Polaris ATV Forum - View Single Post - Help with Predator Valves
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post #9 of (permalink) Old 05-14-2019, 02:39 PM
latebird
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Join Date: May 2014
Location: Illinois
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The valve stem has to remain a few thousandths of an inch above the cotters - I don't have any of those valves handy to make a measurement - but a machine shop can use the valve and cotter to advise you how much can be removed.

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