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

Measuring the forward and reverse
gear backlash before disassembly
Two pieces of washers (90201-26M00) are
required to measure the reverse gear back-
lash for the shim adjustment on the counter
rotation model. Please prepare the washers
before starting the shimming procedure.
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 drive shaft 10 times or more to
seat the taper roller bearing.
6. Tighten the center bolt d to the specified
torque while holding the drive shaft not to
turn.
c
d
Shimming (counter rotation model)
d
Center bolt d:
20 N·m (2.0 kgf·m,14.8 ft·lb)
7. Turn the lower unit upright.
8. Remove the cover e, and then install the
outer plate cartridge f.
e
f
10
8-68
0
1
2
3
4
5
6
7
8
9
A