My 250r ran pretty good to my limited knowledge of owning 2 strokes. My question is should I inspect the crank/rod in order to ensure a reliable setup with an esr310 top end I am going to put on? or is it ok to use the stock setup
also I noticed that the counterbalancer gear has in and out play that causes a sort of "ringing" noise... is that normal? I just need peace of mind and the bottom end is the last thing that hasn't been looked at


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