Yamaha YZ450F, Owner'S Service Manual

Page: 632 / 650

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T U N
EC72P000
Front fork setting parts
• Front fork spring
1
* For EUROPE
NOTE:
The I.D. mark (slits)
a
is proved on the end of
the spring.
TYPE
SPRING
RATE
SPRING
PART NUMBER
I.D.
MARK
(slits)
SOFT
0.398
0.408
0.418
0.428
0.438
0.449 1C3-23141-A0
1C3-23141-B0
1C3-23141-C0
1C3-23141-D0
1C3-23141-E0
1C3-23141-F0
I
II
III
IIII
IIIII
I-I
*STD 0.459 2S2-23141-M0 –
STD 0.469 2S2-23141-L0 –
STIFF 0.479 1C3-23141-J0 I-IIII
EC72B000
Rear suspension setting
The rear suspension setting should be made
depending on the rider’s feeling of an actual
run and the circuit conditions.
The rear suspension setting includes the fol-
lowing two factors:
1. Setting of spring preload
• Change the set length of the spring.
• Change the spring.
2. Setting of damping force
• Change the rebound damping.
• Change the compression damping.
SETTING