INSP
ADJ
19
Secondary sheave spring
Secondary spring twist angle
Part no.
Spring rate
N•mm/rad
(kg•mm/ rad)
Preload
N/mm (kg / mm)
(lb/in)
Color
Wire
gauge
mm (in)
No. of
coils
Free
length
mm (in)
Outside
diameter
mm (in)
Standard
90508-500B1
6003 (613)
6.2 (0.63), 35.28
Brown
5.0 (0.196)
5.19
75 (2.95)
69.5 (2.736)
90508-536A9
7147 (729)
7.3 (0.74), 41.44
Red
5.3 (0.209)
5.53
75 (2.95)
69.5 (2.736)
90508-556A2
8314 (848)
8.5 (0.87), 48.72
Green
5.5 (0.217)
5.53
75 (2.95)
69.5 (2.736)
90508-556A7
9460 (965)
10.21 (1.04), 58.24
Silver
5.5 (0.217)
4.86
75 (2.95)
69.5 (2.736)
90508-60012
11876 (1211)
12.32 (1.256), 70.34
Pink
6.0 (0.236)
5.53
75 (2.95)
69.5 (2.736)
RS90RX / RS90GTX /
RS90GTAX /
RS90LTX /
RS90LTGTX
90508-60007
12654 (1290)
13.45 (1.372), 76.84
White
6.0 (0.236)
5.19
75 (2.95)
69.5 (2.736)
Seat
Sheave
0
3
6
9
1
10°
40°
70°
100°
2
20°
50°
80°
110°
3
30°
60°
90°
120°
Torque cam (secondary spring seat)
Identification mark
Effects
Part no.
Cam angle
Identification mark
Standard
Quicker upshifting
during acceleration
Quicker
backshifting
under load
8FA-17604-00
51-43°
8BVFA
8BV-17604-71
47°
8BV71
8BV-17604-51
45°
8BV51
8BV-17604-31
43°
8BV31
RS90RX/
RS90GTX/
RS90GTAX/
RS90LTX/
RS90LTGTX
8BV-17604-11
41°
8BV11
8BV-17604-91
39°
8BV91
GEAR SELECTION