3. INSPECTION/ADJUSTMENT VITALITY 50
ENGINE IDLE SPEED 2-Stroke
At High and Low Speeds
The engine must be warm for accurate
idle speed adjustment.
Adjust the idle speed to the specified range
by turning the throttle stop screw (2) and air
screw (1).
Idle Speed:
2-Stroke: 1850100rpm
4-Stroke Throttle Stop Screw
Adjust the idle speed to the specified range
by turning the throttle stop screw and pilot
screw.
Idle Speed:
4-Stroke: 1800100rpm
Pilot Screw
AIR CLEANER
Air Cleaner (2-Stroke)
Remove the air cleaner cover by removing
the 7 air cleaner cover screws and air
cleaner housing cover (1).
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