Yamaha Mio - Checking the V-Belt

3 - 20
CHK
ADJ
CLEANING THE AIR FILTER ELEMENT/
CHECKING THE V-BELT
4. Install:
• air filter element
• air filter case cover
CAUTION:
_
Never operate the engine without the air fil-
ter element installed. Unfiltered air will
cause rapid wear of engine parts and may
damage the engine. Operating the engine
without the air filter element will also affect
the carburetor tuning, leading to poor
engine performance and possible overheat-
ing.
NOTE:
_
When installing the air filter element into the air
filter case cover, make sure their sealing sur-
faces are aligned to prevent any air leaks.
EAS00320
CHECKING THE V-BELT
1. Remove:
• V-belt case cover
Refer to “KICKSTARTER” in chapter 4.
2. Check:
• V-belt 1
Cranks/damage/wear → Replace.
Grease/oil → Clean the primary and sec-
ondary sheaves.
Refer to “BELT DRIVE” in chapter 4.
3. Measure:
• V-belt width a
Out of specification → Replace.
Refer to “BELT DRIVE” in chapter 4.
4. Install:
• V-belt case cover
Refer to “KICKSTARTER” in chapter 4.
V-belt width
18.2 mm (0.72 in)
<Limit>: 17.2 mm (0.68 in)
1
a