Motorcycle two-stroke engines feature a one-way valve positioned in the intake port. The valve is made up of a reed cage that holds the reed petals. The petals prevent the backward flow of crankcase air/fuel mixture out of the carburetor. Reed valves should be inspected on a routine basis. Over … [Read more...] about Reed Valve
R
Rear Sprocket
The sprocket or toothed gear that drives the rear wheel(s) of a motorcycle or ATV. Sprockets are bolted to the hubs of motorcycle wheels and bolted to the axles of ATVs and are turned by the drive chain. … [Read more...] about Rear Sprocket
Rake
In motorcycling, rake refers to the angle of the forks from a true vertical position. Rake is measured counterclockwise from true vertical when viewed from the right side. A 0° rake would be considered vertical. Choppers are often referred to as being "raked-out" because their forks are fixed at a … [Read more...] about Rake