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10
ADJUSTING THROTTLE / BRAKE LINKAGE
a
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, loosen the brake linkage collar and move it to a point where the brake levers still
have 2mm of space before brakes are engaged.
c.
With the servo at neutral, use a 1.5mm hex wrench to set the outer collar next to the plastic lever (servo
horn).
11
ADJUSTING CARBURETOR
a.
To set the carburetor idle (point where the carburetor lever will not close any more), turn the screw as
pictured (smaller needle on the side of the carburetor body). Initial idle setting should leave 1mm
carburetor gap. Clockwise turn will provide higher idle (larger carburetor opening), and counterclockwise
turn will provide lower idle (smaller carburetor opening).
b.
To set the high speed needle, turn the screw as pictured. Initial high speed needle setting should be
2.5 turns (close the needle completely, then back out 2.5 turns). Clockwise turn will provide leaner
setting (lower fuel to air mixture), and counterclockwise turn will provide richer setting (higher fuel to
air mixture). Please refer to engine break-in / setting procedures to properly set the engine.
c.
To set the low speed needle (larger needle on the side of carburetor body), the initial setting should
also be 2.5 turns.
d.
Remove the foam 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 caster oil instead of fuel. 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. Finally, make sure the air cleaner boot is securely fastened with a zip-tie.
b
a
d
5
c
b
c
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