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Old 04-19-2023, 05:45 PM   #14
WHN
Senior Member
 
Join Date: Mar 2017
Location: Connecticut Shoreline
Posts: 2,067
Default Re: Stuck valves - advice please

Before you start taking things apart. Try the MMO in you gas, in the spark plug holes.

Give it some time to work. Then try running your engine. It might take a few minutes running for the valves to start working properly.

Are you using High Detergent oil?

Good luck.
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