Evolution Engines 20GX 20cc - Manual (Page 6)

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Installing the Muffler
The muffler mounting accessory package
includes mounting screws (2), lock washers
(2), muffler gaskets (2) and L- wrenches (3).
1. Put a lock washer on each of the muffler
screws. Push the muffler screws through the
muffler.
2. Align the muffler gasket with the exhaust
opening and the muffler mounting screws.
3. Tighten the muffler screws.
IMpORTANT: Tighten the muffler screws after
the first few tanks of fuel. The muffler screws
may loosen from heat and vibration. After the
third tightening, no further muffler loosening
should occur.
Connecting the Throttle Linkage
1. Use a secure method to attach the
throttle linkage to the throttle arm on the
carburetor.
2. Power on the transmitter and receiver.
3. Move the throttle stick to the middle stick
position.
4. Adjust the throttle arm so the arm is 90
degrees to the throttle pushrod.
5. Center the throttle servo. Install a servo arm
with a hole 11mm (7/16 in) from the center
of the arm.
6. Use a clevis to attach the throttle linkage to
the servo arm.
11mm
Mid-throttle