Valve Grinding Compound Course

20051121on page 436 of the 2005 manual item 3 says inspect the valve face and if there is pitting or wear, grind the facen page 437 item 7 says to inspect the valve seat and if there is pitting or wear, reface the seathen on page 438 it says anytime a valve has been replaced or a seat refaced they should be lapped starting with course compound and then finished with fine.

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