I would be looking at the carbs...go through this guide and fine tune them first.
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Carb pop-off Adjustment
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No, the 780 is the only Polaris that the timing is adjusted by rotating the stator.
650's and 750's just bolt on don't they? If you pull it off the old engine and are not very carefull putting it back on, you will install the stator out of time.Remember, no matter where you go, there you'll be!
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Yeah, I know - there were a few little things that I assumed people would just do, but I did get a few calls about it...there are a few more little details like that that will be included inthe next versions of the guides - unfortunatly i just don't have time for the special projects until the season starts to slow down - maybe near October...
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Thanks. I just spent a week in the 'Zarks and the ski never picked up speed on right turns. It would run fine, but at 1/2 to full throttle it would stay at 4950 RPM. It would only go to 6450 RPM under the following conditions, 1/2+ throttle, even or slightly + trim, and momentary air to pump. Then hold on tight!
Plugs look great / even. I advanced the timing a couple of degrees tonight, but I didn't know about the mark. A quick run showed 62mph indicated on glass conditions, but same requirements to advance engine to high RPM!
This is really strange!
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