Yamaha YZ450F, Owner'S Service Manual

Page: 638 / 650

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T U N
SETTING
EC72Q000
Rear shock absorber setting parts
• Rear shock spring
1
[Equal-pitch titanium spring]
[Equal-pitch steel spring]
[Unequal-pitch steel spring]
CAUTION:
Install the spring seat
2
to the titanium
spring.
NOTE:
• 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
a
is marked at the end of the
spring.
• Spring specification varies according to the
color and quantity of I.D. marks.
TYPE
SPRING
RATE
SPRING
PART NUMBER
I.D.
MARK
SPRING
FREE
LENGTH
(approx.)
SOFT
4.5
4.7
4.9
5.1
5.3 1C3-22212-00
1C3-22212-10
1C3-22212-20
1C3-22212-30
1C3-22212-40 Green
Red
Black
Blue
Yellow
265
265
265
265
275
STD 5.5 1C3-22212-50 Pink 275
STIFF 5.7 1C3-22212-60 White 275
TYPE
SPRING
RATE
SPRING
PART NUMBER
I.D.
MARK/
Q’TY
SPRING
FREE
LENGTH
4.3 5UN-22212-00 Brown/1 260
TYPE
SPRING
RATE
(approx.)
SPRING
PART NUMBER
I.D.
MARK/
Q’TY
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
a
2
1
2