Yamaha RS90K, Service Manual

Page: 268 / 841

4-5
POWR
TR
PRIMARY SHEAVE AND DRIVE V-BELT
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.
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.
Primary sheave spring (standard)
free length:
RS90/RS90R:
87.4 mm (3.44 in)
RSG90:
93.4 mm (3.68 in)
RS90M:
89.8 mm (3.54 in)
RST90 “USA/Canada”:
89.0 mm (3.50 in)
RST90 “Europe”/RST90TF:
89.4 mm (3.52 in)
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)
A
1
A
2