1981 yz 80 - Off-Road Forums & Discussion Groups
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post #1 of (permalink) Old 09-09-2007, 10:29 PM
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1981 yz 80

will a 1981 yz 80 frame accept a 1985 yz 80 motor
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post #2 of (permalink) Old 09-10-2007, 06:11 AM
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Red face

I haven't done it, however the conscensus is yes, it will accept it? ... the proviso being with some work , (I've seen 125 motors installed in 80 frames ... In my opinion, with the amount of work required, you'd be better off putting in a larger motor )

Is it a direct replacement / bolt straight in? ... Not a chance!
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