Measuring The Forward And Reverse Gear Backlash Before Disassembly - Yamaha F150B Service Manual

Measuring the forward and reverse
gear backlash before disassembly
1. Install the lower unit onto a repair stand.
2. Remove the water pump assembly. See
"Removing the water pump and shift rod"
(8-6).
3. Set the gear shift to the N position.
a
R
N F
Shift rod push arm a: 90890-06052
4. Install the special service tools, and then
tighten the center bolt d temporarily.
b
b
Bearing housing puller claw L b:
90890-06502
Stopper guide plate c: 90890-06501
Center bolt d: 90890-06504
5. Turn the lower unit so that the propeller
shaft is pointing downward.
6. Turn the drive shaft 10 times or more to
seat the taper roller bearing.
7. Tighten the center bolt d to the specified
torque while holding the drive shaft not to
turn.
c
d
Shimming (regular rotation model)
Center bolt (shimming) d:
5 N·m (0.5 kgf·m,3.7 ft·lb)
8. Turn the lower unit upright.
9. Remove the cover e, and then install the
outer plate cartridge f.
d
e
f
10
8-28
0
1
2
3
4
5
6
7
8
9
A