Selecting The Pinion Shims - Yamaha F25C Service Manual

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.
NOTE:
• Select the shim thickness (T3) by using the
specified measurement(s) and the calcula-
tion formula.
• Install the special service tool onto 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.
Pinion height gauge plate B 2:
90890-06712
Pinion height gauge 3:
90890-06710
6D55F11
2. Install the pinion and pinion nut, and then
tighten the nut to the specified torque.
Pinion nut:
50 N·m (5.0 kgf·m, 36.9 ft·lb)
3. Measure the distance (M3) between the
special service tool and the pinion as
shown.
Digital caliper 4: 90890-06704
Shimming
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