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Recent content by drwambo

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    1990 25hp Johnson runs great, but throttle maxes out at 4000rpm

    Oh I get it. I'm really hoping it's something dumb, but I'm afraid it may be a bigger problem than I realized. I'm fairly ignorant when it comes to engines.
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    1990 25hp Johnson runs great, but throttle maxes out at 4000rpm

    yeah, just pulled the plugs. both seem about the same - but the top plug is definitely wetter, even on the threads. So I will have to run a test again and pray - or just repower the darned thing. I will put on the muffs and do the obvious and pull a wire to see if things change. That's about...
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    1990 25hp Johnson runs great, but throttle maxes out at 4000rpm

    Interesting. I had what I THOUGHT was a problem with my top cylinder before I put it in the water this year. When I purchased the boat, I found that the top plug threads were stripped. Chasing them made it worse and I ended up putting in a sleeve. Last year I had issues at the end of the...
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    1990 25hp Johnson runs great, but throttle maxes out at 4000rpm

    Hi all, I have a 1990 25hp outboard and am having issues with getting rpms beyond 4000. Everything says it should be running around 5000-5500 at WOT. The engine runs perfectly. Starts a tiny bit hard and sneezes a couple of times when cold, but other than that runs fine through the throttle...
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