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  1. #1

    yamaha vxr 1800 loss of power help

    hi have a vxr 1800 2012 was riding on the weekend ski was running orsm after 2 hours its like ski lost 30% power or a bad spark plug let ski sit for 30 mins had a look at motor and there was about 2 buckets of water in hole got water all out went back out ski was 100% ?? any one come across this ski has 20 hours like new

  2. #2
    I had kind of the same problem. It turned out that the water was coming in through the siphon that is suppose to continuously take any water in your ski out. If you used reverse a lot the water gets pushed into the hull through the hose. I put a one way valve used on the FX series and the problem stopped.

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