American Bikers Against Totalitarian Enactments
Ridiculous motorcycle handlebars that stick waaaayy up and back, requiring the rider to assume a very ape-like riding position.
The apex is the middle or sharpest point of a curve.
Helmets - has been inspected and approved by Department Of Transportation
Short for American Society for Testing and Materials.
The main upper rail of a frame.
Where you ride often.
A device to reduce the amount of noise produced by a drag pipe.
A trademark used for any of a group of synthetic resins and plastics found in a variety of manufactured articles.
A high-strength, puncture and tear resistant, high denier nylon. Originally engineered for military flak jackets, it is now often used on impact surfaces of protective motorcycle garments and luggage.
Wide intake seals, not O-ring.
A hollow bolt that used in conjunction with a banjo fitting passes fluid through.
Short for Bottom Dead Center.
A windshield that has a 1/4 inch wide thicker area around the outside edge for reinforcement. This is referred to as a bead.
An external belt which transfers power to the rear wheel via a small pulley exiting the transmission housing and a large pulley mounted to the rear wheel. Belt drive has the advantage of being moderate in weight, fairly efficient compared to other drive methods and very quiet. In recent years they have become very low maintenance items.
A pair of gears with faces cut at an angle of 45°, allowing drive to be turned through 90°.
The rim which encompasses and fastens a lens or other object, as the crystal of a watch, in the cavity in which it is set.
Any FL or FX.
Big Twin Motor:
Big twin motors are the larger displacment engines produced without the attached transmission (like the Sportster engine has).
Large hairy male, known to ride harley's day or night, winter or summer, rain or shine...frequents bars...especially titty bars ..many belong to MC clubs. Usually takes no shit. Offend at your risk.
A girl, woman, et cetera who rides motorcycles of any brand or origin. She is not afraid to take control of her destiny, or to take risks.She is gifted with a strong desire for adventure and fun, and finds both atop a bike. Biker Girls are not the property of anyone but themselves, and will not be intimidated by social mandates of what girls/ladies/women should and should not do.
A solid piece of metal produced by taking an ingot and forging it to a smaller diameter. The forging process involves heating the ingot to a precisely controlled high temperature and reducing its diameter on a large forging press. The metallurgical structure of a billet is such that the product exhibits high strength and toughness. Custom motorcycle parts are often machined from these solid blocks of metal.
brake lever,clutch lever
No idea. You use it in Product #60-263 but would like to know what it means? The Bondo-Rim you weld in the bung and then fill with Bondo filler.
Salvage yard for used bikes and parts.
The measurement of a cylinders diameter.
Bottom Dead Center:
The point during crankshaft rotation at which the piston is in its lowest possible position.
Short for Big Twin.
Short for Before Top Dead Center.
An eccentrically shaped rotor that converts rotational movement into linear movement. Cams are used in the operation of valves, contact breaker points, and drum brakes.
A shaft indirectly driven by the crank of the engine which actuates the valves using offset cam lobes which open valves for a fraction of a revolution every second revolution of the crankshaft. Each lobe is designed to open a valve for a specific amount and duration.
A part of the motorcycle that combines the gas and air into the right mixture for combustion. Not much fun to take apart or clean. Must be synchronized regularly for optimal performance.
Concerned Bikers Association
Helmets - has been inspected and certified by Department Of Transportation
An external chain which transfers power to the rear wheel via a small sprocket exiting the transmission housing called the engine sprocket (gear) and a large sprocket mounted to the rear wheel called the Rear (or Rear Wheel) Sprocket. Chain drive has the advantage of being very light and efficient compared to other drive methods (such as shaft,) at the expense of increased maintenance and noise. Requires lubrication at regular intervals.
A chain lubrication product that reportedly lasts longer than most others. Requires a hot chain for application, and then one must let it set up for 15 minutes before riding; otherwise, it is flung uselessly off the chain and onto the wheel.
A motorcycle, especially one that is customized. Typically refers to a motorcycle that only has the essential parts.
A metal comprised of different alloys designed for light weight and strength.
Chrome, Leather, Accessories, Performance
A device used to lift bikes up to service them.
A motorcycle built to resemble and function like a Harley-Davidson motorcycle without actually being a Harley-Davidson motorcycle.
Christian Motorcycle Association
A wound spiral of two or more turns of insulated wire, used to introduce inductance into a circuit.
Motorcycle club back patch.
A measurement of the difference between cylinder volume at top dead center and bottom dead center.
Turning the bikes handlebars in one direction and having it go in the opposite direction.
A hole with the top part enlarged so that the head of a screw or bolt will lie flush with or below the surface.
A pipe in an exhaust system that connects the front and rear pipe.
Keihin CV carburetors.
Means of controlling speed of movement of the steering or suspension.
Do I Look Like I Give A F**k
81' and later handlebars have an indentation near the switch housings to allow the control wiring to pass through without getting pinched. This is commonly referred to as a "Dimple".
Department Of Transportation
The most common type of brake fluid.
Similar to DOT 3 with a higher boiling point. Required by many high performance bikes.
Low, flat, straight handlebars.
A braking system that utilizes 2 calipers and rotors.
A family of chassis produced by the Motor Company that is distinguished by two point rubber mounts. An FXD.
Dyna Glide Model:
A model of motorcycle distinguished by its 2 point rubber mounted engine.
Dyna Super Glide:
What initials do you use? - FXD
Short for Early.
Refers to the exhaust styles used on bikes from the late 1950’s - the early 1970’s.
Kuryakyn has two versions of its Hypercharger, one for pre-1991 Big Twins and pre-1987 Sportsters, and one for 1993-up Big Twins and 1988-up Sportsters. The bolt patterns to bolt these to each generation carb is different. The Hyperchargers designated early inlet are for the earlier bikes. Those designated late inlet are for late model bikes.
Commonly referring to the eighth and first letters of the alphabet,
An ignition system that does not use points.
Harley engine introduced in 1984. Aluminum cylinders and newly designed aluminum heads decreased oil leakage. Side-squish combustion chambers and flat pistons. A new lower end designed for electronic ignition for better spark control. All these changes came about because of higher emission standards enacted by big brother.
Exhaust Header Pipe:
The first section of pipe in an exhaust system.
The clear plastic portion of the helmet that covers a riders face. Sometimes tinted to help avoid sun glare. In a full face helmet, it can be flipped up and out of the way. Many open face helmets do not have face shields, but some do have them as an option. Keeps bugs out of ones teeth, protects from wind, rain, etc. Bug magnet.
An enclosure on the front of the bike containing the windshield and affording wind protection to the rider. Can be attached to the frame and not move or be attached to the fork and move as the handlebars are turned.
A metal ring or cap placed around a pole or shaft for reinforcement or to prevent splitting.
Essentially, what fits what.
Generic patches usually sold at swap meets and shops.
Refers to Harley engines manufactured from 1930-1948 in which they moved the valves to opposite sides of the combustion chamber for more power which was needed in the heavier motorcycles.
Flatside Gas Tanks:
Fuel tank shape used on 1984-up motorcycles.
The letter designation for early dresser models 1952 to 1984.
The letter designation for Electra Glide Standard.
Lighter than fuel flotation devices located within the float bowl of a carburetor. Their purpose is to maintain a reservoir of fuel at a specific level. Similar to the device used to stop the filling of a toilet tank. Care must be taken when cleaning a carburetor to not bend the tabs on the floats which manipulate the float valve or the fuel level within the carburetor may be too high or too low for optimum performance.
The bottom cup-shaped part of a carburetor. It holds a small reservoir of fuel at a precise level within a carburetor.
A pintle valve (a thin cylinder with a V-shaped tip nestled in a mated V-shaped orifice) which is manipulated by the floats. As the fuel level reaches a fixed height within the float bowl the valve (via leverage from the floats) will restrict and then cut off the flow of fuel into the carburetor.
The letter designation for a Heratage Softail.
The letter designation for a Fatboy.
The letter designation for a Heritage Springer.
The letter designation for Rubber Mount Dresser.
A rotating weight affixed to the crankshaft. It "stores" sufficient kinetic energy to provide energy for the exhaust stroke on four stroke engines and the compression stroke on all reciprocating engines. A light flywheel allows the engine to rev more quickly at the expense of a slower idle and perceived smoothness. On many bikes the flywheel is incorporated as an integral part of the crankshaft often as part of the webbing.
Fork Damper Tube:
An internal part in a fork leg that has the metering orifices to control the amount of compression & rebound in a front fork.
Fluid in the forks surrounding the fork springs that dampen the bumps, available in different viscosities.
Small seals/gaskets that keep the fork oil inside the fork, and dust and dirt outside the fork, but allow movement of the forks over bumps.
The lower fork leg assembly that slides up and down on a fork tube.
Front pegs, shifter and rear brake control moved further forward to stretch your legs out.
See Neck Cups.
Front Down Tubes:
The tubes on a frame from the steering head to the front motor mount.
A small lever, switch or other device that allows the rider to switch from the main fuel tank to the reserve tank.
The letter designation for a Springer Softail.
The ratio of the turning speeds of a driving and driven gear or the cumulative ratios for a series of gears.
A shiny black color.
Inexperienced motorcycle rider/owner.
Hot young babe.
A motorcycle frame with no rear suspension.
Harley Owner's Group
The place you insert your key to turn on your motorcycle.
Someone who is not a part of any club or group, but is normally a part of the biker culture.
Inlet Over Exhaust. Valve layout used on some early machines in which the exhaust valve was mounted to the side of the engine and the mechanically operated inlet valve was positioned above the exhaust.
Every carb in the world has metering orifices (set diameter holes) to allow fuel to pass through. To make carbs adjustable the manufacturers make these metering orifices changeable by threading them. These screw in things are called jets. When you get a carb there is specific JETTING in it. When you change the amount of air that goes through an engine you have to change the size of the jet to allow more fuel. The process of changing jets is commonly refered to as re-jetting.
Slang term for a cylinder.
Kirker is a manufacturer of high performance exhaust systems.
Harley engine introduced in 1936. Valves were moved to the top of the combustion chamber. 61 cubic inches. In 1937 Harley incorporated the first dry sump oil system. Then a 74 cubic inch engine in 1941. The knuckle received it's nick name by the appearance of the heads which look similar to the top of a hand.
One of a series of small ridges or grooves on the surface or edge of a metal object, such as a thumbscrew, to aid in gripping.
Decorative hardware for your bike of a bullet shape.
Short for Late.
Kuryakyn has two versions of its Hypercharger, one for pre-1991 Big Twins and pre-1987 Sportsters, and one for 199-up Big Twins and 1988-up Sportsters. The bolt paterns to bolt these to each generation carb is different. The Hyperchargers designated early inlet are for the earlier bikes. Those designated late inlet are for late model bike.
Riding between involuntarily parked, or slow moving cages on an overcrowded highway.
Law Enforcement Officer/Official
Long blocks are complete engines. Sold by a variety of manufacturers the most common come from S&S.
Harley's first few year models. Long fellows came equipped with a single cylinder motor until 1909.
A high-tension spark generator for the ignition system that does not require an external power source.
A branched collection of pipes for inlet or exhaust gases.
A duller, flat black color.
MC or MotorCycle club:
Group of bikers (see biker above) who will defend each other to the death if need be. New members have to be approved by all club members before being able to 'earn' a club patch.
Mid-Glide Front End:
The Mid-Glide front end is an after-market front end for the fellow that wants a bigger appearance for his Narrow Glide. It uses the existing fork tubes and sliders of a Narrow Glide and changes tripple trees to a wider distance than stock, but not as wide as a Wide Glide. Center to center distance is 8-7/8. These are usually sold as a conversion kit with spacers for the disc rotors, the proper axle to use with the tripple trees provided & whatever hardware to complete the job.
Motorcycle Riders Foundation
Motorcycle Safety Foundation
Silencing devices on an exhaust system.
A housing, usually for mounting instruments.
Narrow Glide Front End:
The Narrow Glide front end was used on the XL's, FXD's FXR's and the rest of the FX line (Except FXDWG, FXWG, FXST). This front end is avalable in 2 different fork tube diameters, 35 & 39 MM. Prior to 1987 is the smaller diameter. Width is 7 inches in the stock configuration.
Narrow Springer Front End:
The Narrow Springer is an after market front end. As the name sugests it has a Springer configuration in the narrow width. These do not bolt right on to the bike. Installing one of these will require someone with strong mechanical skills to install.
Devices that are pressed into the steering head of a frame that hold the front fork bearing races.
Bright lights under gas tank.
A synthetic rubber produced by polymerization of chloroprene and used in weather-resistant products, adhesives, shoe soles, sportswear, paints, and rocket fuels.
The company who built the bike and its parts, Original Equipment Manufacturer.
The term for a mount that moves a device to alignment from another alignment.
Short for overhead camshaft.
Short for overhead valve. Valves situated in the cylinder head above the combustion chamber. They are operated by pushrods controlled by a camshaft situated below the cylinder head.
Oil Pressure Gauge:
An oil pressure gauge keeps track of your motorcycle's most vital fluid - oil.
Term first used in the 60's to describe some of the people that attended motorcycle events then. The American Motorcycle Association stated that 99% of people at their events were god-fearing and family oriented. The other 1% were hard ring, hard partying, non-mainstram type people. Some of the early bikers embraced the term and decided to call themselves 1%ers. It didn't mean that they were law breakers or low life individuals. Simply meant they rode their bikes seven days a week in all kinds of weather, liked to drink and raise a little hell.
Harley engine introduced in 1948. Received it's nick name due to it's valve covers look of an upside down cake pan. Didn't change much from the knuckle's internals, but came equipped with aluminum heads for more power for the growing weight of the bikes. Modified the pans in 1955 by installing a quieter more efficient lower end. Pans were also the first v-twin to come with an electric starting system in 1965.
Rough, shiny finish - not chrome.
Member of a motorcycle club (patch holder).
Pushing a disabled motorcycle and rider with your motorcycle by placing your foot on the disabled bike's rear foot peg or axle. Not a move to be attempted by Greenhorns.
A petcock is a manually operated device inserted in the gas line that allows for an On, Off, and Reserve position for the gas supply. When the motorcycle starts to sputter, the rider turns the petcock to the Reserve position to gain access to additional gas while a gas station is sought. Some modern motorcycles have gas gauges and automatic gas shutoff systems making the manual petcock unnecessary.
The backseat on a motorcycle for its passenger. Also, a passenger is said to ride pillion.
A style of peg sold by Kuryakyn.
A small gear.
Pipe Mounting Bracket:
Holds muffler pipes.
Ignition point (breaker points).
Wannabe biker. Also referred to as a sidewalk commando. May, or may not own a bike.
The system of transferring power from the engine to the gearbox. Usually achieved by chain or gear.
The person who organizes and leads a run or event.
The distance a set of handlebars pull back out of a set of risers.
Rides on cam, operates overhead valves.
Push Rod Tube:
The cover the push rod is enclosed in.
What the ground does when in the sphere of influence of a V-twin with proper air-flow.
The angle of your front forks.
Usually an older bike that doesn't look like it's been taken care of at all.
The amount of resistance in a spring.
A component that converts alternating current into direct current.
1: Any of various mechanisms or devices for regulating or controlling fluid flow, pressure, temperature, etc., 2: An official responsible for control and supervision of a particular activity or area of public interest, 3: A control device that maintains a steady speed in a machine (as by controlling the supply of fuel).
Every carb in the world has metering orifices (set diameter holes) to allow fuel to pass through. To make carbs adjustable, the manufacturers make these metering orifices changeable by threading them. These screw in things are called jets. When you get a carb there is specific JETTING in it. When you change the amount of air that goes through an engine you have to change the size of the jet to allow more fuel. The process of changing jets is commonly refered to as Re-jetting.
Rigid Style Frame:
A frame with no suspension.
Devices designed to, oddly enough, raise the handlebars of a motorcycle to a more comfortable position for the rider. Can be pieces of metal inserted under the stock bars, or it can be a more complex & involved process.
Raw skin from motorcycle crash or wipeout.
Patch designating geographic location on three piece motorcycle club colors.
Centrally pivoted arm acting as a lever to open valves.
The enclosure the rocker arms are contained in on top of each cylinder of the Harley engine.
Provide protection in case bike falls over.
The assembled frame, wheels, and suspension of the bike.
Short for Rotations Per Minute. The number of 360 degree rotations which are completed in one minute. Usually refers to engine speed at the crankshaft.
Rich Urban Biker
A way that HD attaches engines into frames on certain model motorcycles. FXRs, Dyna Glides (FXD), and full dressed bikes (FLTs) are all rubber-mounted.
Stands for Sport/Touring which means the rubber compound is not as hard as a touring tire and not as sticky as a sport tire.
The seat of the motorcycle.
Seat Post Spring Set:
A set of springs for a seat post.
Shotgun Drag Pipes:
A set of drag pipes that the rear pipe comes out of the exhaust port and goes straight back.
Harley engine introduced in 1966. New heads which worked better with the upgraded lower end. Also came with hemispheric combustion chambers. It received it's nick name for it's look of a coal shovel.
Covers on the sides of different model motorcycles to improve appearance.
Valves positioned at the side of a cylinder.
An ignition system that fires each cylinder independently from each other. A stock Harley ignition fires both plugs at the same time (Dual fire).
Powdered metal that is pressed under high heat conditions to form it. Usually, used in the making of metallic brake pads.
A narrow bar shaped like an inverted U that is attached behind the seat of a motorcycle or bicycle and supports the operator or a passenger. Also a well known club in San Francisco's downtown district.
The lower fork leg assembly that slides up and down on a fork tube.
This is the man who invented the test for helmets.
A frame that has the appearance of the early rigid frames that has shocks hidden beneath the transmission to allow rear suspension.
A current-carrying coil of wire that acts like a magnet when a current passes through it.
Solo Style Seats:
Seats designed for a single rider.
Speed Scalloped Stitching:
A decorative stitching pattern applied to a seat.
A female passenger.
A front wheel hub that has no provisions for brake rotors.
Springer Front End:
The Springer front end is an attempt to capture a portion of the nostaglic market by fitting a mordern day version of the springer fork used on 1936-1948 Big Twins. Models that use this include the FXSTS, FLSTS & FXSTSB. This front end is easily identified by the "dual fork" look that has large coil springs at the front top of the fork (hence the name Springer). Width is similar to a Wide Glide front end in the stock configureation.
Any of various tooth-like projections arranged on a wheel rim to engage the links of a chain.
Squirrely young kid (inexperienced young rider).
An exhaust system with two pipes that the front pipe ends under the tranny, and the rear pipe ends at the back of the rear wheel.
Stainless Steel Lines:
Braided hydraulic fluid hoses used for brakes. They are often added to motorcycles for "looks", but also serve to improve braking feel since they are less prone to expansion under pressure.
Steering Head Race:
The race, or raceway is the ball or roller path; cut in the inner and outer ring in which the balls or rollers ride.
Additional material added to the front down tubes or backbone to change the apearance of the bike.
There are 2 ways to increase displacement in an engine. You can increase bore size or you can increase the length of the stroke. The definition of stroke is how far the piston travels up & down the cylinder. When we lengthen the stroke we have stroked the engine. An engine that has had the stroke changed is commonly refered to as a stroker.
Sold by motorcycle clubs to help finance their club operations. Will be smaller and a different design than the official club colors.
Suspension member pivoted at one end and supporting the wheel at the other. In most cases the swingarm is more accurately described as a pivoted fork, as the wheel is supported at both sides.
Short for Tachometer.
A piece of luggage that mounts on top of the gas tank of a bike. Sometimes contains a clear plastic top where route directions can be viewed by the rider without stopping.
Last rider in a group (drag bike)
Short for Twin Cam.
Short for Top Dead Center.
A trademark used for a waxy, opaque material, polytetrafluoroethylene, employed as a coating on cooking utensils and in industrial applications to prevent sticking.
Three Piece Patch:
Top piece is usually the neame of the club, middle piece is the symbol of the clob, bottom piece is the territory rocker that describes where the club is located. Sometimes includes a 4th piece ("MC") that sits to the right of the club symbol.
Worn by "1%er" bikers. Can have several meanings. Most commonly held meaning is that it stands for the thirteenth letter of the alphabet "M" which stands for Marijuana or Meth. Also known to stand for the original or "Mother" chapter of a club.
Manual device fitted to the throttle of a motorcycle that applies friction to keep the throttle from moving. Used to temporarily give your hand a rest on long rides.
Place where bikers go to watch women make a spectacle of their bodies for the pleasure (and or $$) of those watching.
example and definition; 180/55-18 = 180mm wide, 55% as tall as wide, 18 inch rim. Or where the rubber meets the road.
Top Dead Center:
The point at which the piston is at its closest position to the head. Generally of most concern on the compression stroke.
A torque arm is an aluminum brace that installs between the engine and transmission of Harley-Davidson Evolution Big Twins.
Touring Style Seats:
Seats designed for larger touring bikes.
Trail is what determines the handling of the motorcycle.
A bike that travels more miles on the trailer than on the pavement (see "whore")
Short for Transmission.
Three wheeled vehical often built and ridden by disabled bikers.
This particular reference is a chrome do-dad to decorate the FLT style headlight nacille.
The section of the bike to which the handlebars and forks are attached two evenly spaced legs extend down and a center leg protrudes upward through the steering head and bearings. The top of the center leg is threaded to allow adjustment of the tightness of the steering head bearings.
The direction of slope whenever you find it necessary to push your motorcycle.
Vacuum Operated Electric Switch - How HD retards the ignition under heavy load.
A popular twin cylinder engine configuration which allows the design of a narrow bike. It gets its name from the V-shape the cylinders from with respect to the crankcase. Usually the V is from 40+ to 90 degrees. 90 degree Vs are inherently well balanced meaning they vibrate far less than other v angles or parallel Twins.
One who talks and looks like a biker, but in fact does not own one or ride one.
We Haul Our Rides Everywhere
Wide Glide Conversion Front End:
The Wide Glide Conversion is an after market front end that is simmiler to the Mid-Glide front end only it moves those Narrow Glide fork tubes to the wide glide width. This type of conversion is very popular for the Sportster rider looking to make his bike look like a Big Twin.
Wide Glide Front End:
The Wide Glide front end was used on FXST's, FXDWG's, FXSTC, FXSTB, FLSTC, FLSTF, FLSTN, FLT, FLHT, FLHR etc........Fork tube diameter on all "factory" Wide Glide's is 41 MM. Center to center distance is 9-7/8 inches in the stock configuration.
Worm and Pinion Gear:
System for turning rotational movement through 90°, in which a pinion is turned by a spirally cut gear.
A bike mechanic.
XFOREVER/FOREVERX. Patch worn by club members to represent their total commitment to the club and ever other member of that club (Replace "X" with club name symbol).
The letter designation for Sportsters®.
Both the smallest T-shirt and motorcycle an American Biker (Male) will fit in or on, also known as a 4-speed Sportster.
All Sportster are XLs.
A word of exhilaration very often heard from a biker while grabbing second gear with a big inch stroker motor.
The gem you bought your wife for your anniversary so you would have enough money left for motorcycle parts.
The area one enters when driving the right motorcycle on the right road at the right time.
IBW Company, Inc.
Copyright © 2001, 2002, 2003, 2004, 2005. All rights reserved.
|Updated: January 30th, 2005|