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The slow air jet, not to be confused with the slow fuel jet (pilot jet), works in tandem with the carburetor pilot jet to control the volume of air delivered to the pilot circuit. It is located on the intake side of most carburetors and may be adjustable or of a fixed size. … [Read more...] about Slow Jet (Air)

Supersport bikes are advanced-level, high-performance oriented motorcycles designed for street use. Cost of ownership is typically slightly higher than that of less exotic sportbike motorcycles. … [Read more...] about Supersport Bikes

Sportbikes are entry-level, performance oriented motorcycles designed for street use. They are typically economical to own and operate. … [Read more...] about Sportbike

The Society of Automotive Engineers (SAE) International has produced a simple, consistent and economical sound test standard that can be used to determine whether a streetbike (on-highway motorcycle) exhaust system emits excessive sound, the American Motorcyclist Association (AMA) reports. The … [Read more...] about SAE J2825 Standard

A screw or bolt extractor is a device used to remove broken bolts, screws and fasteners. They are available from most motorcycle and automotive stores. … [Read more...] about Screw Extractor

An electrical failure in which the current flow bypasses (takes a shortcut before) the resistance of the load and goes directly to ground. Short circuits can result in blown fuses, melted wires and damaged components. … [Read more...] about Short Circuit

Refers to the relative weight of a fluid as compared to an equal volume of distilled water. It is common to check the specific gravity of engine coolant and battery electrolyte to determine if they are within specification using a tool called a hydrometer. There's even a type of hydrometer that … [Read more...] about Specific Gravity

When the piston in a motorcycle engine moves from TDC (Top Dead Center) to BDC (Bottom Dead Center) or from BDC to TDC - the distance traveled is referred to as the stroke. The stroke takes one half of a revolution of the crankshaft. … [Read more...] about Stroke