GOVERNOR SYSTEM
MAXIMUM SPEED ADJUSTMENT
MANUAL CONTROL TYPE
Remove the fuel tank
Loosen the 6 mm nut (1) of the governor arm.
Turn the governor arm (2) counter clockwise to fully
open the carburetor throttle valve (3).
Rotate the governor arm shaft (4) as far as it will go in
the same direction the governor arm moved to open the
throttle valve.
Tighten the 6 mm nut securely.
Install the fuel tank
Start the engine and allow it to warm up to normal
operating temperature.
Move the control lever (5) to run the engine at the
specified maximum speed, and hold the control lever.
Turn the 5 x 32 mm screw or 5 x 25 mm (6) of the
control to obtain the specified maximum speed.
MAXIMUM SPEED: 3,850 ± 150 min
AUTO THROTTLE TYPE
Remove the fuel tank
Loosen the two 6 x 12 mm flange bolts, and move the
Auto Throttle solenoid away from the governor arm.
Loosen the nut on the governor arm pinch bolt.
gx240ut2_gx270ut2_gx340ut2_gx390ut2
(page
6-3).
(page
6-3).
-1
(rpm)
(page
6-3).
(5)
(6)
(2)
(3)
(4)
(1)
PINCH BOLT NUT
AUTO
THROTTLE
SOLENOID
6 x 12 mm
FLANGE BOLT (2)