11
a.
To set the throttle/brake linkage, first the radio should be on and neutral; thus, the servo is at neutral
position.
b.
With the servo at neutral, turn and adjust the brake collar to a point where the brake lever almost
engages the brake system, but not yet.
c.
With the servo at neutral, loosen the throttle collars. Then, manually close the carburetor, and set
the collar (next to the spring) with the spring slightly compressed. Then, set the other collar next to
the linkage pivot.
12
a.
To set the carburetor idle (small screw with spring off center on the side of carburetor body), turn the
screw as pictured. Please refer to ENGINE BREAK-IN/TUNING procedures to properly set the engine.
b.
To set the high speed needle (large needle sticking out from the carburetor body), turn the screw as
pictured. Please refer to ENGINE BREAK-IN/TUNING procedures to properly set the engine.
c.
To set the mid speed needle (large needle in the middle of the carburetor body), turn the screw as
pictured. Please refer to ENGINE BREAK-IN/TUNING procedures to properly set the engine.
d.
To set the low speed needle (large needle in the throttle lever), turn the screw as pictured. Please
refer to ENGINE BREAK-IN/TUNING procedures to properly set the engine.
e.
Remove the outer foam from filter and make it moist evenly with a few drops of fuel. If the vehicle
will be operated in an area with fine dust, use filter oil or caster oil instead of fuel and make both the
inner and outer foam moist. It is important that the foam is only moist to trap dirt and allow air passage.
With the foam too wet, limited air can pass through; therefore, limiting engine performance.
f.
Install the filter boot onto the engine carburetor and make sure the air cleaner boot is securely
fastened with a zip-tie.
ADJUSTING THROTTLE / BRAKE LINKAGE
a
b
c
ADJUSTING CARBURETOR
6
a
b
c
d
e
f
Summary of Contents for EK4-S2
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