Assembling The Final Drive Pinion Gear Assembly - Yamaha YFM7FGPW Service Manual

REAR CONSTANT VELOCITY JOINTS AND FINAL
a
DRIVE GEAR
Thickness (mm)
L LLL L LLL
ASSEMBLING THE FINAL DRIVE PINION
GEAR ASSEMBLY
1
1. Tighten:
• rear drive shaft coupling gear nut (final gear
side) 1
NOTE:
Secure the final drive pinion gear teeth in the
vise with a clean rag.
M MMM M MMM
a. Tighten the nut to 80 Nm (8.0 m · kg, 58 ft · lb).
b. Secure the final drive pinion gear bearing
housing in a vice, and then turn the nut with
a torque wrench to check the starting
torque.
c. Out of specification → Tighten the nut fur-
ther.
d. Repeat step (b).
e. Repeat steps (c) and (d) until the starting
torque is within specification.
NOTE:
• Be careful not to exceed the specified start-
ing torque.
• If the specified starting torque is exceeded,
replace the expander with a new one and
reassemble the final drive pinion gear
assembly.
• Make sure that the distance a is 67.5 ~
68.1 mm (2.66 ~ 2.68 in) as shown.
L LLL L LLL
7 - 34
DRIV
Thrust washer
0.25 0.30 0.35
0.40 0.45 0.50
L L LLL L L LLL L L LLL L
LT
M M MMM M M MMM M M MMM M
Final drive pinion gear starting
torque (final drive pinion gear
preload)
0.8 ~ 1.3 Nm (0.08 ~ 0.13 m · kg)
L L LLL L L LLL L L LLL L
L LLL L LLL
M MMM M MMM
L LLL L LLL