Yamaha RST90GTY, Service Manual

Page: 40 / 299

10
INSP
ADJ
GEAR SELECTION
1
Chain and sprocket part number
2
Gear ratio
3
Secondary sheave spring
4
Secondary spring twist angle
È
Parts name
É
Teeth & links
Ê
Parts no.
Ë
Standard
Ì
Drive sprocket
18 teeth 8FA-17682-80
19 teeth 8FA-17682-90
20 teeth 8FA-17682-00 RST90GT “Europe”/
RST90TF “Europe”
21 teeth 8FA-17682-10 RST90TF “Canada”
22 teeth 8FA-17682-20
23 teeth 8FA-17682-30 RST90GT “Canada”
24 teeth 8FA-17682-40
Í
Driven sprocket
38 teeth 8FB-47587-80
39 teeth 8FB-47587-90 RST90GT/RST90TF
40 teeth 8FB-47587-00
Î
Chain
68 links 94890-09068 RST90GT “Europe”/
RST90TF
70 links 94890-09070 RST90GT “Canada”
È
Drive gear
18 teeth 19 teeth 20 teeth 21 teeth 22 teeth 23 teeth 24 teeth
É
Driven gear
38 teeth — —
1.90
68 links
1.81
68 links
1.73
68 links
1.65
70 links
1.58
70 links
39 teeth
2.17
68 links
2.05
68 links
1.95
68 links
1.86
68 links
1.77
70 links
1.70
70 links
1.63
70 links
40 teeth
2.22
68 links
2.11
68 links
2.00
68 links
1.91
70 links
1.82
70 links
1.74
70 links
1.67
70 links
È
Part No.
É
Spring rate
N · mm/rad
(kgf · mm/rad)
Ê
Preload
N/mm (kgf/mm)
(lbf/in)
Ë
Color
Ì
Wire gauge
mm (in)
Í
No. of coils
Î
Free length
mm (in)
Ï
Outside
diameter
mm (in)
Ð
Standard
90508-500B1 6003 (612.6) 6.19 (0.631), 35.34 Brown 5.0 (0.197) 5.19 75 (2.95) 69.5 (2.74)
90508-536A9 7147 (729.3) 7.25 (0.740), 41.40 Red 5.3 (0.209) 5.53 75 (2.95) 69.5 (2.74)
90508-556A2 8314 (848.4) 8.49 (0.866), 48.48 Green 5.5 (0.217) 5.53 75 (2.95) 69.5 (2.74)
90508-556A7 9460 (965.3)
10.18 (1.039),
58.13
Silver 5.5 (0.217) 4.86 75 (2.95) 69.5 (2.74)
90508-60012 11876 (1211.0) 12.32 (1.26), 70.35 Pink 6.0 (0.236) 5.53 75 (2.95) 69.5 (2.74) RST90GT “Canada”
90508-60007 12654 (1290.3) 13.45 (1.37) 76.80 White 6.0 (0.236) 5.19 75 (2.95) 69.5 (2.74)
RST90GT “Europe”/
RST90TF
È
Seat
0 3 6 9
É
Sheave
1 10° 40° 70° 100°
2 20° 50° 80° 110°
3 30° 60° 90° 120°