Yamaha F40BMHD, Service Manual

Page: 340 / 537

BACKLASH
6-34
E
LOWR
BACKLASH
NOTE:
• Do not install the water pump compo-
nents when measuring the backlash.
• Measure both the forward and reverse
gear backlashes.
• If both the forward and reverse gear
backlashes are larger than specifica-
tion, the pinion gear may be too high.
• If both the forward and reverse gear
backlashes are smaller than specifica-
tion, the pinion gear may be too low.
MEASURING THE FORWARD GEAR
BACKLASH
1. Measure:
• Forward gear backlash
Out of specification
→
Adjust.
Measuring steps
(1) Set the shift rod into the neutral posi-
tion.
(2) Install the propeller shaft housing
puller so it pushes against the propeller
shaft.
1 2 3
4
Forward gear backlash
0.2-0.6 mm (0.008-0.024 in)
Shift rod wrench
YB-06052/90890-06052
Propeller shaft housing puller .....
YB-06234/90890-06503
Universal puller.............................
YB-06117
Guide plate ....................................
90890-06501
Center bolt.....................................
90890-06504
T
R
.
.
Center bolt
5 Nm (0.5 m
•
kgf, 3.6 ft
•
lb)
1
2
3
4