Yamaha YW50AP, Service Manual, Page: 53 / 214

INSP
ADJ
3-14
V-BELT INSPECTION
1. Remove:
8
Kick crank
1
8
Screws
2
8
Crankcase cover 2(left)
3
8
Screws(Air cleaner and left crankcase
cover
4
8
Crankcase cover 1(left)
5
V-BELT INSPECTION
1
a
1
3
2
4
5
2. Inspect
8
V-belt
1
Cracks/Wear/Damage
→
Replace.
Oil or grease adhere to the
V-belt
→
Check the primary and second-
ary sheaves.
Refer to “ENGINE OVERHAUL - INSPEC-
TION AND REPAIR” section in the CHAP-
TER 4.
3. Measure:
8
V-belt width
a
Out of specification
→
Replace.
Refer to “ENGINE OVERHAUL” section
in the CHAPTER 4.
V-belt width:
16.6 mm (0.65 in)
<Limit> 14.6 mm (0.57 in)
NOTE:
Measure the V-belt width on several points.
4. Install:
8
Crankcase cover 1 (left)
12Nm(1.2m.kg, 8.4 ft.lb)
8
Air cleaner
9Nm(0.9m.kg, 6.5 ft.lb)
8
Crankcase cover 2 (left)
7Nm(0.7m.kg, 5.1 ft.lb
8
Kick crank
9Nm(0.9m.kg, 6.5 ft.lb)
T
R
.
.
T
R
.
.
T
R
.
.
T
R
.
.