Recent content by ddog

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    1995 Yamaha 225TXRT NO combustion #2, surges above 4000 rpm SOLVED FIXED

    Edited title since technically I have spark on #2, but no combustion taking place. 1995 Yamaha 225TXRT. First noticed the problem as a surge sensation running at 4000-4200, would get an intermittent burst for 1-2 secs then drop back. Had a little miss stutter I could detect coming up on plane...
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    No Spark on #5 S225 OX66 EFI

    New to the board, tried the search and didn't find a match. Engine is 1999 Yamaha S225TXRX OX66 EFI.<br />The engine has spark on all six cyclinders when it is first started. After about 1 minute, will lose spark on #5. Using a timing light to check spark and confirm with a gap style spark...
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