Selecting The Pinion Shims - Yamaha 25BMH Service Manual

LOWR
2
1
SHIMMING
M

SELECTING THE PINION SHIMS

NOTE:
Select the shim thickness (T3) by using the
specified measurement(s) and the calcula-
tion formula.
Select:
• Shim thickness (T3)
Selecting steps
(1) Install the pinion height gauge, drive
shaft and bearing (with bearing race).
Pinion height gauge .....................
90890-06702
Drive shaft holder 3 ......................
90890-06517
NOTE:
• Attach the pinion height gauge to the
drive shaft so that the shaft is at the
center of the hole.
• After the wing nuts contact the fixing
plate, tighten them another 1/4 of a
turn.
(2) Install the pinion gear and pinion gear
nut.
Pinion gear nut
50 N
•
(3) Measure (M).
Digital caliper
90890-06704
NOTE:
• Measure the clearance between the
pinion height gauge and the pinion, as
shown.
• Perform the same measurement at three
points on the pinion.
• Find the average of the measurements
(M).
• When using the digital caliper, be sure
to place it at right angles to the pinion.
Otherwise, measurement will be incor-
rect.
6-22
m (5.0 kgf m, 37 ft
• •
E
1
2
lb)