Model does not shift into high gear
- Servo not fully enaging the gear.
- Ensure that the servo pushes the linkage all the way into the transmission to fully engage second gear.
- Stripped transmission gears
- Replace damaged gears.
- Shift servo (channel 3) trim adjustment is improperly set
- The shift servo is set at the factory and should not require adjustment. If you have removed or replaced the shift servo, however, you may have to make trim adjustments.