A method used by motorcycle riders to help control lean angle or direction independent of the handlebars by moving body position on the motorcycle.
1) Suspension. Example: I tested various boinger components to improve my bike’s front-end handling.
2) A piston engine. (Compare to rotary engine.)
A late 19th century bicycle, and later, a very early motorcycle based upon the same frame. “Boneshaker” refers to the extremely uncomfortable ride, which was caused by the stiff frame and wooden wheels surrounded by tires made of iron.
The measurement of a cylinders diameter (see also stroke).
When the suspension runs out of travel and bumps against its internal stops. “My rear suspension bottomed out over the big bump after turn five.”
A wave of water pushed ahead of a tire, similar to the wave pushed ahead of a boat moving through water.
Refers to the BMW R-Series engine that has two horizontally opposed cylinders.
A horizontal engine configuration with the two pistons opposing each other, commonly found on BMW twin-cylinder motorcycles. The term comes from the resemblance of fists coming towards each other.
The measure of an engine’s horsepower without the loss in power caused by the gearbox, generator, differential, water pump, and other auxiliary components. Horsepower delivered to the rear wheel of a motorcycle is less than at the engine. “Brake” refers to where the power is measured: at the engine’s output shaft, as on an engine dynamometer. The term “brake” refers to the original use of a band brake to measure torque during the test (which is multiplied by the engine RPM and a scaling constant to give horsepower). See also: Horsepower and Torque
A track indicator placed off to the side of the track, marking a spot where a rider may wish to begin braking for a turn.
A slow first-gear corner.
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