Yamaha FX Nytro FX10MTRAX, Service Manual, Page: 270 / 859

4-13
POWR
TR
SECONDARY SHEAVE
DISASSEMBLY
WARNING
• Use extreme CAUTION when disassembling
the secondary sheave since serious injury
can occur due to the sudden release of spring
tension. Use the sheave compressor to con-
tain the spring tension before removing the
spring seat nuts.
• Do not attempt this procedure unless you
have the proper tools and understand the
instructions thoroughly.
INSPECTION
1. Inspect:
• Sliding sheave
• Fixed sheave
• Spring seat
Cracks/damage
→
Replace.
• Stopper
Wear/damage
→
Replace.
2. Inspect:
• Bushing (spring seat)
1
• Sliding sheave (V-belt contact surface)
2
Scratches/wear/damage
→
Replace.
• Sliding bushing
3
Unsymmetrical wear/damage
→
Replace.
3. Inspect:
• Secondary sheave spring 1
Cracks/damage
→
Replace.
4. Measure:
• Secondary sheave spring (standard) free
length
a
Below specification
→
Replace the secondary
sheave spring.
Secondary sheave spring (standard)
free length:
75.0 mm (2.95 in)