HYOSUNG 2010 ST7 Service Manual page 279

9-23 SERVICING INFORMATION
TRANSMISSION + DRIVE BELT
ITEM
Primary reduction ratio
Secondary reduction ratio
Gear ratio
Shift fork to groove clearance
Shift fork groove width
Shift fork thickness
Drive belt
Drive belt slack
(4.5kgf of Force)
Bend capacity of drive belt
When the rear tire is
touched the ground
When the rear tire is not
touched the ground
STANDARD
2.09 (71/34)
2.69 (78/29)
1st
2nd
3rd
4th
5th
0.10 ~ 0.30 (0.004 ~ 0.012)
NO.1 & NO.2 4.85 ~ 5.00 (0.191 ~ 0.197)
NO.3
4.85 ~ 5.00 (0.191 ~ 0.197)
NO.1 & NO.2
5.3 ~ 5.4 (0.209 ~ 0.213)
NO.3 5.3 ~ 5.4 (0.209 ~ 0.213)
Type
Width
Pitch
4.5 ~ 5.5 (0.18 ~ 0.22)
5.0 ~ 6.0 (0.20 ~ 0.24)
Inner least 102 (4.02)
Back least 204 (8.04)
2.46 (32/13)
1.78 (32/18)
1.38 (29/21)
1.13 (27/24)
0.96 (25/26)
Poly chain belt
26 (1.02)
11 (0.43)
Unit : mm (in)
LIMIT
0.50 (0.020)