HYOSUNG WOW90 Service Manual page 47

3-19 ENGINE
◉ DRIVE V-BELT
Remove the drive V-belt and check for cracks, wear and
separation. Measure the belt width with a vernier
calipers. Replace it if the belt width is less than the ser-
vice limit or any defect has been found.
Drive V-belt width
CAUTION
Always keep the belt away from any greasy material.
◉ DRIVE FACE
Inspect the belt contact surface of the drive faces for
wear, scratches or any abnormality. If there is some-
thing unusual, replace the drive face with a new one.
◉ ROLLER AND MOVABLE DRIVE FACE
Inspect each roller and movable drive face for wear or
damage.
◉ MOVABLE DRIVEN SPRING
Measure the free length of the movable driven spring. If
the length is shorter than the service limit, replace the
spring with a new one.
Movable driven spring
free length
Service limit
16.0 mm (0.630 in)
Service limit
130.0 mm (5.118 in)
130.0 mm (5.118 in)