1. Safety Information
WARNING: Adult assembly required. Choking hazard for children under 3 years. Always supervise children during use. Protective equipment such as a helmet should be worn. Not to be used in traffic. Maximum weight capacity: 69 lbs (31.3 kg).
Before first use, ensure all components are securely fastened and the product is in good working condition. Regularly inspect the product for loose parts or damage.
Refer to the official Radio Flyer Cyclone User Manual (PDF) for comprehensive safety guidelines.
2. Setup and Assembly
2.1. What's in the Box
- Radio Flyer Cyclone Ride-On Toy components
- Assembly hardware (if applicable)
- Instruction sheet
2.2. Assembly Instructions
Assembly requires adult supervision and may require basic tools (not included). Follow the steps below carefully. It is recommended to assemble the product on a soft, clean surface to prevent scratches.
- Unpack all components and verify against the parts list in the included instruction sheet.
- Attach the main wheels to the frame, ensuring they are securely fastened.
- Install the seat onto the frame.
- Attach the handgrips to the wheel axles.
- Secure the rear caster wheel to the back of the frame.
- Before use, double-check all connections and fasteners to ensure they are tight and secure.

Image: Top-down view of the Radio Flyer Cyclone, illustrating the assembled components.
3. Operating Instructions
The Radio Flyer Cyclone is designed for active play, allowing children to propel themselves using arm action and spin 360 degrees. It is suitable for use on smooth, flat surfaces such as sidewalks, driveways, or indoor play areas.
3.1. Getting Started
- Ensure the child is seated comfortably and securely in the seat.
- Instruct the child to grasp the handgrips firmly.
- To move forward, the child should push and pull the handgrips in an alternating motion.
- To spin, the child can apply more force to one handgrip while maintaining a grip on the other, or use both hands to initiate a spin.
- The 16-inch wheels provide a smooth ride and allow for movement forward, backward, and 360-degree spins.

Image: A child demonstrating the use of the Radio Flyer Cyclone.

Image: Illustration of the 360-degree spinning motion of the Cyclone.
4. Maintenance
Regular maintenance ensures the longevity and safe operation of your Radio Flyer Cyclone.
- Cleaning: Wipe down the frame, seat, and wheels with a damp cloth and mild soap as needed. Avoid harsh chemicals.
- Inspection: Periodically check all nuts, bolts, and fasteners to ensure they are tight. Inspect wheels and frame for any signs of wear, cracks, or damage.
- Storage: Store the ride-on toy in a dry, covered area away from direct sunlight and extreme temperatures to prevent material degradation.
- Lubrication: The moving parts are generally maintenance-free. Do not apply lubricants unless specifically instructed by the manufacturer.

Image: Detail of the handgrip, which should be regularly checked for wear.

Image: Detail of the rear caster wheel, important for smooth operation and requiring periodic inspection.
5. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Difficulty moving or spinning | Loose connections; uneven surface; child not using proper technique. | Check all fasteners for tightness. Ensure use on a smooth, flat surface. Guide the child on proper handgrip action. |
| Unusual noises during operation | Loose parts; debris in wheels. | Inspect all components for looseness and tighten as necessary. Clear any debris from around the wheels and axles. |
| Product appears unstable | Improper assembly; damaged frame/wheels. | Re-check assembly steps. Discontinue use if frame or wheels are damaged and contact customer support. |
6. Specifications
| Feature | Detail |
|---|---|
| Model Number | 640X |
| Product Dimensions (L x W x H) | 29.6 x 25.85 x 15.95 inches (75.2 x 65.7 x 40.5 cm) |
| Item Weight | 10.1 pounds (4.6 kg) |
| Recommended Age | 36 months - 7 years |
| Maximum Weight Capacity | 69 lbs (31.3 kg) |
| Material | Solid steel frame, plastic components |
7. Warranty Information
Radio Flyer products are designed for durability and quality. For specific warranty details, including coverage period and terms, please refer to the warranty information included with your product packaging or visit the official Radio Flyer website.
Typically, warranty coverage addresses manufacturing defects under normal use. Keep your proof of purchase for any warranty claims.
8. Customer Support
For additional questions, support, or concerns regarding your Radio Flyer Cyclone, please contact our customer service team:
- Website: https://www.radioflyer.com/customer-service/
- Phone: 1 (800) 621-7613
You can also download the complete user manual in PDF format here: Radio Flyer Cyclone User Manual (PDF).





