Recent content by 30minstokenai

  1. 3

    How to read basic timing on 4 stroke?

    it’s a 1999 3cyl 4 stroke merc, carburated. I believe the model is a M40.
  2. 3

    How to read basic timing on 4 stroke?

    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 timing alignment. If I align the cam gear triangle to the matching triangle on the head, the crankshaft position sensor aligns with somewhere around 5 or 7 on...
  3. 3

    Struggling with a 40hp carb’d 4 stroke, 3cyl… help!

    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. Very low hours…. Like 60-90 total hours of run time. Won’t start. Getting clean, good fuel. Spark in 1&3 are excellent. 2 looks a little weak at the plug, and...
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