2003-2006 Yamaha Snowmobile RX1 Service Manual, Page 210Get this manual

2003-2006 Yamaha Snowmobile RX1 Service Manual, Page 210

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CRANKCASE
13 Select: Crankshaft journal bearings (J1 J5) NOTE: The numbers stamped into the crankshaft web and the numbers stamped into the lower crankcase are used to determine the replacement