HYOSUNG RX 125 Service Manual page 168

7-17 SERVICING INFORMATION
TRANSMISSION+DRIVE CHAIN
ITEM
Primary reduction ratio
Final reduction ratio
Gear ratios
Shift fork to groove clearance
Shift fork groove width
Shift fork thickness
Countershaft length(Low to 2nd)
Drive chain
Drive chain slack
STANDARD
3.500 (70/20)
3.357 (47/14)
Low
2nd
3rd
4th
Top
0.10-0.30
No. 1, NO. 2
No. 3
No. 1, NO. 2
No. 3
88.0
Type
Links
20 pitch length
50-60
2.750 (33/12)
1.785 (25/14)
1.368 (26/19)
1.045 (23/22)
0.913 (21/23)
5.0-5.1
5.5-5.6
4.8-4.9
5.3-5.4
+ 0.1
- 0.2
428 H
132 Links
Unit : mm except ratio
LIMIT
-
-
-
-
-
-
-
0.50
-
-
-
-
-
-
-
259.4
-