Recent content by Aquanut1

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    head torque specs?

    does anyone have the torque specs for the head and head cover gaskets on a 1990 gt 150 model # TJ150SLESB ? The Cylimer mnual stinks for detailed info.. thx
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    Prop selection and motor height help

    I'm having problems getting the right combination of prop and motor height. The boat is a 1990 Nitro 2000 that measures 20'6" about 1550 lbs with a "V" pad. It has a 1990 150 Johnson Gt. I was told it would devolop maybe 170 hp. When I bought the boat the motor was at the top mounting hole with...
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    1990 200 hp gt overheating

    I pick this motor 6 months ago. I was sitting a while so I changed the stats, impeller, plugs, wires, had the carbs done, and the crank gasget replaced. $1500 later I have a cooling problem that wont go away. I have 25 lbs of water pressure, and it still overheats at full throttle after a few...
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    gasket problem

    My 1990 150 johnson has a small leak under the power pack on the crankcase.The leak is about a quarter of an inch long and the only reason I saw it is because when it coughs it blows a small puff through the hole. The marina where its being looked at now says that I will blow the motor if I...
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    power pack problems?

    on a 1990 150hp would a powerpack limit higher rpm's and be ok in the lower rpm's ? runs ok until you go over 3000 rpm's
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    moving a post to the right forum?

    being a first time user i put a repair question in the wrong section. Can I move it or do i need to retype it in the right area?
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    1990 GT 150 firing problems

    Just bought 1990 Nitro with GT 150 off original owner. Sat for a long time, did waterpump, therm, plugs, wires,carbs..ect. After running a few minutes, idles without throttle help, but coughs and cut out after in idle a bit, but easy restart. Boat really moves nice until past weekend While at...
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    1990 GT 150 firing problems

    Just bought 1990 Nitro with GT 150 off original owner. Sat for a long time, did waterpump, therm, plugs, wires,carbs..ect. After running a few minutes, idles without throttle help, but coughs and cut out after in idle a bit, but easy restart. Boat really moves nice until past weekend While at...
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