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Recent content by Skiboy10

  1. S

    70HP bogs on initial acceleration, fine after quick choke

    Update - I went back and did the sync n sync from scratch (exception of verifying TDC). Set it to 725 RPMs in fwd gear with no resistance, verified advance was TDC in that position (book spec for 1978). Set the cam roller as pictured below. Gave it a nice test run and it bogged again. After I...
  2. S

    70HP bogs on initial acceleration, fine after quick choke

    This has been bugging me for years. Looking for ideas. I've got a 1978 Johnson 70HP that has been puzzling me since I bought it in 2016. On cold start (or warm start after being left alone for 20-30 min) and under initial acceleration the engine often bogs and will stall UNLESS I tap the choke...
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