Honda BF15D Manual page 167

BF15DmBF20D
2. OIL PUMP
a. DISASSEMBLY
1) Remove the three 6 x 35 mm flange bolts and remove the
oil pump assembly and oil pump O-ring. Discard the
0-
ring, replace with new one when reassembly.
2) Remove the two 5 x 12 mm flange bolts and remove the
oil pump cover and cover O-ring. Discard the O-ring,
replace with new one when reassembly.
3) Remove the inner rotor, pump shaft, 4 x 15.8 mm pin and
11 mm thrust washer.
4)
Remove the outer rotor.
[11
OiL PUMP O-RING
121
OIL PUMP BODY
191
4 x 15.8
131
PUMP COVER O-RING
181
OUTER ROTOR
[71
11 mm THRUST
WASHER
181
OUTER ROTOR
[71
11 mm THRUST
WASHER
b. INSPECTION
Measure the oil pump rotor tip clearance with the pump shaft
installed.
ROTOR-TIP CLEARANCE
-
Standard
15 mm (0.6 in) max.
Service limit
0.20 mm (0.008 in)
10-5