Table of Contents
This is an old revision of the document!
P
Parts Catalog
Sold separately from the Service Manual by the MoCo specifically for your year bike. It contains blow-up diagrams of parts/ part numbers and is good for ordering/ cross referencing parts, or identifying missing parts.
Piston
Pre-Ignition
A condition in which the fuel/air mixture ignites before the spark plug fires. This is often caused by carbon buildup in the cylinders/ top of pistons which can allow the engine to seem to “run on” 1)
Pre-load (suspension)
The amount of spring compression applied to the shocks when they are in the unload state.
Primary Drive
The ratio between the engine and the transmission, reflects number of engine revolutions to turn the transmission sprocket one full turn. Main components are the sprockets on the engine/ transmission clutch basket and the drive chain between them
PS (Pferdestärke)
A German interpretation of BHP (Brake Horsepower) or Engine Power Output
PSI
Abbreviation for Pounds (of force) per Square Inch. An imperial measurement of tire or cylinder pressure.
Pulse Secondary Air Injection
Process of routing fresh air into the exhaust system to burn off excess gases