Yamaha WR450F Manuel D'atelier Du Proprietaire page 738

SETTING
EC72P000
Front fork setting parts
• Adjustment washer 1
TYPE (thickness)
T = 2.3 mm (0.09 in)
• Front fork spring 2
SPRING
TYPE
RATE
0.408
SOFT
0.418
*STD 0.428
0.438
**STD 0.449
STD 0.459
STIFF 0.469
* For EUROPE
** For AUS, NZ and ZA
NOTE:
The I.D. mark (slits) a is proved on the end of
the spring.
CAUTION:
When using a spring with a spring rate of
0.469 kg/mm, do not install two or more
adjustment washers for each front fork.
7 - 14
T U N
PART NUMBER
5XE-23364-00
I.D.
SPRING PART
MARK
NUMBER
(slits)
5TJ-23141-00
5TJ-23141-10
5TJ-23141-90
5TJ-23141-30
5TJ-23141-A0
5TJ-23141-L0
5TJ-23141-60
I
II
–
IIII
–
–
I-II