2003 Yamaha Motorsports VK 540 lll Owners Manual - Page 18

2003 Yamaha Motorsports VK 540 lll Manual

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ESU00022 816-001 THROTTLE LEVER Once the engine is running cleanly, squeezing 2 of the throttle lever 1 will increase the engine speed and cause engagement of the drive system. Regulate the speed of the machine by varying the throttle position. Because the throttle is spring-loaded, the machine will decelerate, and the engine will return to an idle when the thumb is released 3. WARNING Check throttle, brake, and steering for proper operation before starting engine. ESU00025 THROTTLE OVERRIDE SYSTEM (T.O.R.S.) If the carburetor or throttle cable should malfunction during operation, release the throttle lever. The T.O.R.S. is designed to interrupt the ignition and stop the engine if the carburetor fails to return to idle when the lever is released. WARNING A If T.O.R.S. stops the engine, make sure that the cause of the malfunction has been corrected and that the engine can be operated without a problem before restarting the engine. A B Run ON OFF RUN C Trouble OFF OFF STOP 816-003 MODE SWITCH Idle or Starting OFF ON RUN B Throttle switch Carburetor switch Engine 816-004 C 816-005 Å Idle or starting ı Run Ç Trouble 1 Carburetor switch 2 Throttle switch 3 Throttle cable 4 Throttle valve a "ON" b "OFF" 5-2

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5-2
ESU00022
THROTTLE LEVER
Once the engine is running cleanly, squeezing
2
of the
throttle lever
1
will increase the engine speed and cause
engagement of the drive system. Regulate the speed of the
machine by varying the throttle position. Because the
throttle is spring-loaded, the machine will decelerate, and
the engine will return to an idle when the thumb is released
3
.
WARNING
Check throttle, brake, and steering for proper opera-
tion before starting engine.
816-001
ON
OFF
RUN
OFF
OFF
STOP
Idle
or
Starting
MODE
Run
Trouble
SWITCH
OFF
ON
RUN
Throttle switch
Carburetor switch
Engine
A
B
C
ESU00025
THROTTLE OVERRIDE SYSTEM (T.O.R.S.)
If the carburetor or throttle cable should malfunction during
operation, release the throttle lever. The T.O.R.S. is de-
signed to interrupt the ignition and stop the engine if the
carburetor fails to return to idle when the lever is released.
WARNING
If T.O.R.S. stops the engine, make sure that the cause
of the malfunction has been corrected and that the
engine can be operated without a problem before
restarting the engine.
Å
Idle or starting
ı
Run
Ç
Trouble
1
Carburetor switch
2
Throttle switch
3
Throttle cable
4
Throttle valve
a
“ON”
b
“OFF”
B
C
A
816-003
816-004
816-005