The mixture screw controls how much fuel enters the engine. With the radiosystem on and the air filter removed, adjust the throttle trim knob on thetransmitter until the throttle just closes against its stop. Now, turn themixture screw clockwise, by hand, until it stops. (Do not tighten orthe needle may be damaged). Now, turn the mixture screw out,counter-clockwise, 1 3/4 complete turns.

NOTE: If you live in higher altitudes (3000 feet or higherabove sea level), it may be necessary for you to set your fuel mixture as leanas 1 1/4 turns out from closed. Make sure the engine runs rich during thebreak-in process. Call 1-888-TRAXXAS if you have questions about setting yourfuel mixture.

 

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How to finetune the carburetor on a TRX.15