1. Oil pump cover
2. Drive gear
3. Driven gear
4. Front crankcase
5. O-ring
6. Oil receiver
7. Pressure reducing valve
8. Spring
9. Washer
10. Cork
1. Oil pump cover
2. Front crankcase
3. Drive gear
4. Driven gear
5. Valve
6. Spring
7. Washers
8. Cork
9. Parts of the pressure reducing valve
10. Oil receiver