1. | O-ring | 2. | Oil pump assembly | 3. | Suction pipe
4. | Scavenging pump outlet pipe |  |  |  |
A. | Rear cover | B. | Scavenging pump outer rotor | C. | Scavenging pump inner rotor
D. | Oil pump housing | E. | Oil pump outer rotor | F. | Shaft
G. | Oil pump inner rotor | H. | Oil pump cover | I. | Regulator valve
J. | Regulator valve spring | K. | Regulator valve plug |  |
Refer to Components for symbols in the figure.

■ CAUTION ■
Never remove oil pump inner rotor from shaft.