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How to understand Motorcycle Valves, Tappets, and Clearances...
And How to Measure them & adjust them...

This information is brought to you free of charge by the guys at MotorcycleAnchor.com -- at least check out our Motorcycle Anchor™ solid billet 82 degree lifetime use tire valves -- BECAUSE WRECKING DUE TO TIRE VALVE FAILURE SUCKS.™

 
A Typical Tappet-Activated Motorcycle Valve:
A typical motorcycle tappet-activated valve explained & diagramed.
 
 
Checking the Existing Clearances:
 Special Notes: Some systems have two valves opened by a common tappet. If this is the case, you'll need two feeler gauge sets -- stick the smallest permissible feeler gauge in the gap for the valve you are not measuring at that instant to prevent sea-sawing of the tappet from messing up your measurements.
How to use a feeler gauge to check clearances of a motorcycle tappet-activated valve: correct example.
 
Using the Feeler Gauge Correctly:
How to use a feeler gauge to check clearances of a motorcycle tappet-activated valve: incorrect example #1 for clarity.
 
How to use a feeler gauge to check clearances of a motorcycle tappet-activated valve: incorrect example #2 for clarity.
 
How to use a feeler gauge to check clearances of a motorcycle tappet-activated valve: incorrect example #3 for clarity.

 
 
 
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MotorcycleAnchor(TM) and MotorcycleAnchor.com is a manufacturer and reseller of MotorcycleAnchor brand security ground anchors, motorcycle anchor, motorcycle security products, theft-deterrents, solid billet aluminum tire valves, and other motorcycle accessories. 		 
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