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General Two Stroke Talk / engine differences between 2001 and 2005 yz250
« on: January 06, 2014, 01:19:37 PM »
99-14 cases are the same
Except the 99-01 use a smaller dia swingarm pivot. You would need to bore the case insert to match the 02+
01/02 crankshafts are identical 5MW-11400-00-00
Except the 99-01 use a smaller dia swingarm pivot. You would need to bore the case insert to match the 02+
01/02 crankshafts are identical 5MW-11400-00-00