W

Watt

Unit for expressing electrical power. Watts= Volts x Current 1)

Wear Limit

Welsh Plug

A small solid dish shaped disc which is used to seal the hole in a case where it's been drilled, etc. 2)

Wet Liner

A liquid cooled engine design where the pistons run in liners that are surrounded by engine coolant 3)

Wet Sumping

AKA Sumping. A condition in which the engine oil collects in the bottom of the engine, or oil filter instead of being returned to the tank 4)

Wheel

Wheelbase

The distance from the center of the front wheel to the center of the rear wheel

Wheelie

Woodruff Key

A half moon shaped or square key set into a slot on a shaft used to keep a slotted gear from turning.

Wrist Pin

Gudgeon pin or piston pin 5) Holds the piston onto the connecting rod.




1) , 3)
Haynes Sportster manual 1970-2010 pg REF*53
5)
Haynes Sportster manual 1970-2010 pg REF*49
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