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Old 11-09-2019, 09:33 PM   #12
Tinker
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Join Date: May 2010
Location: MN
Posts: 7,053
Default Re: Rhythmic smoke puffing out of oil input breather cap

Typically a blowby issue.... but chastise me...

MMO it. Sticky valve from sitting. Simple, cheap, and if it doesn't work. well your out $6.

You need to run it hard for a bit, so... maybe when it's warm.

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