Checking The Secondary Sheave; Checking The Clutch Shoes - Yamaha 2004 YP400 Service Manual

BELT DRIVE
EAS00322

CHECKING THE SECONDARY SHEAVE

1. Check:
• secondary fixed sheave
• secondary sliding sheave
Cracks/damage/wear → Replace the sec-
ondary fixed and sliding sheaves as a set.
2. Check:
• torque cam groove 1
Damage/wear → Replace the secondary
fixed and sliding sheaves as a set.
3. Check:
• guide pin 2
Damage/wear → Replace the secondary
fixed and sliding sheaves as a set.

CHECKING THE CLUTCH SHOES

The following procedure applies to all of the
clutch shoes.
1. Check:
• clutch shoe
Damage/wear → Replace the clutch shoes
and springs as a set.
Glazed areas → Sand with coarse sandpa-
per.
Clutch shoe thickness
4.0 mm (0.16 in)
<Limit>: 2.5 mm (0.10 in)
NOTE:
After sanding the glazed areas, clean the
clutch with a cloth.
2. Measure:
• clutch shoe thickness
Out of specification → Replace the clutch
shoes and springs as a set.
5 - 45
ENG