Rear Shock Absorber Setting Parts - Yamaha YZ250FXM 2021 Owner's Service Manual

EAM30178

REAR SHOCK ABSORBER SETTING PARTS

• Rear shock spring "1"
STD Spring rate
N/mm
Spring
Type rate Part number
N/mm
B3J-22212-00
SOFT
50
B3J-22212-10
BR9-22212-00
52
BR9-22212-50
BR9-22212-10
54
BR9-22212-60
BR9-22212-20
56
BR9-22212-70
BR9-22212-30
58
BR9-22212-80
BR9-22212-40
60
BR9-22212-90
STIFF
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.
• Spring preload adjusting positions
56
I.D.
mark
(Blue)
Green
(Black)
(Blue)
Yellow
(Black)
(Blue)
Pink
(Black)
(Blue)
White
(Black)
(Blue)
Silver
(Black)
(Blue)
Brown
(Black)
1
a
10-5
Spring preload adjusting positions
Minimum
Position in which the spring is
turned in 1.5 mm (0.06 in) from
its free length.
Standard
Position in which the spring is
turned in 8.0 mm (0.31 in) from
its free length.
Maximum
Position in which the spring is
turned in 18.0 mm (0.71 in) from
its free length.
TIP
For the spring preload adjustment, refer to "AD-
JUSTING THE REAR SHOCK ABSORBER AS-
SEMBLY" on page 3-30.
CHASSIS