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    More air!!

    I have a 25 hp johnson that when i take the cover off when its running it runs totally better and has better throttle response. Does anyone have or ever made a modification to the cowl cover to give it more air flow? I dont wanna butcher this cover so im asking for help. Thx.
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    73 25hp seahorse

    Gave up on my 20 hp, to many problems to try and fix @ once. Just picked up a 73 25hp for $400. Did all the pre checks: cleaned card, relaced plugs, changed lower unit oil. Anything else i should check b4 i test on water??? Runs great in tub....Cant wait to get it out there!!!! Model...
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    68 johnson sputters

    you guys helped me last time so i'm back for more. i have a 1968 20hp johnson. I changed the prop from a 9x10 to a 9x9, rebuilt the carb and a new thermostat. Boat ran great for a while then not so much. WOT with just me was 5000 rpm. With two of us its 4700. Once i get opened up i'm good. But...
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    water pump

    I was told that when you change a thermostat you should aslo change the impellar. should be a once a year thing. Is this true?? If it's pumping it should be fine?? don't wanna get caught in the water without water in the motor!!!
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    1967 20hp lossing high rpm

    I have a 1967 20 hp Johnson model num. FD-22E. I was given the boat and motor from my dad. When the boat wasn't outfitted for fishing the boat was scary fast! Now not so much. I know the weight of the equipment is the issue for lack of speed, but my problem is the rpm when I'm on plain. It gets...
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