Usually found on Harley Davidsons, a belt drive has notches molded in it and is attached between a sprocket at the transmission output and a sprocket attached to the rear wheel. A belt drive requires no lubrication, so it is one of the cleanest final drive systems. Read More »
Cable-Activated
P>One end of the cable is attached to a lever or pedal. The other end is attached to the drum brakes or the clutch. Squeezing the lever or pressing the pedal will cause the brakes to be activated or the clutch to be disengaged. Read More »
Cladding
Tacky, ugly design elements that American automakers have tended to put all over the outside of their products. Read More »
Cruisers
Harley Davidson motorcycle riders. Read More »
Differential
The gear assembly connected between the driving wheels (or front and rear axle in case of 4WD or AWD) that permits the wheels to turn at different speeds. This is especially important when going around a corner since the inside wheels turn more slowly than the outside wheels. Read More »
DNF
Literally, the race participant DID NOT FINISH. Read More »
Fours
Four-cylinder engines on a motorcycle. Read More »
Green Flag With A Yellow Diagonal Stripe
The green flag with a yellow diagonal stripe signals a slower driver to move over on the track and let the leaders proceed. This usually occurs near the end of a race when the slower car is many laps behind. This flag is to ensure safety for the cars still racing for the win. Read More »
Highsiding
Highsiding happens when the back wheel of a motorcycle gets out of line with the front wheel, for instance, when the back wheel fishtails during a skid. When the two wheels are out of line, if the back wheel gains traction, it immediately snaps in line with the front wheel. The result is a very violent action where the rider ... Read More »
Ignition System
The electrical system that produces a spark to ignite the fuel/air mixture in a gasoline engine. Read More »
