Re: strange bronzing/wear patterns on piston

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i bought this bike all built up and when i first got it, and the jetting was a bit rich based on plug chops. however, i opened the cylinder, and it was fine, and the piston did not look like this.

it recently started to get super leaky on the exhaust, could air leaks cause this much temp differential? also, any word on the weird scuffing patterns?

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Subject Written By Posted
  strange bronzing/wear patterns on pistonTopic by: viv v viv v 08/25/16 12:17AM
  Re: strange bronzing/wear patterns on pistonRe: Probably Fred Probably Fred 08/25/16 12:24AM
  Re: strange bronzing/wear patterns on pistonRe: viv v viv v 08/25/16 12:34AM
  Re: strange bronzing/wear patterns on pistonRe: Daniel '' Daniel '' 08/25/16 12:40AM
  Re: strange bronzing/wear patterns on pistonRe: viv v viv v 08/25/16 12:47AM
  Re: strange bronzing/wear patterns on pistonRe: Probably Fred Probably Fred 08/25/16 02:57PM
  Re: strange bronzing/wear patterns on pistonRe: Ryan . Ryan . 08/25/16 03:49PM
  Re: strange bronzing/wear patterns on pistonRe: Probably Fred Probably Fred 08/25/16 11:29PM
  Re: strange bronzing/wear patterns on pistonRe: Ryan . Ryan . 08/25/16 03:47PM
  Re: strange bronzing/wear patterns on pistonRe: BryAn eurism BryAn eurism 08/25/16 09:29PM
  Re: strange bronzing/wear patterns on pistonRe: Marc Friedman Marc Friedman 08/25/16 11:30PM
  Re: strange bronzing/wear patterns on pistonRe: Glenn Kuehn Glenn Kuehn 08/26/16 02:43PM
  Re: strange bronzing/wear patterns on pistonRe: Daniel '' Daniel '' 08/27/16 02:33AM
  Re: strange bronzing/wear patterns on pistonRe: Saabsonettguy . Saabsonettguy . 08/26/16 09:36AM
  Re: strange bronzing/wear patterns on pistonRe: Marc Friedman Marc Friedman 08/26/16 10:32AM
  Re: strange bronzing/wear patterns on pistonRe: Probably Fred Probably Fred 08/26/16 10:54AM
  Re: strange bronzing/wear patterns on pistonRe: niklaus _ niklaus _ 08/26/16 03:48PM

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