2006 YAMAHA YZ450F ad blue

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–+ELECTPS (THROTTLE POSITION SENSOR) SYSTEM
10. Put the aligning marks a on the TPS and
carburetor.
11. Stop the engine.
12. Remove the carburetor.
a
13. Tighten:
•Screw (TPS) 1
NOTE:
Tighten the screws (TPS) using the T25 bit.
14. Install the carburetor.
1
EC694000
TPS INPUT VOLTAGE INSPECTION
1. Disconnect the TPS coupler.
2. Start the engine.
3. Inspect:
•TPS input voltage
Out of specification → Replace the CDI
unit.
Tester (+) lead
→ Blue lead
1
Tester (–) lead
→ Black/Blue lead
2
TPS input
voltageTester selector
position
4 ~ 6 V DCV-20

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TUNSETTING
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.
TYPESPRING
RATESPRING
PART NUMBERI.D.
MARKSPRING
FREE
LENGTH
(approx.)
SOFT4.5
4.7
4.9
5.1
5.31C3-22212-00
1C3-22212-10
1C3-22212-20
1C3-22212-30
1C3-22212-40Green
Red
Black
Blue
Yellow265
265
265
265
275
STD 5.5 1C3-22212-50 Pink 275
STIFF 5.7 1C3-22212-60 White 275
TYPESPRING
RATESPRING
PART NUMBERI.D.
MARK/
Q’TYSPRING
FREE
LENGTH
4.3 5UN-22212-00 Brown/1 260
TYPESPRING
RATE
(approx.)SPRING
PART NUMBERI.D.
MARK/
Q’TYSPRING
FREE
LENGTH
SOFT
STIFF4.5
4.7
4.9
5.1
5.3
5.5
5.75UN-22212-A0
5UN-22212-B0
5UN-22212-C0
5UN-22212-D0
5UN-22212-E0
5UN-22212-F0
5UN-22212-G0Green/2
Red/2
Black/2
Blue/2
Yellow/2
Pink/2
White/2275
275
275
275
275
275
275
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