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    kend301 winter mods. I want an update!!!!

    Kend301, I was curious how the winter mods went. Milling the head, and improving the flow through the impeller etc.. I read about your plans last year. Any news?? I just got my boat out of the barn and it started right up. Yeah!!. I installed a new tach that I picked up on ebay. It was a...
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    Boerdoc1 update sportjet 90

    Some good news for all who have trouble with these. I too had problems with this motor. My magnets broke and it would not start. So through the info here I made some changes. I replaced the flywheel with a #859241T10 also referenced #817494A2. I matched it with a trigger #817029A9 (Reference...
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    DVA testing. Stator and Trigger

    I want to test the stator output and the trigger output on a sport jet 90 If you do not have a test harness (511-5207A) how can you test the CDM output. I have a DVA. Is there any way to do it without the harness? Thanks Kent
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    How to ? Tachometer on sport jet

    How do you hook up an automotive tach to a sport jet 90? Just for testing purposes, in a complete install. I want to set the idle speed and check the RPM at WOT.
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    sport jet 90 boerdoc 2

    While tuning and timing we had the flushing adapter connected for a couple minutes at medium pressure. we tried to crank the engine and nothing. The starter would not turn over the engine. I removed the spark plugs and water shot out of the lower cylinder. I checked the plugs and the lower...
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    Sport jet Flushing adapter alternative

    I wnat to do some tuning at home asap but I do not have the dealer flushing adapter. Any ideas as to how to do that with any other readily available fittings at a local plumbing supply? I don't know why they did not just use standard 3/4 pipe fittings. Thanks. Kent
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    sport jet 90 boerdoc

    My problem is similar but different to the others with sport jet 90s. My boat 1994 sea ray Rayder engine #0e050827. It has always been finicky to start. (only had it one season). This year I left the gas in it over winter and it would not start. I drained the gas and removed and cleaned all...
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