Yamaha WR250FM Bicycle User Manual


 
7 - 20
TUN
SETTING
EC72Q000
Rear shock absorber setting parts
Rear shock spring 1
[Equal pitch spring]
* For EUROPE
** For AUS, NZ and ZA
[Unequal pitch spring]
N
OTE:
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.
TYPE
SPRING
RATE
SPRING PART
NUMBER
I.D.
COLOR/
POINT
SPRING
FREE
LENGTH
SOFT
4.3
4.5
5UN-22212-00
5UN-22212-10
Brown/1
Green/1
260
260
* STD 4.7 5UN-22212-20 Red/1 260
4.9 5UN-22212-30 Black/1 260
STD 5.0 5UN-22212-80 Orange/1 260
** STD 5.1 5UN-22212-40 Blue/1 260
STIFF
5.3
5.5
5.7
5UN-22212-50
5UN-22212-60
5UN-22212-70
Yellow/1
Pink/1
White/1
260
260
260
TYPE
SPRING
RATE
(approx.)
SPRING
PART NUMBER
I.D.
COLOR/
POINT
SPRING
FREE
LENGTH
SOFT
STIFF
4.5
4.7
4.9
5.1
5.3
5.5
5.7
5UN-22212-A0
5UN-22212-B0
5UN-22212-C0
5UN-22212-D0
5UN-22212-E0
5UN-22212-F0
5UN-22212-G0
Green/2
Red/2
Black/2
Blue/2
Yellow/2
Pink/2
White/2
275
275
275
275
275
275
275
Extent of adjustment (spring length)
SPRING FREE
LENGTH
EXTENT OF
ADJUSTMENT
b
260 mm (10.24 in)
240.5 ~ 258.5 mm
(9.47 ~ 10.18 in)
275 mm (10.83 in)
255.5 ~ 273.5 mm
(10.06 ~ 10.77 in)