The Serpent 601380 servo lever throttle is supplied as a replacement-style arm for Serpent SRX8 Gen4 GP (SER600024) kits. It mounts between the servo spline and throttle linkage to give a reliable attachment point for setting servo throw.
Fitting only requires basic servo handling: remove the existing arm, set the new lever onto the spline at the chosen neutral, secure it with the retaining screw, then attach the linkage and check travel. Confirm transmitter endpoints and center before running the car.
In tuning the arm changes leverage and geometry for the throttle linkage, so small positional changes alter sensitivity and the total available travel. Make measured adjustments and inspect for any binding at full travel.
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