Service Manual
8-23
Table of Contents
Inspection
Twin Cylinder Engine Service Manual
February 2017 - Digital Edition
ENGINE INSPECTION AND RECONDITIONING
Lower End Inspection and Reconditioning (Cont.)
Oil Pump
1. Inspect the gerotor inner and outer for damage; chips, scuffs or broken gear (Figure 23).
2. Inspect the oil pump shaft for wear.
3. Inspect for scufng between the gerotor and cover.
NOTE: Replace oil pump assembly if damaged.
4. Inspect cover plate for warpage.
NOTE: Replace cover if warped.
Figure 23
A
B
C
D
E
A. O-Ring
B. Inner Rotor
C. Oil Pump Shaft
D. Outer Rotor
E. Oil Pump Cover