2003 2005 YFM45FAR, YFM450FAR Kodiak OEM Service Manual, Page 199Get this manual
CRANKSHAFT AND OIL PUMP
3.Check: Oil pump operation Unsmooth Repeat steps #1 and #2 or replace the defective parts
CHECKING THE CRANKSHAFT 1.Measure: Crank width Out of specification Replace the crankshaftCrank width: 62.9563.00 mm (2.47832.4803 in)
Side clearance Out of specification Replace the crankshaftBig end side clearance: 0.250.75 mm (0.00980.0295 in) Limit: 1.00 mm (0.0394 in)