2006-2008 Yamaha Snowmobiles Apex/Attak Factory Service Manual, Page 208Get this manual

2006-2008 Yamaha Snowmobiles Apex/Attak Factory Service Manual, Page 208

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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