Buell XB 2008 Series Service Manual page 240

PINION SHAFT BEARINGS
Bearing running clearance
Fit in oil pump body bore.
3-4 2008 XB Service: Engine
Table 3-15. Pinion Shaft (Right Main) Bearing Specifications
NEW COMPONENTS
0.00012-0.00086 in.
0.0023-0.0043 in.
0.003-0.022 mm
0.058-0.109 mm 0.0050 in.
SERVICE WEAR LIMITS
0.127 mm