Yamaha YZ85(R)/LC, Owner'S Service Manual

Page: 274 / 506

4 - 39
ENG
Primary drive gear
1. Install:
●
Straight key
1
5PA41160
2. Install:
●
Primary drive gear
1
●
Conical washer
2
●
Nut (primary drive gear)
3
NOTE:
●
Temporarily tighten the nut at this point.
●
Install the conical washer to the crankshaft
4
as shown in the illustration.
5PA41170
3. Install:
●
Primary driven gear
Refer to “CLUTCH AND PRIMARY
DRIVEN GEAR” section.
4. Tighten:
●
Nut (primary drive gear)
1
NOTE:
Place an aluminum plate
a
between the teeth
of the primary drive gear
2
and driven gear
3
.
5PA41180
T
R
.
.
79 Nm (7.9 m · kg, 57 ft · lb)
5. Install:
●
Dowel pin
1
●
Gasket (right crankcase cover)
2
5PA41190
KICK SHAFT, SHIFT SHAFT AND PRIMARY DRIVE GEAR