2002 Yamaha YFM660 Grizzly factory service and repair manual, Page 219Get this manual
CRANKSHAFT AND OIL PUMP
CHECKING THE CRANKSHAFT 1.Measure: Crank width Out of specification Replace the crankshaftCrank width: 74.9575.00 mm (2.95082.9528 in)
Side clearance Out of specification Replace the crankshaftBig end side clearance: 0.350.65mm (0.01380.0256 in) Limit: 1.0 mm (0.040 in)