2006-2008 Yamaha Snowmobiles Apex/Attak Factory Service Manual, Page 214Get this manual

2006-2008 Yamaha Snowmobiles Apex/Attak Factory Service Manual, Page 214

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CRANKCASE
b Lower oil ring rail Upper oil ring rail 2nd ring Oil ring expander

7 Install: Big end bearings Connecting rod assembly (into the cylinder and onto the crankshaft pin)S C