Backlash; Measuring The Forward Gear Backlash - Yamaha F40BMHD Service Manual

LOWR

BACKLASH

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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.
Forward gear backlash
0.2-0.6 mm (0.008-0.024 in)
Measuring steps
(1) Set the shift rod into the neutral posi-
tion.
Shift rod wrench
YB-06052/90890-06052
(2) Install the propeller shaft housing
puller so it pushes against the propeller
shaft.
Propeller shaft housing puller .....
YB-06234/90890-06503
Universal puller.............................
YB-06117
Guide plate ....................................
90890-06501
Center bolt.....................................
90890-06504
Center bolt
5 Nm (0.5 m
6-34
E
kgf, 3.6 ft lb)
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