Yamaha 2010 FX Nytro FX10X Service Manual page 570

Secondary sheave spring
Spring
identification
Part number
color code
Actual coloring
Brown 90508-500B1
Red 90508-536A9
Green 90508-556A2
Silver 90508-556A7
Pink 90508-60012
Pink-Pink 90508-60018
White 90508-60007
White-White 90508-60016
Secondary spring twist angle
Sheave
1
2
3
Standard
*1
: FX10RTRSZ/FX10XTZ/FX10M53Z
*2
: FX10Z/FX10RTRZ
*3
: FX10M53SZ/FX10M62SZ
Spring rate
Torsion Compression
N•mm/rad N/mm (kgf/mm)
(kgf•mm/rad) (lbf/in)
6003 (613) 6.2 (0.63), 35.40
7147 (729) 7.3 (0.74), 41.68
8314 (848) 8.5 (0.87), 48.53
9460 (965) 10.2 (1.04), 58.24
11876 (1211) 12.3 (1.26), 70.23
11876 (1211) 12.3 (1.26), 70.23
12654 (1290) 13.5 (1.38) 77.08
12654 (1290) 13.5 (1.38) 77.08
Seat
0
10°
20°
30°
CLUTCH
Wire
No. of
gauge length
coils
mm (in) mm (in)
5.0 (0.197) 5.19 75 (2.95)
5.3 (0.209) 5.53 75 (2.95)
5.5 (0.217) 5.53 75 (2.95)
5.5 (0.217) 4.86 75 (2.95)
6.0 (0.236) 5.53 75 (2.95)
6.0 (0.236) 5.53 75 (2.95)
6.0 (0.236) 5.19 75 (2.95)
6.0 (0.236) 5.19 75 (2.95)
3
40° 70°
50° 80°
*3
60° 90°
20
INSP
ADJ
Free Outside
diameter Standard
mm (in)
69.5 (2.74)
69.5 (2.74)
69.5 (2.74)
69.5 (2.74)
69.5 (2.74) FX10RTRSZ
FX10Z/
69.5 (2.74) FX10RTRZ/
FX10M53Z
69.5 (2.74)
FX10XTZ/
69.5 (2.74) FX10M53SZ/
FX10M62SZ
6 9
*1
100°
*2
110°
120°