Is it possible to swap a 3ln3 250 motor with a fzr400 motor <!-- s:lol: --><img src="{SMILIES_PATH}/icon_lol.gif" alt=":lol:" title="Laughing" /><!-- s:lol: -->
clarification - I assume you are looking to put the 400 motor in the 250 frame? (not a 250 motor in the 400 frame) I don't know if it is possible or not but as a guess I would say probably not.
Well the 600 engine fits in the 400, so if the 400 fits in the 250 you could put the 600 in the 250. Somehow I doubt that you would be able to fit the 600 in the 250 but prove me wrong, it certainly would be an interesting mod.
I've heard its possible with some knowledgable butchering. But why would you bother? FZR400's cost about as much as the 250's and have a better chassis...
Fookin' Aye Yeah it has a better frame. <!-- s --><img src="{SMILIES_PATH}/icon_biggrin.gif" alt="" title="Very Happy" /><!-- s -->
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