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  1. #1

    Question Rpm doesn't go up more than 4000 into the water

    Hi everyone! Thank you in advance for your help. I have 2004 yamaha gp800r. Runs great on trailer with water hose connected. But rpm doesn't go up more than 4000 into the water??? Very, very slow speed...no starting problem...


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    SHOBiz's Avatar
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