Yamaha 55DEHD Service Manual page 209

Gear pump
4 N·m (0.4 kgf·m, 3.0 ft·lb)
No. Part name
1 Spring
2 Filter
3 Bolt
4 Pin
5 Gear housing 1
6 Ball
7 Driven gear
8 Drive gear
9 Gear housing 2
10 O-ring
11 Down-relief spring
12 Valve support pin
13 Main valve seal
14 Gear pump assembly
6885J11
Q'ty
1
1
M4 × 25 mm
4
2
1
2
1
1
1
2
Not reusable
1
1
1
1
PTT motor / Gear pump
4 N·m (0.4 kgf·m, 3.0 ft·lb)
6887140E
Remarks
7-46
1
2
3
4
5
6
7
8
9