Cylinder Head Assembly Disassembly - Honda BF40D Manual

3. CYLINDER HEAD ASSEMBLY
DISASSEMBLY
1
• Mark the removed parts (e.g. valves, springs and other
2
related parts) and store them securely, grouping them by
intake side and exhaust side for each cylinder.
3
Install each part in the original position securely.
1) Remove the cylinder head assembly from the outboard
4
motor (P. 9-4).
5
2) Loosen the rocker arm valve adjusting lock nut, and loosen
the valve adjusting screw fully.
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7
8
9
10
11
12
3) Remove the four 6 x 55 mm flange bolts, and remove the
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oil pump assembly and the pump cover O-ring.
Replace the O-ring with a new one on reassembly.
14
15
16
17
18
19
20
9-6
[1]
VALVE ADJUSTING LOCK NUT
[2]
[3]
VALVE ADJUSTING SCREW
ROCKER ARM
[1]
OIL PUMP ASSEMBLY
6 x 55 (4)
98
[2]
PUMP COVER O-RING