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View Full Version : 300ex knocking sound



thyman17
05-11-2009, 06:44 AM
well I recently rebuilt my quad again and it runs great and all but there is a knocking sound comming from the jug its not the piston im afraid its the rod. Its an older quad but it shouldnt be that bad i have no way of putting a new rod in. mabey they sell a bigger pin? if anyone has an idea or has an extra crank laying around ill buy it.

thyman17
05-13-2009, 08:34 PM
anyone have any ideas ? Mabey ill just make it into a 250R project. Mabey someone has a old 250r motor laying around that they wanna get rid of il lbuy it.