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Old 03-08-2019, 07:16 AM
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Join Date: Jun 2014
Location: Allevard FRANCE
Posts: 164

Originally Posted by invrtd View Post
R21 Euro and R2103 based on part numbers look like the same motor. Was looking at a EURO spec to run 16% just in case I decide to run worlds.
Piston/liner and crankshaft are not the same, check the partnumbers.
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