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Canadian Daves JustKDX
Pinging Noise - running too lean?
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[QUOTE="Canadian Dave, post: 102205, member: 16102"] Seizers at WOT are often the result of a lean main jet. Why does the piston seize in its bore? As the piston's temperature increases it expands. If the main jet is too small/lean two things can happen: the engine may receive less lubrication than what's required which causes additional friction/heat but more often its receiving less fuel than is required to keep piston temperatures within the normal operating range. The incoming charge of fuel quenches the piston cooling it. Even if you're running a high oil ratio, say something like 20:1 and your engine is getting all the lubrication it needs if an adequate amount of fuel isn't supplied the piston over heats and grinds to a halt. David [/QUOTE]
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Dirt Bike Discussions By Brand
Canadian Daves JustKDX
Pinging Noise - running too lean?
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