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    Indmar TBI smoke when warm and when accelerating

    Hi, I have a Supra Launch SSV from 2002 with an Indmar TBI 5.7 Assault that runs great, but produces quite a bit of smoke. When first starting the engine it doesn't smoke at all. Then when running for 5 minutes at idle speed it starts to put out a small amount of smoke. When accelerating...
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    350/5.7 Exhaust valve seal leak + low compression

    Hi, I have an Indmar Assualt 5.7 / 350 TBI from 2002. Engine very similar to a Mercruiser, hopefully it is ok to post in this part of the forum, didn't find Indmar. Background: Last year my exhaust valve spring on #7 cylinder broke, it just snapped. I didn't run the engine and got towed to...
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    2002 Indmar Assault TBI rough idle and noise

    Hi, I have a 2002 Launch SSV with an Indmar Assault 350 / 5.7 TBI. Yesterday when we were out with the boat we first spent a few minutes idling in gear. Then we throttled up and got on plane. Almost immediately I thought there was a strange noise and felt a vibration in the boat. We turned off...
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    Clacking/tapping noise due to blown head gasket

    Hi, I have a Supra Launch 22 SSV with a 2002 Indmar Marine small block, 350 / 5.7 litre engine. Block-wise the same as a mercruiser. The engine is a TBI (throttle body injection), is salt water cooled and has about 800 hours on it (first 400 in sea water though). This saturday I was out...
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    Mechanical Clunking noise when running starter engine

    Hi, I have a Indmar Assault 5.7, same as mercruiser 5.7 basically. The engine is from 2002, if that would matter. Last night me and a buddy of mine went out wakeboarding. After about an hour or so of running I was going to pull him out of the water when the motor suddenly died. I gave full...
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