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1990 xr80r motor swap

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I have a 1990 xr80r and I want to put a larger motor in it. I don't know if anyone else has done this. I don't know what motors will fit but i expect to have to do some welding. I preferably want to put a 2 stroke in it, something 250cc or bigger. Needs to be air cooled though. Any ideas or tips?

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If you're really gonna do this, we'd go with a CR500 but those engines are $1000-up.
CR250 would be our next choice. You can find 250 engines for free.

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Same place we find 'em, Craig'sList, friends, bike shows & swap meets.
 

 

Edited by arthur6

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