6 - 10
–
+
ELEC
THROTTLE POSITION SENSOR SYSTEM
4. Install:
●
Throttle position sensor coupler
5. Adjust:
●
Engine idling speed
Refer to “ENGINE IDLING SPEED
ADJUSTMENT” section in the CHAP-
TER 3.
6. Insert the thin electric conductors
2
(lead) into the throttle position sensor
coupler
1
, as shown, and connect the
tester to them.
CAUTION:
●
Do not insert the electric conductors
more than required because it may
reduce the waterproof function of the
coupler.
●
Make sure that a short-circuit does not
develop between the terminals because it
may cause damage to electrical com-
ponents.
7. Start the engine.
Tester (+) lead
→
Yellow lead
3
Tester (–) lead
→
Black lead
4
8. Adjust:
●
Throttle position sensor output voltage
Adjustment steps:
Adjust the installation angle of the throttle
position sensor
1
to obtain the specified out-
put voltage.
NOTE:
Measure the output voltage accurately with a
digital electronic voltmeter that gives an easy
reading of a small voltage.
Throttle posi-
tion sensor out-
put voltage
Tester selector
position
0.58 ~ 0.78 V
DCV
Содержание YZ250F(P)/LC
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Страница 666: ...PRINTED IN JAPAN 2001 8 1 7 1 CR E F G H PRINTED ON RECYCLED PAPER YAMAHA MOTOR CO LTD 2500 SHINGAI IWATA SHIZUOKA JAPAN...