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A valve clearance of about 0.3 mm is usually given to ensure that the valve closes fully. What is tappet clearance in an overhead valve engine?

A valve clearance of about 0.3 mm is usually given to ensure that the valve closes fully. What is tappet clearance in an overhead valve engine? Correct Answer Clearance between the valve tip and rocker arm tip

Tappet clearance is provided in between the valve tip and the rocket arm’s tip. This clearance can be adjusted by the adjusting screw and the lock-nut. For proper valve operation, the tappet clearance value must be correct. Feeler gauges are used to check the value of tappet clearance.

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