Maintenance & Technical > KX500 Original

confused jetting

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bige:
im in wv, i thought of moving clip back to #3 and see but it ran cleaner and less studdering at #2. i figured the surging off throttle was a lean condition on the pilot  but that 58 is way to rich. my idle is set at the lowest and even took all idle out and it still surges a little but not as bad as when idiling

Motorrad:
oh... when your tuned CLOSE  the idle will run on a few times (surge)        but not mid range.

bige:
only surges going down hills with throttle closed will surge and buck at a mid rpm with closrd throttle. upon giving throttle just studders at 1/4 opening but runs crisp all way to full throttle

bige:
i did ride a 97 cr 500 before and it did that off throttle surging to. is this a 500 only issue?

Foxx4Beaver:
Every 500 I ever rode surged....the real Ping King was the ole YZ490's.I read a post on here several months ago that said to turn the idle screw all the way in,and that would stop it from surging...I did'nt really believe it,but I tried it,and it helped ALOT.

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