Introduction
This instruction manual provides essential information for the safe and proper assembly, operation, and maintenance of your Hishine Hoverboard Seat Attachment. Please read this manual thoroughly before first use and retain it for future reference. This attachment converts your hoverboard into a seated go-kart, offering a new way to enjoy your hoverboard experience.
Safety Information
WARNING: Failure to follow these safety instructions may result in serious injury or property damage.
- Always wear appropriate safety gear, including a helmet, knee pads, and elbow pads.
- Ensure all components are securely fastened before each use.
- Do not exceed the maximum weight capacity of 265 lbs (120 kg).
- Supervise children at all times when using the hoverboard seat attachment.
- Operate on smooth, dry, and level surfaces free from obstacles.
- Avoid steep inclines, uneven terrain, and wet conditions.
- Do not use near traffic, swimming pools, or other hazardous areas.
- This attachment is compatible with most 6.5", 8", and 10" hoverboards. NOTE: Do not fit hoverboards with a bar in the middle.
Package Contents
Verify that all items are present and undamaged upon opening the package:
- Metal frame components
- Plastic seat
- Front wheel assembly
- 4 high-density straps
- Tool kit (screws, nuts, wrench)
- Clear instruction manual

Image: All components of the Hishine Hoverboard Seat Attachment laid out, including the seat, frame parts, front wheel, straps, and tools.
Setup and Assembly
Assembly typically takes approximately 5 minutes. Follow these steps carefully:
- Attach the Seat: Secure the plastic seat to the main frame using the provided screws and nuts. Ensure it is firmly attached.
- Assemble the Front Wheel: Connect the front wheel assembly to the adjustable front bar. The front wheel includes a dust-proof ring for durability.
- Connect Frame Sections: Join the adjustable length sections of the metal frame.
- Adjust Length: The frame length is adjustable from 26 inches to 34.5 inches to accommodate both kids and adults. To adjust, pull up the knob and slide the frame to the desired length. Release the knob to lock it in place.
- Attach to Hoverboard: Place your hoverboard between the two rear attachment points of the seat attachment. Use the four high-density straps to securely fasten the attachment to your hoverboard. Ensure the straps are tight and the attachment does not wobble.

Image: The adjustable frame allows for lengths between 26 and 34.5 inches, suitable for various user heights, and supports up to 265 lbs.

Image: The ergonomic seat is designed for comfort, providing support for legs and back.

Image: The attachment is widely compatible with 6.5", 8", and 10" hoverboards, but not those with a central bar.
Operating Instructions
Once assembled and securely attached to your hoverboard, operating the seat attachment is intuitive:
- Forward/Accelerate: Push both hand levers down simultaneously.
- Backward/Brake: Pull both hand levers up simultaneously.
- Turn Left: Push the right hand lever down and pull the left hand lever up.
- Turn Right: Push the left hand lever down and pull the right hand lever up.

Image: Control movements for the hoverboard seat attachment, showing how to accelerate, brake, and turn using the hand levers.
The hoverkart provides a fun and safer way to ride, enhancing coordination and motor skills.
Maintenance
Regular maintenance ensures the longevity and safe operation of your hoverboard seat attachment:
- Cleaning: Wipe down the metal frame and plastic seat with a damp cloth after use. Avoid harsh chemicals.
- Inspection: Periodically check all screws, nuts, and connections to ensure they are tight. Re-tighten as necessary.
- Strap Condition: Inspect the high-density straps for any signs of wear, fraying, or damage. Replace worn straps immediately to ensure secure attachment to the hoverboard.
- Wheel Check: Ensure the front wheel spins freely and is not obstructed. The powder-coated tubes are designed to be resistant to corrosion and rust, but regular cleaning is still recommended.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Attachment feels wobbly or loose. | Straps are not tight enough or are worn. / Frame connections are loose. | Re-tighten all four straps securely. Inspect straps for damage and replace if necessary. Check and tighten all screws and nuts on the frame. |
| Difficulty steering or moving. | Hoverboard not properly calibrated or charged. / Front wheel obstructed. | Ensure your hoverboard is fully charged and calibrated according to its own manual. Check the front wheel for debris or obstructions. |
| Unusual noises during operation. | Loose components. / Debris in moving parts. | Stop operation immediately. Inspect all parts for looseness and tighten. Clean any debris from the front wheel and axle area. |
Specifications
- Model Name: Hoverboard Seat Attachment
- Model Number: YD-GK01
- Brand: Hishine
- Material: Steel frame, PP plastic seat
- Adjustable Length: 26" - 34.5"
- Max Capacity: 265 lbs (120 kg)
- Compatible Hoverboard Sizes: 6.5", 8", 10" (Does not fit hoverboards with a bar in the middle)
- Item Dimensions (LxWxH): 34.5 x 17.5 x 14 inches (fully extended)
- Package Weight: 5.22 Kilograms
- Included Components: Metal frame, plastic seat, front wheel, 4 straps, screws, nuts, wrench
Warranty and Support
The Hishine Hoverboard Seat Attachment comes with a 1-year warranty from the date of purchase. This warranty covers manufacturing defects under normal use.
For warranty claims, technical support, or questions regarding your product, please contact the manufacturer, HISHINE, directly. Refer to your purchase documentation for specific contact details or visit the official Hishine store on Amazon.
Note: Your questions will be replied to within 24 hours. We provide excellent service, free spare parts replacement, and prepaid labels for exchange or return goods.