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kdx 250 pinging

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hi guys

i just bought a kdx250 92 model and so far am loving the bike but have one annoying problem. I noticed today that the bike pings/detonates on decel(after revving having chopped the throttle).can anyone give me a rough idea of what to look for.

thanks in advance

ps the bike has had a full rebuild

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how would i tell if it is lean? also i only use 98 octane fuel(highest i can get)

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ok so what noise do you think im hearing is?and how would i go about fixing it.

is it possible its unburned fuel lighting up in the chamber

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If it surges and has a *ting ting ting* sound as you decelerate, the pilot circuit is lean.

If you rev the engine in neutral, does it immediately return to idle, or do the rpms hang a little before settling down?

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it did seem to hang a little but not a great amount.the noise i heard was sort of a knock sound and i could slightly feel it through the bars,if that makes sense.is it possible that the kips ratte is doing this

Edited by 97cr125

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