Feedback Score: 0 reviews
Join Date: Jul 2006
Ok, since you say that it runs well under power, then that rules out any seizing problems.
A few things to check,
take the throttle cable off, check the idle screw, make sure the quad will idle. Taking off the cable will rule out any interference and make sure that the blade is fully closed.
Next, take a look at the vacuum line between the map sensor and the T body. Make sure there is no damage to the line.
Do you have the lights hooked up to the quad? Are you getting any codes?
After you check those things, I recommend doing a leak down test. If you don't have a leak tester, some of the parts stores have loaners you can use. A leak down test will let you know if you are having a valve seal issue. This can most defiantly cause a problem at low RPM and or idle.
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