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SDN2200
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CARBURETOR SYNCHRONIZATION/
ENGINE IDLE SPEED ADJUSTMENT
SDN2180
SDN2190
2-10
CARBURETOR SYNCHRONIZATION
1. Remove:
•
Carburetors
Refer to "CARBURETORS" in CHAPTER 7.
2. Adjust:
•
Carburetor synchronization
Adjustment steps:
•
Turn the throttle stop screw 1 of carburetor
#2 until the specified throttle valve height a is
obtained.
Throttle valve height a:
1.2 mm (0.047 in)
•
Adjust the throttle valve height a on carburetor
#1 2 and #3 3 with the adjusting screw 4.
•
Move the throttle lever 2 ~ 3 times.
•
Make sure that all of the carburetor throttle
valves are at the same height.
3. Install:
•
Carburetors
Refer to "CARBURETORS" in CHAPTER 7.
ENGINE IDLE SPEED ADJUSTMENT
1. Adjust:
•
Engine idle speed
Adjustment steps:
•
Start the engine and let it warm up.
•
Turn the throttle stop screw 1 in or out until
the specified engine idle speed is obtained.
Turning in → Idle speed is increased.
Turning out → Idle speed is decreased.
Engine idle speed:
1,800 ± 100 r/min
NOTE:
After adjusting the engine idle speed, the throttle
cable free play should be adjusted.
INSP
ADJ
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