MUKIKIM MUK-777-611
MUKIKIM Hyper Runner Stunt RC Car User Manual
Model: MUK-777-611
Important Safety Information
WARNING: CHOKING HAZARD - Small Parts. Not for children under 3 years.
Always supervise children during operation. Keep fingers, hair, and loose clothing away from moving parts. Do not operate near stairs, roads, or water. Do not modify the product as this may cause damage or injury.
Package Contents
Please ensure all items listed below are present in your package:
- 1 x Hyper Runner Stunt RC Car (Green Manta Ray)
- 1 x Remote Controller
- 1 x USB Charging Cable
- 1 x Instruction Manual

Image: The Hyper Runner Stunt RC Car in green, its remote controller, USB charging cable, and the product packaging.
Setup
1. Controller Battery Installation
The remote controller requires 2 x 1.5V "AAA" batteries (not included).
- Open the battery compartment cover on the back of the remote controller.
- Insert 2 "AAA" batteries, ensuring correct polarity (+/-).
- Close the battery compartment cover securely.

Image: The remote controller with labels for the Demo Button and Left/Right Turn Trimmer, alongside the USB charging cable.
2. Charging the Vehicle
The Hyper Runner Stunt RC Car has a built-in rechargeable battery. A full charge takes approximately 15 minutes and provides about 10 minutes of play time.
- Locate the power switch/charging socket on the underside of the vehicle.
- Ensure the vehicle's power switch is in the "OFF" position.
- Connect the small plug of the USB charging cable to the vehicle's charging socket.
- Connect the USB-A end of the charging cable to a standard USB power source (e.g., computer USB port, USB wall adapter).
- The charging indicator light on the vehicle will illuminate during charging and turn off when fully charged.
- Disconnect the charging cable once charging is complete.

Image: Close-up of the Hyper Runner Stunt RC Car's underside, highlighting the power switch and charging socket.
3. Initial Pairing and Trim Adjustment
For optimal performance, adjust the trim dial before first use.
- Turn on the RC car by sliding its power switch to "ON".
- Turn on the remote controller. The indicator light on the controller will blink and then become solid once paired.
- If the car veers left or right when driving straight, use the "Left/Right Turn Trimmer" dial on the controller to adjust its steering until it drives straight.
Operating Instructions
Basic Controls
- Forward/Backward: Push the left joystick forward or backward.
- Turn Left/Right: Push the right joystick left or right.
Performing Stunts
The Hyper Runner Stunt RC Car is designed for dynamic stunts:
- Jump Up: Utilize the car's design and speed to perform jumps over small obstacles.
- Vertical 360° Spin: The oversized front wheels allow the car to stand and rotate vertically. Practice to master this move.
- Auto Demo: Press the "Demo Button" on the remote controller to activate a pre-programmed sequence of stunts and rotations.

Image: The Hyper Runner Stunt RC Car demonstrating its ability to perform high-speed maneuvers and vertical spins.
Note: The 2.4 GHz wireless range allows multiple cars to race simultaneously after separate pairing. This means you cannot use one remote to control multiple cars at once, nor can two remotes control the same car simultaneously if they are paired to different cars.
Maintenance
Cleaning
To maintain the car's performance and appearance:
- Wipe the car and controller with a soft, dry cloth after each use.
- Do not use water or chemical cleaners, as this can damage the electronic components.
- Remove any debris (dust, hair, etc.) from the wheels and axles to ensure smooth operation.
Storage
When not in use for extended periods:
- Turn off both the car and the controller.
- Remove batteries from the remote controller to prevent leakage.
- Store the product in a cool, dry place, away from direct sunlight and extreme temperatures.
Troubleshooting
If you encounter issues with your Hyper Runner Stunt RC Car, please refer to the table below for common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Car does not respond to controller. | Car or controller is off. Low battery in car or controller. Not paired correctly. | Ensure both are switched ON. Charge car battery; replace controller batteries. Turn both off, then on again to re-pair. |
| Short play time. | Battery not fully charged. Old or low-quality controller batteries. | Ensure car is fully charged (approx. 15 mins). Use fresh, high-quality "AAA" batteries for the controller. |
| Car veers to one side. | Steering trim needs adjustment. | Use the "Left/Right Turn Trimmer" dial on the controller to correct the steering. |
| Multiple cars interfering. | Cars not paired separately. | Ensure each car is paired with its own controller one at a time before operating multiple cars simultaneously. |
| Car stops working after a few uses. | Internal component failure. | Contact customer support for assistance. |
Specifications
| Feature | Detail |
|---|---|
| Model Number | MUK-777-611 |
| Product Dimensions | 3.5 x 1.5 x 2.75 inches |
| Item Weight | 5.4 ounces |
| Recommended Age | 8 years and up |
| Vehicle Battery | Built-in rechargeable (USB charged) |
| Controller Battery | 2 x 1.5V AAA batteries (not included) |
| Charging Time | Approx. 15 minutes |
| Play Time | Approx. 10 minutes |
| Wireless Frequency | 2.4 GHz |
| Manufacturer | MUKIKIM |
| Release Date | June 5, 2019 |
Warranty Information
MUKIKIM products are designed for quality and durability. For specific warranty details and terms, please refer to the information provided with your purchase or visit the official MUKIKIM website. Keep your proof of purchase for any warranty claims.
Customer Support
If you have any questions, require technical assistance, or need to report an issue not covered in this manual, please contact MUKIKIM customer support.
For more information and support, please visit the official MUKIKIM store on Amazon: MUKIKIM Store