molecules to pass through. The branch-like structure of the membrane means that it is also completely wind proof.
GPS Global Positioning System A satellite oriented system, including computers and receivers, which allows the determination of a very precise location latitude, longitude and height of an object. The GPS unit allows the calculation of speed and direction of travel by communitcating with satellites to track movement.
An increased number of touring motorcycles such as the Honda Goldwing are being manufactured with a GPS navigation system built-in, and add-on GPS units are available for any other motorcycle.
The units provide colour graphic screen presentations of street maps as well as both planned and actual travel itineraries. Some will announce turns that are to be made in order to follow a planned itinerary. Grabbing a Handful Applying Brakes or twisting the throttle in excess. Green Light Triggers are magnets that attach to the underside of a motorcycle designed to trigger the light to change. Green track A new track with little or no rubber laid down which can be slippery.
Greenpeace The cage in front of you covered with environmentalist stickers and spewing black smoke into your face. Gremlin Blamed for all sorts of mechanical problems. Typically referred to in the context of Gremlin Bells, which are said to protect against Gremlins. Grid A pattern marking the starting points on the track. Gross vehicle weight rating GVWR The maximum allowable total weight of the vehicle that may not be exceeded, as designated by the manufacturer.
It is a combination of curb weight plus payload including driver and fuel. Ground The earth pole of a battery, usually negative on most motorcycles. Ground clearance The distance between the ground and the lowest part of the motorcycle apart from the wheels. GVW Gross Vehicle Weight Gypsy Tour A motorcycle road event, usually several days in duration, in which the participants travel through the countryside and stop at a different destination each night. The implication is that you are traveling without time or distance constraints.
Gyroscopic Inertia Gyroscopic inertia, also known as centrifugal inertia. The spinning top is stable when it spins fast, and becomes less stable starts to wobble as it slows down, as the centrifugal or gyroscopic inertia becomes less. The same physics applies to motorcycles, inceasing stability at higher speeds at their wheels spin. Hack A sidecar. Turn that gets progressively tighter as it bends often U-shaped corner.
Hammer Down Accelerate very quickly. Hand Signals Beyond the left-turn, right-turn that you were taught when riding a bicycle; can be used to communicate formation, hazards, travel routes, etc. Handgrip The rubber grip on the handlebars to make a more comfortable hand control. Handlebar risers See also Risers Designed to correct the ergonomic short comings of your motorcycle, handlebar risers will raise your handlebars vertically to allow you to attain the posture needed for maximum control.
Risers can simply extend the bar mounts toward you, or extend up and forward. Risers are designed to be mounted between your stock bar mount and triple clamp. Hanging it Out 1. Riding aggressively, increasing the possibility of injury 2.
Continuing to ride when weather and traffic conditions are not safe. Hard Core Dedicated biker usually clubber but sometimes refers to a racer Hard Tail A rigid motorcycle frame with no shock absorbing device on the rear.
Hardbelly Young girl with a tight flat belly Hardley also see Hardly Ableson , as in a slang name for a Harley in the sense that the speaker thinks of them as nothing more than an over-glorified chromey showoff piece rather than a real bike. The result of seven years of development, the Evolution engine produced more power at every speed.
It also ran cooler, cleaner and oil tight. To date, over 1,, Evolution engines have been built. The engine proves to be so reliable that variations of it are available on Harley-Davidson motorcycles as late as Sportster engine.
The Flathead proves to be so reliable that variations of it are available on Harley-Davidson motorcycles until The Panhead boasted aluminum heads and hydraulic valve lifters.
H-D Revolution Engine to Present The injection of contemporary technology such as liquid-cooling, dual overhead cams and downdraft intake are bold new steps for Harley-Davidson.
The new engine boasted a displacement of 88 cubic inches, or cc, making it the largest displacement engine Harley-Davidson had ever offered. The Twin Cam 88B carries over many key components and is built on the same assembly line. In fact, above the cylinder-base gasket, the two 88s are nearly identical. Below the base basket, however, the Twin Cam 88B features twin counter rotating balancers to fully cancel primary engine vibartion. The balancers, tightly packaged within the engine, dramatically improve the ride-ability of the rigid-mount Sotail models.
The counter-balanced Twin Cam 88B allows for long disance riding comfot for Softail owners. It retains the look, sound and feel that has always been part of the Big Twin character. The Twin Cam 96B is designed to be rigid-mounted in Harley-Davidson Softail models, and is equipped with internal counter-balance shafts to provide a smooth and powerful ride.
Head Also called cylinder head. This piece covers the top of the cylinder and often houses valves, rockers and overhead cams. Head Gasket Gasket between the cylinder head and the block or piston cylinder. Head shake When the handlebars shake back and forth due to improper set-up or bumps.
Headers The section of an exhaust system which attaches to the engine head. Headlight Modulator This device attaches to the headlight bulb inside the case and pulses the high beam quickly. The visual effect is the headlight is flashing. Heat The police, Law enforcement officer, also known as The Man. Heat Race A qualifying race that determines which riders will advance to the final race. Heat Sink A device to channel heat away from a heat source. Heel-Toe Shifter gear-selector lever that allows the rider to push down on the rear portion of the lever rather than pulling up on the front.
Helical gear A gear with a spiral or semi-spiral meshing face. It will be partially matted and partially sticking out at odd angles. Helmet Stickers biker equivalent to bumper stickers except 1.
Helmet-Jinx The bad luck a biker who chooses not to wear a helmet gets when someone mentions that he should wear a helmet. High Side accident in which the motorcyclist goes over the motorcycle and then sometimes the motorcycle goes over the motorcyclist you get the picture. Opposite of a low side. High Siding 1. Wrecking a bike by flipping it over. Usually caused by releasing the rear break during a skid. Pitching a bike over and away from the direction you are turning.
The dangerious kind of crash. When a sliding rear tire suddenly regains traction while the motorcycle is leaned over, causing the motorcycle to violently snap from leaning side tot he other side the high side. Highsider Being ejected from your motorcycle while riding, above the motorcycle.
Highway Bars bars that connect to and extend away from the frame in a semi-circular arch. Highway bars allow for leg stretching room on longer rides, offer convenient mounting points for auxiliary lighting and they can offer some protection during a dump. Highway Pegs Foot pegs mounted to highway bars that allow the rider to stretch his or her legs further forward for a more relaxed riding position.
Hit the road Get on the bike and start riding. HOG Harley Owners Group, also a nickname for a Harley-Davidson mororcycle Hogwagen A custom-built trike in which a Harley-Davidson front end and frame is grafted to a Volkswagen drivetrain subframe, engine and transaxle.
Holeshot In racing, the drive from a standing start up to racing speed. They ride to have fun, regardless of the consequences. Hooligan Bike Type of motorcycle has been stripped of all unnecessary parts and accessories so that they can have a higher power-to-weight ratio. They have minimal bodywork, a racing-styled seat that typically only seats one person, no passenger pegs, an exposed frame, etc.
Hoon Term for a rider that is riding hard and spiritedly. Hoops Tires. Horizontally Opposed engine configuration in which cylinders are set degrees apart. Horsepower 1. The power of the motorcycle engine. The higher, the better. Although with an engine tuned for power, it might be at the expense of power at low RPM. Horsepower is a unit of engine power equal to 0, kilowatt kW. Originally developed by James Watt to compare the power of steam engines to the work done by a horse.
One horse power is the force necessary to lift pounds one foot in one second. A measure of an engines strength. Husky Husqvarna motorcycle. Hybrid electric vehicle HEV A hybrid electric vehicle integrates an internal combustion engine, an electric motor, a generator and a battery pack.
The arrangement and integration of these components can be varied to maximize performance and efficiency and reduce emission levels. Hydrocarbons An organic compound comprising only hydrogen and carbon. For example, petroleum is a mixture of many different hydrocarbons.
Hydrocarbons and in particular methane, contribute to global warming. Hydrometer Device to measure the charge in a lead acid battery. Hydrophobic treatment A treatment which renders leather water-repellent. BMW uses the vat immersion technique under application of topquality 3M Scotchguard as the active agent. The best results are obtained when the leather fibres are encapsulated without affecting the natural state of the pore structure, so as to maintain the active breathing action.
Hydroplane 1. When your tires start to float on top of water, causing them to lose contact with the road surface. A highly dangerous situation in which the tires lose contact with the road surface and actually life on top of a shallow film of water.
Hype-sucker Anyone who buys into the Harley Hype Hypoid Gears Paired beveled gears with spirally or nonradially cut teeth mated to that the pinion does not intersect the axis of the gear used in transmission and final drives. Identification Numbers Factory stamped frame and engine numbers used to identify the motorcycle.
Idiot Light s Control panel indicator light s that warns of a problem situation. Commonly called an idiot light because it neither warns you before the problem develops, nor tells you want the problem is after the bike is disabled. This is normally achieved by a spark from a sparkplug. Ignition timing Point at which, relative to crankshaft rotation or piston position, the ignition spark occurs.
Impeller Device that assists the movement of fluid. Increasing Radius Corner A turn where the arc becomes less sharp as you go through the curve. Independent A biker with no club affiliation. Indian An old American motorcycle manufacturer. Ink A tattoo. Ink Slinger A tattoo artist. An inline four cylinder motorcycle or automotive engine, these are among the most powerful motors on a motorcycle. An engine with four cylinders in a row.
Inline Four An engine configuration in which all four cylinders are aligned in a row. Inline Six An engine configuration in which all six cylinders are aligned in a row. Inline Six An engine with six cylinders in a row. Inline Triple An engine configuration in which all three cylinders are aligned in a row.
Inline Triple An engine with three cylinders in a row. Internal combustion engine ICE A heat engine in which the pressure necessary to produce motion of the vehicle results from the ignition or burning of a fuel-air mixture within the engine cylinder.
Iron Butt An association that promotes and holds rallies aimed at travelling very long distances. The shortest distance, the Saddle Sore, is 1, miles in 24 hours, the longest, the Bun Burner Gold is 1, miles in one day. The Iron Butt Rally is 10 days riding 1, miles each day. The Iron Butt Gold Is 10 days x miles each day consecutive.
The challenge for this award is run every other year. Ironside Towards the top of the bike, or top area of a part or component Jack up When a club member sets a non club member straight. Jap-Scrap Insult to Japanese motorcycles or foreign made bikes.
Jet Precisely drilled opening in the carburetor through which fuel passes into the air stream. More generally, any hold used to control the passage of gas or fluid. Jet helmet A motorcycle helmet with no chin guard or visor. Jet needle This is a carb part that meters the fuel going through a jet, or hole. Instead, a short, about four to six inch, lever was fitted directly to the top of the transmission and shifted by the rider directly, by reaching under his left thigh.
This made neutral rather easy to find and, in the hands of an expert, faster to shift than the stock foot clutch, hand shift mechanism. Jockey wheel A wheel used to maintain tension in a chain or belt. Jugs Cylinders. Jukebox Any overdressed bike Jump start 1. When the battery is too low to start the engine, one can jump start it from a good battery. To temporarily boost the energy of a battery by connecting it to another working battery with jumper cables to assist in the starting of the engine.
Kangaroo leather Finer, more closely interwoven fibres and a tighter structure make this leather even more durable than cowhide. Used to reinforce those areas which are most at risk in the event of a fall elbows, shoulders, knees, thumbs, etc. A para-aramide fibre, which is five times stronger than steel at the same weight. Keystone frame An American term to describe a diamond-type frame in which the engine serves as part of the structure.
Kick start Before motorcycles had electric starters, they all used kick starters. A lever that one would kick to turn the engine. Kicker A motorcycle with no electric starter that must be manually kick-started. Kicking Tires Slang term for standing around motorcycles and talking about them. Kickstand An arm attached to a motorcycle that swings out from the left side to support the bike at rest. Also called a Sidestand. Kilowatt A unit of power equal to watt.
A kW is equal to one kilojoule per second.
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