2008 Yamaha Snowmobiles FX NYTRO Factory Service Manual, Page 256Get this manual

2008 Yamaha Snowmobiles FX NYTRO Factory Service Manual, Page 256

CRANKSHAFT AND BALANCER SHAFT INSPECTION 1Measure: Crankshaft runout Use the V-blocks and dial gaugeOut of specification
Clean and lubricate the bearings, then rotate the inner race with your fingerRough movement Replace4Inspect: Balancer drive
gear Balancer driven gear Damagewear Replace the crankshaft assembly and balancer driven gear as setExcessive noise during
operation Replace the crankshaft assembly and balancer driven gear as set5Inspect: Primary sheave drive shaft assembly Damage