Yamaha Mio User Manual

4 - 50
ENG
BELT DRIVE
EAS00320
CHECKING THE V-BELT
1. Check:
• V-belt
1
Cracks/damage/wear
→
Replace.
Grease/oil
→
Clean the primary and sec-
ondary sheave.
2. Measure:
• V-belt width
a
Out of specification
→
Replace.
V-belt width
18.2 mm (0.72 in)
<Limit>: 17.2 mm (0.68 in)
1
a
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
a
Out of specification
→
Replace.
Primary sheave weight outside
diameter
15 mm (0.59 in)
<Limit>: 14.5 mm (0.57 in)
a
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.

Yamaha Mio Specifications

General

Brand	Yamaha
Model	Mio
Category	Scooter
Language	English