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    150 Ocean Pro 1999 won't idle after warmed up---fixed---

    Once I repaired this I felt much better about the 150 Johnson motors. Last night for two hours ran the boat pulling tubbers around. 2 Wrestling teams wanted to have fun after practice. The engine performed perfect it never quit once it ran great it was subjected to highest form of torture. If...
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    Found it. Idles great when cold then spit sputter dies after warmed up. FIXED IT

    These were the things that were done to no avail. 1. Cleaned fuel tank. 2. New bulb 3. Rebuilt carbs 4. New plugs 5. Checked timing 6. Checked link and sync 7. Checked opto isolator 8. Checked just about everthing else. Here was the fix. Did the old trick of looking at the engine in the dark...
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    1999 johnson 150 Ocean Pro carb adjustment need some insight

    Took my handy dandy 9/64" allen wrench and started adjusting. First thing I noticed was not much happened. Seems like I could turn any direction with very little difference until it started missing bad. Slowed down and listened carefully but very difficult to tell any real changes until it...
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    1999 Johnson Ocean Pro 150 Idle mixture adjustment

    Just before I pull the carbs for a rebuild I thought I would adjust the Idle Jets ( if that is the correct terms). When I went to screw (allen wrench) them in to check to see where the current base starting point was and I found they were set to 7 1/2 turns out. And they seemed very loose at...
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    Water Pressure 150 Johnson Ocean Pro 1999

    Have a water pressure guage runs about 3-5 psi at idle and about 22 psi at 5000 rpm. Was just wondering if that is about right? Thanks
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    Ocean Pro 150 won't idle once warmed up?

    I have a 1999 150 Johnson Ocean Pro so I guess it is basically the same as the fast strike. It too is experiencing the same issue as some have posted over the years. 1. Starts up cold perfect and runs until warm then idles slows like normal. 2. Runs great when cold. 3. Runs great when warmed up...
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