Re: 90 Marathon 2 Stroke no power in bottom end
95psi is about 35-45 psi short of what you need. Believe it or not these little sewing machines need 130-140psi comp to run correctly.
Actually, judging by most of the comments you see on here, your lucky the thing runs at all being below 100.
Sounds like a rebuild is in store for your little 3pg, luckily their cheap kits, especially if you only end up needing a top end rebuild.
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