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Old 09-17-2008, 12:02 PM
2old2learn 2old2learn is offline
Motorized Bicycle Newbie
Join Date: Sep 2008
Posts: 12
Default Re: Power loss, reduced power, wot, high speed power loss

Originally Posted by wizzizer View Post
okay, so i checked my motor mounts and they were tight (i tightened them as much as i could anyway just to be sure) so i guess thats not the problem.

the weird thing is that if i go uphill (one that would normally bog the motor) it starts firing correctly and pulls just fine, but when on flat ground at wot it misfires (i think thats whats happening) and will not clear out and rev.

i'm at a loss. i even tried a bigger mainjet but that didnt help any.
I had a very similar problem on my HT engine after about 150 miles. I had to lower the clip on the needle to make it run richer at Wide Open Throttle, WOT. Suddenly instead of being limited to 20 mph now I can run at 30 mph. I'd have never thought it would make that much difference. I had tried to go the other way thinking it was too rich at first. Trial and Error.
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