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Throttle Bodies Synchronization - Yamaha WaveRunner FX160 Wartungshandbuch

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FUEL
#4
#3
1
#1
#2
3
FUEL INJECTION SYSTEM
#1
#2
1
2
#3
#4
5
4

Throttle bodies synchronization

1. Remove:
• Throttle bodies
• Air filter case
2. Adjust:
• Throttle bodies synchronization
Adjustment steps:
NOTE:
The bypass air screws 1 should not be
adjusted. However, if it is necessary to
remove the bypass air screw, be sure to
note the number of times the screw is
turned from its set position. When installing
the screw, be sure to tighten the screw the
same number of turns as noted at removal.
If the number of turns is not known, turn the
screw approximately 2.5 times counter-
clockwise from the fully closed position.
CAUTION:
Do not start the engine when removing
the fuel hose. Fuel can spurt out when
the fuel pump is operated.
a. Loosen the throttle stop screw 2 and
synchronizing screws #1 3, #2 4, and
#3 5 until released from the levers.
NOTE:
• Only butterfly valve #2 should be fully
closed and the other valves should be
halfway closed.
• Check the valve for light leaks with a
flashlight. If there are no light leaks, the
valve is fully closed.
b. Turn synchronizing screw #2 4 clock-
wise approximately 7 times until it starts
to contact the lever.
NOTE:
• Butterfly valves #2 and #3 should be fully
closed. Butterfly valve #2 opens if the
screw is turned more than 7 times.
• If butterfly valves #2 and #3 are not fully
closed, close the valves by adjusting syn-
chronizing screw #2 4.
4-22
E

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Diese Anleitung auch für:

Waverunner fx160 cruiser

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