Yamaha 2003 YZ450FR Owner's Service Manual page 299

SETTING
EC72Q000
Rear shock absorber setting parts
Rear shock spring 1
G
[Equal pitch spring]
SPRING SPRING
TYPE
RATE PART NUMBER
4.3 5UN-22212-00
4.5 5UN-22212-10
SOFT 4.7 5UN-22212-20
4.9 5UN-22212-30
5.1 5UN-22212-40
STD 5.3 5UN-22212-50 Yellow/1
5.5 5UN-22212-60
STIFF
5.7 5UN-22212-70
[Unequal pitch spring]
SPRING
SPRING
TYPE RATE
PART NUMBER
(approx.)
4.5 5UN-22212-A0
4.7 5UN-22212-B0
SOFT
4.9 5UN-22212-C0
5.1 5UN-22212-D0
*STD 5.3 5UN-22212-E0 Yellow/2
5.5 5UN-22212-F0
STIFF
5.7 5UN-22212-G0
*For EUROPE
NOTE:
The unequal pitch spring is softer in initial
G
characteristic than the equal pitch spring and
is difficult to bottom out under full compres-
sion.
The I.D. color a is marked at the end of the
G
spring.
Extent of adjustment (spring length)
G
SPRING FREE
LENGTH
260 mm (10.24 in)
275 mm (10.83 in)
7 - 19
T U N
I.D. SPRING
COLOR/ FREE
POINT LENGTH
Brown/1 260
Green/1 260
Red/1 260
Black/1 260
Blue/1 260
260
Pink/1 260
White/1 260
I.D. SPRING
COLOR/ FREE
POINT LENGTH
Green/2 275
Red/2 275
Black/2 275
Blue/2 275
275
Pink/2 275
White/2 275
EXTENT OF
ADJUSTMENT b
240.5 ~ 258.5 mm
(9.47 ~ 10.18 in)
255.5 ~ 273.5 mm
(10.06 ~ 10.77 in)