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08 Yamaha 150 Vmax Wont Run Wont Idle

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  • 08 Yamaha 150 Vmax Wont Run Wont Idle

    30 hrs on a 08 v150 carb Vmax having problem idling, have 2 choke every time, no power in h20.

    gone through carbs, and were squeaky clean

    gone through diaphragms, clean as well

    plugs were fine, changed anyway (getting spark on all 6)

    new f/w filters, new gas, new lines, new bulb

    barely runs on hose as long as u keep rpms high but in h20 wont get over 1500-2000 and wont idle either. Tried to up the idle a bit, helped a little but now just a fast idling rough runner.

    checked plugs in cyl 1&2 , and they look like they did out of the box. they are not burning, the rest look as though they are.

    Any thoughts
    Last edited by perryk123; 06-14-2011, 08:02 AM.

  • #2
    Sounds like it is running too lean on #1 and 2, possible still have plugged passages in carbs. May need to be resync.
    Regards
    Boats.net
    Yamaha Outboard Parts

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