Yamaha WR250F 2021 - Rear Shock Absorber Setting Parts

CHASSIS
10-5
EAM30178
REAR SHOCK ABSORBER SETTING PARTS
• Rear shock spring “1”
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
TIP
For the spring preload adjustment, refer to “AD-
JUSTING THE REAR SHOCK ABSORBER AS-
SEMBLY” on page 3-30.
STD Spring rate
N/mm
56
Type
Spring
rate
N/mm
Part number
I.D.
mark
SOFT
50
B3J-22212-00
(Blue)
Green
B3J-22212-10
(Black)
52
BR9-22212-00
(Blue)
Yellow
BR9-22212-50
(Black)
54
BR9-22212-10
(Blue)
Pink
BR9-22212-60
(Black)
56
BR9-22212-20
(Blue)
White
BR9-22212-70
(Black)
58
BR9-22212-30
(Blue)
Silver
BR9-22212-80
(Black)
60
BR9-22212-40
(Blue)
Brown
STIFF
BR9-22212-90
(Black)
1
a
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 7.0 mm (0.28 in) from
its free length.
Maximum
Position in which the spring is
turned in 18.0 mm (0.71 in) from
its free length.