2001 Yamaha YFM660 Raptor Factory Service Manual, Page 251Get this manual
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CRANKSHAFT AND BALANCER
INSTALLING THE CRANKSHAFT 1.Install: Crankshaft Crankshaft installer pot 1: PN90890-01274 Crankshaft installer bolt 2: PN90890-01275 Crankshaft installer set 3: PNYU-9005