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Hey guys, I have a 98' GP800W and it just started acting up. When I put it in the water, it starts easily everytime and starts out running great. After about an hour and a half of riding (not constant, starting and stopping) it begins to lose power. Starts out fluctuating between 4000 and 6900 RPM's and after about 5 minutes it wont get over 4000 RPM's and cant get above 25 MPH. There just isnt a powerband. If I let it sit overnight, I can ride it again the next day like it never had a problem, then an hour and a half later it starts again.

Also, I got rid of the oil pump and premix my fuel so it isnt seizing up. Does anyone have any ideas?
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