Measuring The Middle Gear Backlash - Yamaha 5YF2-AE1 Service Manual

MIDDLE GEAR
EBS00376
MEASURING THE MIDDLE GEAR
BACKLASH
1. Measure:
• middle gear lash
Middle gear lash
0.17 ~ 0.31 mm (0.007 ~ 0.012 in)
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a. Temporarily install the drive axle/middle
drive pinion gear assembly and middle
driven pinion gear.
b. Attach the pinion gear fix clamp 1 to the
drive axle/middle drive pinion gear assem-
bly.
Pinion gear fix clamp
P/N. YM-04129, 90890-04129
NOTE:
Tighten the bolt on one corner of the pinion
gear fix clamp as shown to secure the pinion
gear fix clamp.
c. Attach the gear lash measurement tool 2
and dial gauge 3.
Gear lash measurement tool
P/N. YM-01467, 90890-01467
a 25.2 mm (0.99 in)
d. Measure the gear lash while rotating the
middle driven shaft back and forth.
NOTE:
_
Measure the gear lash at 4 positions. Rotate
the middle driven gear 90° each time.
e. If the gear lash is incorrect, adjust the gear
lash by middle driven gear shim(s).
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4 - 66
ENG
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M MMM M MMM
L LLL L LLL