Checking The V-Belt; Checking The V-Belt Case Air Ducts; Checking The Primary Sheave; Checking The Primary Sheave Weights - Yamaha YP400T Service Manual

BELT DRIVE
EAS00320

CHECKING THE V-BELT

1. Check:
• V-belt 1
Cracks/damage/wear → Replace.
Grease/oil → Clean the primary and sec-
ondary sheaves.
2. Measure:
• V-belt width 2
Out of specification → Replace.
V-belt width
30 mm (1.18 in)
<Limit>: 27 mm (1.06 in)

CHECKING THE V-BELT CASE AIR DUCTS

1. Check:
• V-belt case air ducts
Cracks/damage → Replace.

CHECKING THE PRIMARY SHEAVE

1. Check:
• primary fixed sheave
• primary sliding sheave
• spacer
Cracks/damage/wear → Replace.
NOTE:
Replace the primary sliding sheave and spacer
as a set.
EAS00321
CHECKING THE PRIMARY SHEAVE
WEIGHTS
The following procedure applies to all of the
primary sheave weights.
1. Check:
• primary sheave weight
Cracks/damage/wear → Replace.
2. Measure:
• primary sheave weight outside diameter
Out of specification → Replace.
Primary sheave weight outside
diameter
25.0 mm (0.98 in)
<Limit>: 24.5 mm (0.96 in)
5 - 44
ENG