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Buell Motorcycle Forum » Old School Buell » Archives OSB 001 » Archive through August 26, 2005 » Is Pinging a sign of running lean? « Previous Next »

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M2nc
Posted on Tuesday, August 23, 2005 - 03:37 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I just installed a K&N Force Winder Intake on the M2 and took it out for a test ride. It definetly picked up power but I notice that at high RPM full throttle runs the bike was pinging ever so slightly. I would back off the thottle to say 3/4 throttle and it would quit. Is that a sign of the bike running lean?

Back Ground information: It was very hot, 100°F with high humidity. Heat Index was 115°F. Also the bike presently has a 200 main jet with a 48 pilot jet.
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Denfromphilly
Posted on Tuesday, August 23, 2005 - 04:20 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Pinging can be caused by a lean mixture. It can also be caused by carbon deposits, leaky valve guide seals, low octane gas, hot running, too hot a plug, and others. It's caused by the cylinder firing due to compression instead of spark plug firing.
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