1. Introduction
Welcome to the Gyroor H40 Kids Electric Scooter user manual. This document provides essential information for the safe assembly, operation, maintenance, and troubleshooting of your new electric scooter. Please read this manual thoroughly before first use and retain it for future reference. Ensure all safety guidelines are followed to prevent injury and ensure optimal performance.
Safety First: Always wear a helmet and appropriate protective gear (knee pads, elbow pads) when riding the scooter. Adult supervision is recommended for children.
2. Product Overview
The Gyroor H40 is a feature-rich electric scooter designed for children aged 6-12. It combines safety, performance, and fun with its adjustable height, powerful motor, LED display, and colorful lighting effects.

Figure 2.1: Gyroor H40 Kids Electric Scooter - Overall View.
Key Features:
- Adjustable Handlebar Height: Features 3-level adjustable handlebar (35.4"–39.4") to accommodate growing children.
- Powerful Motor: Equipped with a 180W high-torque motor for speeds up to 10 MPH.
- LED Display: Large screen displays speed, gear, and battery life in real-time.
- Colorful Lights: Motion-activated gradient LED lights under the deck and a bright front headlight for enhanced visibility and fun.
- Dual Brake System: Electronic brake for instant stops and a rear fender brake for stable control.
- Solid Tires: 7" front and 6.5" rear solid tires are maintenance-free, puncture-proof, and wear-resistant.
- UL2272 Certified: Certified for electrical and fire safety.
3. Setup
The Gyroor H40 electric scooter comes mostly pre-assembled. Follow these simple steps to complete the setup:
- Unboxing: Carefully remove the scooter and all components from the packaging. Check for any damage or missing parts.
- Handlebar Assembly: Insert the handlebar stem into the main shaft until it clicks into place. Secure it using the provided screws and Allen wrenches.
- Adjust Height: Press the buttons on the side of the handlebar stem to adjust it to the desired height. Ensure it locks securely into one of the three height settings.
- Initial Charge: Before first use, fully charge the scooter's battery. Connect the charger to the charging port on the scooter and then to a power outlet. The LED indicator on the charger will change color (e.g., red to green) when fully charged.
Video 3.1: Official Gyroor H40 Electric Scooter for Kids - Assembly and Features Overview. This video demonstrates the unboxing, simple assembly, and key features of the Gyroor H40 electric scooter, including its adjustable height and lighting effects.
4. Operating Instructions
Familiarize yourself with the scooter's controls before riding.

Figure 4.1: Handlebar Controls and LED Display.
- Power On/Off: Press and hold the power button on the LED display to turn the scooter on or off.
- Speed Modes: The scooter has three speed modes: 'E' (Economy - 6 MPH), 'N' (Normal - 8 MPH), and 'S' (Sport - 10 MPH). Press the mode button to cycle through these options.
- Acceleration: To start, place one foot on the deck and push off with the other foot to gain some initial momentum (at least 3 MPH). Then, gently press the electric accelerator (thumb throttle) to engage the motor.
- Braking: The scooter features a dual brake system:
- Electronic Brake: Located on the handlebar, squeeze the lever to activate.
- Rear Fender Brake: Press down on the rear fender with your foot.
- Lights: Press the light button on the LED display to turn the front headlight and deck lights on or off. The deck lights offer multiple color effects.
- Adjustable Height: To adjust the handlebar height, unlock the quick-release clamp, press the adjustment buttons, slide the handlebar to the desired height, and then re-lock the clamp.

Figure 4.2: Demonstrating the Dual Brake System.

Figure 4.3: Colorful Light-Up Deck for Night Safety and Fun.
5. Maintenance
Regular maintenance ensures the longevity and safe operation of your scooter.
- Cleaning: Wipe the scooter with a damp cloth. Do not use harsh chemicals or abrasive materials. Avoid spraying water directly onto electrical components.
- Battery Care:
- Charge the battery fully before first use and after each ride.
- Do not overcharge or completely drain the battery.
- If storing for an extended period, charge the battery to about 50-70% and recharge every 30-60 days.
- Avoid exposing the battery to extreme temperatures.
- Tire Inspection: Although solid tires are puncture-proof, regularly check them for wear and tear.
- Brake Check: Ensure both the electronic and fender brakes are functioning correctly before each ride.
- General Inspection: Periodically check all screws, bolts, and connections to ensure they are tight and secure.
6. Troubleshooting
Here are some common issues and their solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Scooter does not turn on | Low battery; Loose connection | Charge the battery; Check all cable connections. |
| Motor not engaging | Insufficient initial push; Accelerator malfunction | Ensure a strong initial push (over 3 MPH); Contact customer support if issue persists. |
| Lights not working | Light button off; Wiring issue | Press the light button; Check wiring for damage. |
| Reduced speed/range | Low battery; Overload; Tire wear | Fully charge battery; Ensure rider weight is within limits (143 lbs); Inspect tires. |
7. Specifications
| Feature | Detail |
|---|---|
| Brand | Gyroor |
| Model Name | H40 |
| Motor Power | 180W |
| Max Speed | Up to 10 MPH |
| Battery | 21.6V 2600mAh |
| Charging Time | Approximately 2 Hours |
| Max Load | 143 Pounds |
| Adjustable Handle Height | 35.4 - 39.4 Inches (3 levels) |
| Wheel Size | Front 7 Inches, Rear 6.5 Inches |
| Wheel Type | Solid, Puncture-Proof |
| Brake Style | Electronic and Rear Fender Brake |
| Frame Material | Aluminum Alloy Steel |
| Product Dimensions (LxWxH) | 33"L x 5.98"W x 39.39"H |
| Safety Certification | UL2272 |
8. Warranty and Support
The Gyroor H40 Kids Electric Scooter comes with the following warranty:
- 30-Day Hassle-Free Return: For any issues within 30 days of purchase.
- 1-Year Full Scooter Warranty: Covers mechanical components for one year from the date of purchase.
- 6-Month Battery Warranty: Covers the battery for six months from the date of purchase.
For customer support, please refer to the contact information provided in your product packaging or visit the official Gyroor website.





