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Rod knock ???

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Well I have a 2002 DR-Z400E and it's knocking. The knock has come on slowly but it is there. I work at a shop and they say that I am having maybe "piston slap" but I didn't feel comfortable with thier diagnosis. They didn't seem too concerned. Anyone here run into a knock problem and what did you do about it. I am being hopefull that I do not have a huge issue.

Thanks again,

bill

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Piston slap is really common on engines with 1 1/2" tall skirts, no way to get around it. So that could be your problem. It is really hard to diagnose noises over the net. :applause: Where abouts in Washington do you live? Maybe a drz guy around you can take a listen to it.

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Maybe you could record it and let us listen ... or just keep on riding and see if it gets worse. If not I would not worry and keep on riding - with a tow rode.

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