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    90hp will not fire!

    I cannot figure this one out! I have a 98- 90hp Johnson that has perfect compression, plenty of fuel, and a good spark on all 4 cylinders but will not fire, period. No cough, no backfire nothing! It's driving me crazy, I have had all 4 plugs in and connected one lead to a 5th plug outside the...
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    motor won't start

    I have a 1997 Johnson 90 hp that has run great for years until last week. It got hard to start 2 or 3 times then would not start at all. I've got good spark on all 4 cylinders, plenty of gas at the fuel pump, any suggestions out there?
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    90 hp sportjet won't plane

    I started the boat dry and it backfired bending the ride plate. I removed it, straightened it and re-installed it. The boat will still only barely plane (maybe 15mph) and more throttle just makes the engine rev with no additional grab. How straight and sealed does this ride plate need to be? Do...
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