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  • Smoking motor

    Hi. F115 4-S with 15 hours. Ran it hard for 2 hours then noticed when starting up after a drift that the lower unit was billowing a steady stream of grey smoke. Any suggestions on where to start diagnosing? Also looking for a good tech in San Diego to help out.

    Regards,

    BT

  • #2
    With only 15 hours it is probably still under warranty and you can take it to a Yamaha dealer to get checked out. Check the oil level, is it overfull

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    • #3
      Thanks. Oil looks good and is at pefect level.
      Fired her up last night and the grey billowing is actually from the exhaust. Bad gas?

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