Buell S1 Lightning Workshop Manual page 171

REMOVAL/DISASSEMBLY
NOTE
Oil pump can be removed with engine in frame and without
removing gearcase cover.
1. Drain oil from oil tank.
2. See Figure 3-45. Detach clamp (6) from oil hose. Move
rear shock rebound canister aside.
3. Disconnect feed hose
connection (5).
NOTE
Loosen nut on oil filter mount connection (5) and then remove
pressurized hose.
4. Carefully remove screws (1) and washers that secure
pump to crankcase. Pump will drop with screws
removed. Discard mounting gasket.
5. Remove clamp and return hose connection (4).
5709
2
3
1
1. Mounting screw and
washer (2)
2. Cover screw and
washer (2)
3. Feed hose connection
Figure 3-45. Oil Pump Hardware
6. See Figure 3-46. Remove cover screws (2) and washers
(3). Lift cover (6) off body (12). Remove and discard O-
ring (14).
7. Slide both pieces of feed gerotor set (7), separator plate
(8) and both pieces of scavenge gerotor set (9) off gear
shaft (11).
8. Remove and discard retaining ring (16). Remove thrust
washer (15) and gear shaft (11).
(3) and oil filter mount
4
6
1
5
2
4. Return hose
connection
5. Oil filter mount
connection
6. Clamp
b0055x3x
10
9
11
12
7
14
13
15
16
1
1. Mounting screw, long (2)
2. Cover screw, short (2)
3. Washer (4)
4. Connector
5. Hose fitting
6. Cover, oil pump
7. Gerotor assembly,
feed pump
8. Gerotor separator plate
Figure 3-46. Oil Pump
8
6
5
3
4
2
9. Gerotor assembly,
scavenge pump
10. Mounting gasket
11. Gear shaft
12. Body, oil pump
13. Elbow
14. O-ring
15. Washer, thrust
16. Retaining ring
3-35