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    Sportjet 90HP once again..HELP

    One problem after the other.. I wonder if it is really worth it!! After changing half the engine..pistons-carbs-stator e.t.c. I had the boat running for about a month with no problems and suddenly one day I was running low on fuel but going about 25mph when the engine increased in rpm but the...
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    152 Donzi Medallion 15"

    I have a donzi medallion with the 90 HP sportjet engine.. The boat is underpowered with tghe 90HP engine.<br /><br />It has great difficulty in planning. Especially with more than 2 people on board. If everybody sits in the front then the boat planes and goes a s fast as 35mph. <br /><br />I was...
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    Low power on Force 90Hp sportjet??

    This is the story so far: (Sorry for the long intro but I have to get it out of my system!!)<br /><br />Bought a 152 Donzi Medallion with a 90Hp force SportJet engine (OEO54226). When I bought it the engine was not working because the previous owner had blown it up. So I took it to the mechanic...
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    Help sportjet 90 Hp

    I have recently rebuilt a sportjet 90Hp engine. New pistons, gasket sets e.t.c. <br /><br />I also checked the impeller and it is not damaged. The engine is mounted on a donzi 152 medallion. The boat has extreme difficulty coming to plane and when it does it tops at 25mph<br /><br />What could...
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    HELP FORCE SPORTJET 90Hp too slow

    I have recently rebuilt a sportjet 90Hp engine. New pistons, gasket sets e.t.c. <br /><br />I also checked the impeller and it is not damaged. The engine is mounted on a donzi 152 medallion. The boat has extreme difficulty coming to plane and when it does it tops at 25mph<br /><br />What could...
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