twin rotax 717

  1. W

    No Power in the water,

    i have a twin rotax jet boat, my left engine will run fine on the trailer, rpms will get up to 7k plus, but as soon as i put it in the water the rpms will not go above 5k and the boat barely moves on that engine, i have checked fuel and plugs and compression, took the back end apart and looked...
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