SBT Jetski Engines, Parts & Accessories

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  1. #1
    Joined
    Jul 2010
    From
    annapolis,md
    Posts
    78

    Default 787 exhaust leak

    if a motor is very noisy and fumes appear in hull, is is likely to be exhaust or is it possible to have a leak in the crankcase? I had a Kawasaki 650 return from the sea with a hole in the crankcase (lemon-sized!!) and it was running ok but LOUD!

  2. #2
    Joined
    Aug 2004
    From
    Olympia, WA
    Posts
    3,629

    Default Re: 787 exhaust leak

    Usually exhaust fumes in the hull mean an exhaust leak. Steam in the hull means a water leak.
    Dan Solie -
    04 RXP (the "Instigator")
    94 xp (freestyle mods)
    95 xp (faster than the 94)
    JS550 (the toothpick & the loaner)

    For FREE Seadoo Manuals - Click HERE!!!!

    http://www.tripleateam.com/water/v/U...ery/Dan-Solie/

    **** Please do not PM me. I don't do PM's.... Please post your question on the correct forum so that all can see and learn. Thanks! ****

  3. #3
    Joined
    Jul 2010
    From
    annapolis,md
    Posts
    78

    Default Re: 787 exhaust leak

    can't believe it, went to examine "exhaust leak" and the crankcase is broken around the counter balance shaft!!!! the smoke was probably actually grindings (dust) from the bearing. not all that loud and the engine was running great (on land-no torque).whole new ball game for a unit I thought was close to delivery.

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