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  1. J

    1997 johnson 90hp stall at idle and hard start

    Hi. Everyone. Having a major idling problem I really need some help with. Basically hard start, mainly cold but sometimes warm, stalls at idle, almost all the time. And sometimes when switching gears a real pain when tring to dock. I have had the motor for 4 years now and basically had the same...
  2. J

    21ft pontoon prop question

    I have a21 ft pontoon with an Johnson 90hp want to try and get little more top end speed current speed is 24mph at 5200rpm with a 14x11 prop. With 2 people and very light gear. I had a 13.75x13 prop and was getting 5000 rpm and 24 mph. GPS. Any ideas on this. had motor gone over and they said...
  3. J

    1997 90hp Johnson can't hit Max rpm

    I have a 90 hp Johnson on a 21ft pontoon with a 13 pitch prop. My max rpm is 5000 with 2 people and very little gear. With 4 people and same gear I drop to 4700-4800 with 8 people I drop to 4100. I was told 5500 was max rpm for this engine. But never can hit close to that. The engine seems to...
  4. J

    3rd toon or water glide??? Need help

    I've been up in the air for a year now can't decide weather to go with a 3rd toon or water glide. Price wise there about the same I have a 22 ft boat with a 90hp. My bigger problem is splashing with more the 4 people. The tubes now are U shaped and are 23" I want to sit higher to help with...
  5. J

    Water splashing problem

    Hi I have a 20 ft Lowe pontoon with a 90hp. The problem I'm having is with more then 4 people I get splashing from front and port side. My pontoons stuck out past the front of the deck about 2 foot so I extended the front deck, that solved the water in the front problem but not the water from...
  6. J

    Adding a 3rd toon

    I have a 21 ft Lowe 1997 got it for next to nothing ( under 1k) put 2k in new seats and flooring but want to add a 3rd toon. With 7 or more people it splashes everyone on the left side. Because there is more seating to that side. Wanted to add a 3rd toon to lift out of the water more. Just...
  7. J

    21 ft pontoon prop

    I just bought a 21 ft Lowe pontoon with a 90 hp Johnson. I wanted to see if it had the right prop on it. It has a 13.75 x 13. Also I'm running about 23 mph (gps) with 2 people on it and with 8 about 20mph if I Change the pitch could I get a few more mph out of it without blowing the motor...
  8. J

    97 90 hp idling stalling and low rpm

    I have a 97 90 hp Johnson having some problems. 1st is stalling at idle almost anytime I try to idle it stalls from forward to reverse or any idle time. 2nd wot is only hitting 4600rpm not shore is related. 3rd is i feel im using more gas then i did last year alot more. I replace primer ( was...
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