Yamaha YZ450FF 1SL-28199-11, Owner'S Service Manual

Page: 350 / 358

CHASSIS
10-5
EAS1SL5378
REAR SHOCK ABSORBER SETTING
PARTS
• Rear shock spring “1”
*Except for USA and CAN
TIP
• The I.D. mark “a” is marked at the end of the
spring.
• Spring specification varies according to the
color of I.D. marks.
• Extent of adjustment (spring preload)
TIP
For the spring preload adjustment, refer to “AD-
JUSTING THE REAR SHOCK ABSORBER
ASSEMBLY” on page 3-30.
Type
Spring
rate N/
mm
Part number
I.D.
Mark
SOFT
52
1SL-22212-40
(Blue)
Yellow
1SL-22212-50
(Red)
54
1SL-22212-60
(Blue)
Pink
1SL-22212-70
(Red)
STD* 56
1SL-22212-20
(Blue)
White
1SL-22212-30
(Red)
STD 58
1SL-22212-00
(Blue)
Silver
1SL-22212-10
(Red)
STIFF 60
1SL-22212-80
(Blue)
Brown
1SL-22212-90
(Red)
Maximum Minimum
Position in which
the spring is turned
in 18 mm (0.71 in)
from its free length.
Position in which
the spring is turned
in 1.5 mm (0.06 in)
from its free length.