mercury Workshop Repair Guides

Mercury Workshop Service and Repair Manuals

Drive Belts, Mounts, Brackets and Accessories > < Valve, Intake/Exhaust|Service and Repair
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1. Inspect the following valve areas:

1

the end of the stem for grooves or scoring

2

the valve face and the edge for pits, grooves or scores

3

the valve head for signs of burning, erosion, warpage and cracking

4

the valve margin for wear

Drive Belts, Mounts, Brackets and Accessories > < Valve, Intake/Exhaust|Service and Repair