Selecting The Pinion Shims - Yamaha Z300A Supplementary Service Manual

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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 tools 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 fixing plate 2.
Pinion height gauge 3:
90890-06710
2. Install the pinion and pinion nut, and then
tighten the nut to the specified torque.
Pinion nut:
142 N·m (14.2 kgf·m, 104.7 ft·lb)
3. Measure the distance (M4) between the
special service tool and the pinion as
shown.
57
Lower unit
Digital caliper 4: 90890-06704
4. Turn the thrust bearing 5 two or three
times to seat the drive shaft housing 6,
and then measure the housing height
(M3) as shown.
NOTE:
Measure the thrust bearing at three points to
find the height average.
5. Calculate the pinion shim thickness (T3)
as shown in the examples below.
6D03F1X