Yamaha YZ250(W)/W1, Owner'S Service Manual

Page: 582 / 596

7-19
SETTING
TUN
EC72Q011
Rear shock absorber setting parts
9
Rear shock spring
1
[Equal-pitch titanium spring ]
[Equal-pitch steel spring ]
[Unequal-pitch steel spring ]
c C
Install the spring seat
2
to the titanium
spring.
NOTE:
9
The unequal-pitch spring is softer in initial char-
acteristic than the equal-pitch spring and is diffi-
cult to bottom out under full compression.
9
The I.D. mark
a
is marked at the end of the
spring.
9
Spring specification varies according to the
color and quantity of I.D. marks.
SPRING SPRING
I.D. SPRING
TYPE
RATE PART NUMBER
MARK FREE
/Q’TY LENGTH
SOFT 4.3 5UN-22212-00 Brown/1 260
5.3 5UN-22212-50 Yellow/1 260
5.5 5UN-22212-60 Pink/1 260
STIFF 5.7 5UN-22212-70 White/1 260
SPRING
SPRING
I.D. SPRING
TYPE RATE
PART NUMBER
MARK FREE
(approx.) /Q’TY LENGTH
SOFT 4.5 5UN-22212-A0 Green/2 275
4.7 5UN-22212-B0 Red/2 275
4.9 5UN-22212-C0 Black/2 275
5.1 5UN-22212-D0 Blue/2 275
5.3 5UN-22212-E0 Yellow/2 275
5.5 5UN-22212-F0 Pink/2 275
STIFF 5.7 5UN-22212-G0 White/2 275
SPRING
TYPE
SPRING SPRING I.D. FREE
RATE PART NUMBER MARK LENGTH
(approx.)
SOFT
4.5 1C3-22212-00 Green 265
4.7 1C3-22212-10 Red 265
STD 4.9 1C3-22212-20 Black 265
STIFF 5.1 1C3-22212-30 Blue 265
1P8-9-32-7 4/28/06 3:48 PM Page 42