Yamaha PZ50W Service Manual page 116

PRIMARY SHEAVE AND DRIVE V-BELT
4-5
2. Inspect:
• Primary sheave spring 1
Cracks/damage → Replace.
3. Measure:
• Primary sheave spring (standard) free length
a
Out of specification → Replace the primary
sheave spring.
Primary sheave spring (standard)
free length:
PZ50/PZ50GT/PZ50FX:
72.1 mm (2.84 in)
PZ50M:
74.1 mm (2.92 in)
PZ50VT "USA/Canada":
73.4 mm (2.89 in)
PZ50VT "Europe"/PZ50MP:
72.9 mm (2.87 in)
NOTE:
When changing the primary sheave springs, refer
to "GEAR SELECTION" in CHAPTER 2.
4. Inspect:
• Primary sheave cap bush 1
• Sliding sheave bush 2
Cracks/damage → Replace.
Clutch bushing press:
YS-42424
5. Inspect:
• Weight 1
• Roller 2
• Bushing 3
• Slider 4
• Rivet 5
• Collar
Wear/scratches/damage → Replace.
Slider inside clearance
Min. 0 mm (0 in)
Max. 0.3 mm (0.0118 in)
POWR
TR
A + A :
1 2