2006-2008 Yamaha Snowmobiles Apex/Attak Factory Service Manual, Page 201Get this manual

2006-2008 Yamaha Snowmobiles Apex/Attak Factory Service Manual, Page 201

CRANKCASE 5Remove: Piston pin clips Piston pin Piston Connecting rod 4 CAUTION: Do not use hammer to drive the piston pin
difficult to remove, remove it with the piston pin puller Piston pin puller: 90890-01304, YU-01304 6Remove: Top ring 2nd
ring Oil ring NOTE: When removing piston ring, open the end gap with your fingers and lift the other side of the ring over
the piston crown 7Remove: Crankshaft Crankshaft journal bearing NOTE: Identify the position of each crankshaft journal upper