vendredi 31 octobre 2014

Can i reduce valve clearance/lash by lapping?

Hi, this is my first engine rebuild and it's a briggs 12.5 HP (285707-0113-01).



Had a broken connecting rod and am putting everything back together and am to the point of checking the valves. My intake valve is ok, but the exhaust valve is at .014 and it is supposed to be no more than .011.



Will lapping that valve some more with valve grinding compound get it down where it needs to be? Would it require a lot of grinding to get the .003 off? Or should i buy a new valve?




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