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View Full Version : 400ex and 250r Engine Swap


400exBVA
10-17-2006, 10:14 PM
Will a TRX250r engine bolt into a 400ex frame? Also is there a difference between the CR250 engine and the TRX250r engine?
300EXrider356
10-18-2006, 07:57 AM
Check out the hybrid section, I made a thread like this a while ago, I think its called 250r 400EX hybrid.