Yamaha F50F - Shimming; Selecting the Pinion Shims

6C13G11
6-48
1
2
3
4
5
6
7
8
9
Shimming
NOTE:
• Shimming is not required when assembling
the original lower case and inner parts.
• Shimming is required when assembling the
original inner parts and a new lower case.
• Shimming is required when replacing the
inner part(s).
Selecting the pinion shims
1. Install the special service tools onto the
drive shaft
1
and drive shaft bearing.
NOTE:
• Select the shim thickness (T3) by using the
specified measurement(s) and the calcula-
tion formula.
• Install the special service tools to the drive
shaft so that the shaft is at the center of the
hole.
• Tighten the wing nuts another 1/4 of a turn
after they contact the plate
2
.
2. Install the pinion and pinion nut, and then
tighten the nut to the specified torque.
3. Measure the distance (M) between the
special service tool and the pinion as
shown.
NOTE:
Measure the pinion at three points to find the
distance average.
Pinion height gauge plate B
2
:
90890-06712
Pinion height gauge
3
:
90890-06710
T
R
.
.
Pinion nut:
93 N·m (9.3 kgf·m, 68.6 ft·lb)
Digital caliper
4
: 90890-06704
Shimming (FT50, FT60)