Yamaha YZ450FT Owner's Service Manual page 303

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