wondered if anyone knows if the bottom end on a 1980 yz50 and 1980 yz80 are the same, my top end on my 50 is shot and would like to change it to an 80 if possible, also are the carbs the same. thanks!
carbs are definetley not the same. go buy the base gaskets for both bikes and line them up. you'll see real quick if hey are even close enought to work with.
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