Yamaha YZ-Serie Fahrer- Und Wartungshandbuch Seite 266

KICK SHAFT, SHIFT SHAFT AND PRIMARY DRIVE GEAR
REMOVAL POINTS
Primary drive gear
1. Loosen:
Nut (primary drive gear) 1
G
NOTE:
Place an aluminum plate a between the teeth
of the primary drive gear 2 and driven gear
3.
5PA40980
Kick shaft assembly
1. Remove:
Kick shaft assembly 1
G
NOTE:
Unhook the torsion spring 2 from the hole a
in the crankcase.
5PA40990
INSPECTION
Kick shaft and kick gear
1. Check:
Kick gear smooth movement
G
Unsmooth movement → Replace.
2. Inspect:
Kick shaft 1
G
Wear/damage → Replace.
5PA41000
Kick gear, kick idle gear
1. Inspect:
Kick gear 1
G
Kick idle gear 2
G
Gear teeth a
G
Wear/damage → Replace.
5PA41010
Kick gear clip
1. Measure:
Kick clip friction force
G
Out of specification → Replace.
Use a spring gauge 1.
Kick clip friction force:
5PA41020
4 - 35
ENG
0.6 ~ 1.5 kg (1.3 ~ 3.3 lb)