Yamaha SXV70ERG Supplementary Service Manual page 39

1 Chain and sprocket part number
Parts name
A
Drive sprocket Drive s rocket
E
Driven sprocket
F
Chain Chain
G
2 Gear ratio
Drive gear
A
B Driven gear
37 teeth
38 teeth
3 Secondary sheave spring
A Part no. B Spring rate
NSmm / rad
(kgSmm / rad)
90508-500B1 6003 (613)
90508-536A9 7147 (729)
90508-556A2 8314 (848)
90508-556A7 9460 (965)
4 Secondary spring twist angle
90508-500B1 (brown) / 90508-536A9 (red) / 90508-556A2 (green) / 90508-556A7 (silver)
A
Sheave
B
1
2
3
Teeth & links
B
20 teeth
21 teeth
22 teeth
23 teeth
37 teeth
38 teeth
38 teeth
68 links
70 links
20 teeth 21 teeth 22 teeth 23 teeth
1.85 1.76
68 links 68 links
1.90 1.81
68 links 68 links
C Preload D Color
N / m (kg / mm)
(lb / in)
6.2 (0.63), 35.28 Brown 5.0 (0.196)
7.3 (0.74), 41.44 Red 5.3 (0.209)
8.5 (0.87), 48.72 Green 5.5 (0.217)
10.21 (1.04), 58.24 Silver 5.5 (0.217)
Seat
0
10_
20_
30_
GEAR SELECTION
Parts no.
C
8DW-17682-00
8DW-17682-10
8DW-17682-20
8DW-17682-30
8DW-47587-70
8DW-47587-80
8FB-47587-80
94890-09068
94890-09070
1.68 1.61
68 links 68 links
1.73 1.65
68 links 70 links
E Wire F No. of G Free
gauge coils length
mm (in) mm (in)
5.19 75 (2.95)
5.53 75 (2.95)
5.53 75 (2.95)
4.86 75 (2.95)
3
40_
50_
60_
–33–
INSP
ADJ
Standard
D
SXV70/SXV70ER
SXV70
SXV70ER
SXV70/SXV70ER
H Outside I Standard
diameter
mm (in)
69.5 (2.736)
69.5 (2.736) SXV70/SXV70ER
69.5 (2.736)
69.5 (2.736)
6 9
70_ 100_
80_ 110_
90_ 120_