: Always measure the clearance again after tightening the lock nut to ensure accuracy. Tappet Guides
Turn the adjuster screw with a screwdriver until the correct clearance is reached. Tapeet Mootor
Adjusting tappets, also known as setting valve clearance or lash, is vital for maintaining engine performance and preventing damage like burnt valves or rough idling. : Always measure the clearance again after tightening
: Rotate the engine manually to Top Dead Center (TDC) for the cylinder you are adjusting. This ensures the valves are fully closed and the tappet is on the base circle of the cam lobe. Tapeet Mootor
A is the sleeve or housing that keeps the tappet moving in a perfectly straight line. DOC HARLEY: TAPPET GUIDE ALIGNMENT TOOL USES