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A precision measurement tool utilizing a telescoping gauge and dial indicator to give readings of inside diameter measurements. Often used for inspection of cylinder bores for taper and out of round. … [Read more...] about Dial Bore Gauge

An engine lubrication system commonly used on motorcycles and ATVs. This system is set up so that the bulk of the engine oil is stored in a remote location such as an oil tank or the motorcycle frame itself. The oil is fed into the supply side of the oil pump by gravity and is pumped through the … [Read more...] about Dry Sump Lubrication

A clutch fitted on a motorcycle engine that is not located in an oil bath. Used primarily in high performance or racing motorcycles, a dry clutch doesn't consume as much power as a wet clutch, but it is nosier and tends to wear out sooner. … [Read more...] about Dry Clutch

A clutch plate which is indexed onto a motorcycle clutch inner hub by tabs or splines around its inside diameter. Driven plates are usually made from steel and have a smooth surface - they drive the transmission input shaft through the clutch inner hub. … [Read more...] about Driven Plate

A drive plate (also called a friction plate) is a special clutch plate that is indexed into a motorcycle's clutch basket (outer hub) with tabs. A drive plate has friction material attached to its surface on both sides. When the motorcycle rider engages the clutch, the drive plate(s) transfers power … [Read more...] about Drive Plate

In terms of a motorcycle transmission a dog refers to a knob on the side of a gear that aligns or interlocks with a matching dog or hole in an adjacent gear. Can also refer to friend of yours..."Listen up, dog, you know what I mean" for example. … [Read more...] about Dog

A solid state electronic component that allows electrical current to flow in only one direction, often described as a one way electrical gate. … [Read more...] about Diode

The process of removing carbon buildup from engine and exhaust components. These parts include but are not limited to the piston, the combustion chamber, valves (four-stroke engine), power-valve (two-stroke engine), exhaust pipe and silencer. If carbon is allowed to accumulate it can raise engine … [Read more...] about Decarbonization