i have a 1984 yz 125 and was wondering if it would work to swap out the carb for a newer bigger carb .would this make it run faster and better or would it just bog it down and make it run like crap looking for answers thx. :ride: :p
i have a 85 yz 125. so our bikes are the same pretty much the same. the 84 uses a stock 34mm carb. the carb you have is the perfect size. If you buy too big of a carb, that will be too much fuel for your 125cc i think. I think the highest you should go is 35mm or maybe even 36mm. If you want more power, buy the same size carb but an aftermarket one like DG, makuni, keihin.
thx for the advice.i think i mite get a carb rebuild kit and what not i would bore it out but it is already bored 1.25mm over and i cant go much further
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