9
Chapter 5
Engine Installation
Your firewall is pre-mounted but our customers can select from a wide variety of engine choices. It is nearly
impossible to cover every engine installation choice in this manual but we’ll cover a few. Your aircraft was
designed around the 150cc to 170cc twin gas engines, as well as 200cc four-cylinder engines. A pipe tunnel is
provided and will accommodate canister or tuned pipe installations. If you choose to run tuned pipes, you will
need to remove the first air dam in the tunnel, which is designed for canisters.
DA-150/170 installation
The firewall is pre-marked so you'll just need to center your motor in the "+". Take a ruler and draw a
line across the entire firewall for the thrust line and offset centerline.
DA-150/170 users only.
Center the motor based on your dimensions and drill out the holes for the ¼-20
bolts.
Mount the engine using 1/2" standoffs for the DA-150/170, 1/4-20 x 2" long bolts, and four blind nuts.
Now that you have the engine mounted, mark the locations for the fuel line and throttle push rod.
Remove the engine, drill those locations, and reinstall engine.
We recommend 4/40 push rods for throttle and/or optional choke servo. Also ensure there is no metal-to-
metal contact from the throttle/choke to the servos. 2/56 Ball links for 4/40 rod (not included) will prevent
the aforementioned metal-to-metal contact and will bolt nicely to your engine’s carburetor.
