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Old 02-17-2020, 02:03 PM   #15
drolston
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Join Date: Jun 2014
Location: Williamsburg, VA
Posts: 1,627
Default Re: Bronze valve guides??

I have had the engine run rough and fluttering vacuum after sitting for two months without running. Both time it cleared up by drizzling some MMO into the carb while running the throttle up and down.
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