Checking The V-Belt; Checking The Primary Sheave Weights; Checking The Secondary Sheave - Yamaha YP250R 2005 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
23.0 mm (0.91 in)
<Limit>: 21.0 mm (0.83 in)
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
20.0 mm (0.79 in)
<Limit>: 19.5 mm (0.77 in)
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.
5 - 42
ENG