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Dirt Bike Discussions By Brand
Canadian Daves JustKDX
Pinging Noise - running too lean?
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[QUOTE="TheGrinch, post: 100911, member: 20716"] I recently rejetted my 2000 model KDX200 as suggested by this forum and the notes on the JustKdx website. I changed from the stock main to a 155 (was 160), and the pilot to a 45 (was48). I also raised the clip on the needle from the middle positon to the 2nd from the top. I rode the bike afterwards on a trial ride, and didn't notice a problem. But yesterday I raced the bike on a fast natural terrain grass track and noticed a pinging noise during my first race ( I mainly noticed it when I was rolling of the throttle and changing down gears to corner. Prior to the next race I dropped the clip on the needle back to the middle position. It seemed better. I may have heard the odd ping, but am unsure as paranoia set in, and it could have been the chain or somthing else clanging. A few questions: 1. Could this have caused any damage? 2. Is dropping the clip several postions (raising the needle) better than playing with the jet sizes? 3. I have been running Castrol TTS at 32:1. I thought this would be better than 40:1 considering I already leaned the jetting. Is 32:1 best? 4. I assume I would be best of doing a plug test as suggested on the Justkdx site. Your advice would be appreciated [/QUOTE]
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Dirt Bike Discussions By Brand
Canadian Daves JustKDX
Pinging Noise - running too lean?
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