Yamaha SXV70SJ, Supplementary Service Manual

Page: 324 / 576

8-8
– +
ELEC
B / Y B / W
B
+ –
Ω ×
1
A C
IGNITION SYSTEM
A
B
C
THROTTLE OVERRIDE SYSTEM (T.O.R.S.)
If the carburetor or throttle cable should malfunction
during operation, T.O.R.S. will operate when the
throttle lever is released.
T.O.R.S. is designed to interrupt the ignition and keep
the engine revolutions between 2,800 and 3,000
r/min if the carburetor fails to return to idle when the
lever is released.
WARNING
•
If T.O.R.S. operates, make sure that the cause
of the malfunction is corrected and that the
engine can be operated without a problem
before restarting the engine.
•
Be sure to use the standard resistance-type
spark plug and spark plug cap. Otherwise,
T.O.R.S. will not work properly.
Throttle
switch
OFF
OFF
T.O.R.S. operating
ON
OFF
Running
Idling
or
starting
OFF
ON
Running
Carburetor
switch
Status
Switch
Engine
Trouble Running
B
1
Carburetor switch
2
Throttle switch
3
Throttle cable
4
Throttle stop screw
a
ON
b
OFF
SCH8260
SCH8270
SCH8280
HANDLEBAR SWITCH (RIGHT)
Engine stop switch and throttle switch
1. Disconnect:
•
Handlebar switch (right) coupler 1
2. Connect:
•
Pocket tester
3. Check:
•
Engine stop switch continuity
Faulty
→
Replace the handlebar switch (right).
Switch position Continuity
RUN (pulled out) Yes
OFF (pushed in) No
SCH8300
SCH8290