Yamaha YZ426F 2001 Manuel D'atelier Du Proprietaire page 616

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EC72P000
Front fork setting parts
G
G
[Equal pitch spring]
* For EUROPE
[Unequal pitch spring]
NOTE:
G
G
7 - 15
SETTING
Adjustment washer 1
TYPE (thickness)
T = 2.3 mm (0.09 in)
Front fork spring 2
SPRING SPRING
TYPE
RATE PART NUMBER
0.380 4SS-23141-10
0.390 4SS-23141-20
0.400 4SS-23141-30
SOFT 0.410 4SS-23141-40
0.420 4SS-23141-50
0.430 4SS-23141-60
0.440 4SS-23141-70
*STD 0.450 5BE-23141-L0
STD 0.460 5GR-23141-L0
STIFF 0.470 5GR-23141-00
SPRING
SPRING
TYPE RATE
PART NUMBER
(approx.)
SOFT 0.400 5ET-23141-20
0.410 5ET-23141-00
0.420 5ET-23141-30
0.430 5ET-23141-10
STIFF 0.440 5ET-23141-40
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. mark (slits) a is proved on the end
of the spring.
T U N
PART NUMBER
4SS-23364-L0
I.D.
MARK
(slits)
I-I
I-II
I-III
I
II
III
IIII
–
–
II-II
I.D.
MARK
(slits)
V
V-I
V-II
V-III
V-IIII