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View Full Version : yz450f -yfz450



foti55
06-16-2010, 07:17 PM
we have a 250r lonstar hybrid frame we had a 03 yz450f engine in it but the bottom is shot. we are wondering if the yfz engine will fit in the frame and if we can put are dirtbike head on the quad engine. we are also wondering if we can put the yz head on a 426 bottom end.
262-742-4842
Thanks for your time

mx Eli
06-17-2010, 09:51 AM
hahah hey man this is Eli
what did your dad say about the motor?

mx Eli
06-17-2010, 09:53 AM
by the way though i don't think the yfz bottom end mounts will bolt right up. but they are easy to change. the head i think fits but i would go to a dealer and see what they say.

meuris71
06-17-2010, 11:40 AM
we did this to my 03 lonestar and had to change all the mounts. it was like a 1in difference in all the spots

foti55
06-17-2010, 04:43 PM
yea eli we are called the guy on that motor and he is sending us some pictures tonight

mx Eli
06-17-2010, 05:13 PM
sweet good luck with it