30minstokenai's latest activity

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30minstokenai replied to the thread How to read basic timing on 4 stroke?.

it’s a 1999 3cyl 4 stroke merc, carburated. I believe the model is a M40.

Sunday at 12:21 PM
3

30minstokenai posted the thread How to read basic timing on 4 stroke? in Mercury & Mariner Outboards.

It’s possible my 40hp 4 stroke has jumped a cog on the timing belt. I’ve lost psi in all 3 cylinders. Wondering how to read basic cam...

Sunday at 11:15 AM
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30minstokenai posted the thread Struggling with a 40hp carb’d 4 stroke, 3cyl… help! in Mercury & Mariner Outboards.

Hey all, first post, thanks for letting me in! Anyways, I’m not usually stumped, but here’s where I’m at. 1999 40M, carbs, 3 cyl...
Sep 22, 2025

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