Yamaha Vector RS90RX 2008 Supplementary Service Manual page 23

Chain and sprocket part number
Parts name
Drive sprocket
Driven sprocket
Chain
Gear ratio
Drive gear
Driven gear
37 teeth
38 teeth
39 teeth
40 teeth
Teeth & links Parts no.
18 teeth 8FA-17682-80
19 teeth 8FA-17682-90
20 teeth 8FA-17682-00
21 teeth 8FA-17682-10
22 teeth 8FA-17682-20
23 teeth 8FA-17682-30
24 teeth 8FA-17682-40
37 teeth 8DW-47587-71
38 teeth 8DW-47587-81
38 teeth 8FB-47587-80
39 teeth 8DW-47587-91
39 teeth 8FB-47580-90
40 teeth 8DW-47587-01
40 teeth 8FB-47580-00
68 links 94890-09068
70 links 94890-09070
18 teeth 19 teeth 20 teeth 21 teeth 22 teeth 23 teeth 24 teeth
2.17 2.05
68 links 68 links
2.22 2.11
68 links 68 links
18
GEAR SELECTION
RS90RX/RS90GTX/RS90GTAX
RS90LTX/RS90LTGTX
RS90RX/RS90GTX/RS90GTAX
RS90LTX/RS90LTGTX
RS90RX/RS90GTX/RS90GTAX
RS90LTX/RS90LTGTX
1.76 1.68
68 links 68 links
1.90 1.81 1.73
68 links 68 links 68 links
1.95 1.86 1.77
68 links 68 links 70 links
2.00 1.91 1.82
68 links 70 links 70 links
INSP
ADJ
Standard
1.61 1.54
68 links 70 links
1.65 1.58
70 links 70 links
1.70 1.63
70 links 70 links
1.74 1.67
70 links 70 links