1. Introduction
Thank you for choosing the INJUSA X-Treme Zero 24V Electric Quad. This manual provides essential information for the safe assembly, operation, maintenance, and troubleshooting of your electric quad. Please read this manual thoroughly before first use and retain it for future reference.
This electric quad is designed for children aged 7 years and up, offering a maximum speed of 15 km/h, progressive throttle acceleration, and a robust 24V battery system.
2. Safety Information
WARNING: Failure to follow these safety instructions may result in serious injury or death.
- Always supervise children during operation.
- Ensure the rider wears appropriate safety gear, including a helmet, knee pads, and elbow pads.
- Do not operate the quad on public roads, near motor vehicles, or on steep inclines.
- Avoid operating in wet conditions, sand, or loose gravel.
- Check all bolts, nuts, and fasteners before each ride to ensure they are secure.
- The maximum weight capacity for this quad is not specified, but ensure the rider is within a safe and comfortable range for the vehicle's operation.
- Keep hands and feet away from moving parts.
3. Package Contents
Verify that all components are present before beginning assembly:
- INJUSA X-Treme Zero 24V Electric Quad (main unit)
- 2 x 12V Batteries (pre-installed or separate)
- Battery Charger
- Assembly Tools (if required)
- Instruction Manual
4. Setup and Assembly
The INJUSA X-Treme Zero 24V Electric Quad is largely pre-assembled. Follow these steps for final setup:
- Handlebar Installation: Attach the handlebars to the steering column. Ensure all bolts are tightened securely.
- Wheel Inflation: The quad features inflatable wheels. Inflate them to the recommended pressure indicated on the tire sidewall.
- Battery Connection: If the batteries are not pre-connected, connect them according to the diagrams provided in the separate battery manual or on the battery compartment. Ensure correct polarity.
- Initial Charge: Before first use, fully charge the battery for 8-12 hours. Do not overcharge.

Figure 4.1: Side view of the INJUSA X-Treme Zero 24V Electric Quad. This image shows the overall design and structure of the quad, including the handlebars, seat, and wheels.
5. Operating Instructions
Familiarize yourself with the controls before riding.
5.1 Controls Overview
- Power Switch: Located near the handlebars, this switch turns the quad on and off.
- Throttle: Progressive throttle acceleration is controlled via the right handlebar grip.
- Brake Lever: Located on the left handlebar, this lever activates the disc brake.
- Speed Selector: A 3-speed gearbox is located under the seat. Select the desired speed (1, 2, or 3) before riding.
- LED Lights: Front and rear LED lights provide visibility.

Figure 5.1: Handlebar controls and battery indicator. This image highlights the throttle, brake lever, and the battery level display on the handlebars.

Figure 5.2: Close-up of the power switch. This image shows the location and design of the main power switch.
5.2 Starting the Quad
- Ensure the quad is on a flat, open surface.
- Turn the power switch to the 'ON' position.
- Select the desired speed using the gearbox under the seat. Start with speed 1 for beginners.
- Slowly twist the right handlebar grip (throttle) to accelerate.
5.3 Braking
To slow down or stop, release the throttle and gently squeeze the brake lever on the left handlebar. The disc brake system provides effective stopping power.

Figure 5.3: Close-up of the brake lever. This image details the brake lever mechanism on the left handlebar.

Figure 5.4: Rear disc brake and wheel. This image provides a detailed view of the disc brake system on the rear wheel.
6. Maintenance
Regular maintenance ensures the longevity and safe operation of your quad.
- Battery Care: Charge the battery after each use. If storing for extended periods, charge monthly. Do not allow the battery to fully discharge.
- Tire Pressure: Regularly check and maintain the recommended tire pressure for optimal performance and safety.
- Cleaning: Clean the quad with a damp cloth. Avoid using high-pressure washers or harsh chemicals.
- Lubrication: Periodically lubricate moving parts such as the chain (if applicable) and pivot points.
- Brake Inspection: Check brake pads and disc for wear. Adjust brake cable tension as needed to ensure effective braking.
- General Inspection: Regularly inspect for loose fasteners, damaged wiring, or worn components. Replace any damaged parts immediately.

Figure 6.1: Suspension system. This image shows a close-up of the quad's suspension, which should be checked for proper function and wear.
7. Troubleshooting
Refer to this section for common issues and their solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Quad does not start | Battery is low or not connected; Power switch is off; Loose wiring | Charge battery; Turn power switch on; Check all connections |
| Reduced speed or power | Low battery; Overloaded; Incorrect speed setting | Charge battery; Reduce load; Select higher speed setting (if appropriate) |
| Brakes are not effective | Worn brake pads; Loose brake cable | Inspect and replace brake pads; Adjust brake cable tension |
| Unusual noises | Loose components; Lack of lubrication | Inspect and tighten components; Lubricate moving parts |
8. Specifications
Detailed technical specifications for the INJUSA X-Treme Zero 24V Electric Quad.
| Feature | Detail |
|---|---|
| Model Number | B085H378L2 (Part Number: 6025) |
| Brand | INJUSA |
| Recommended Age | 7 years and up (84 months minimum) |
| Battery | 24V (2 x 12V batteries) |
| Maximum Speed | Up to 15 km/h |
| Gears | 3-speed gearbox (under seat) |
| Brake System | Disc Brake |
| Lights | Front and Rear LED Lights |
| Wheels | Inflatable, puncture-proof |
| Material | Plastic, Metal |
| Product Dimensions (L x W x H) | 104 x 78 x 64 cm |
| Item Weight | 45 grams (Note: This weight seems incorrect for a quad of this size and material. Please refer to packaging for accurate weight.) |
| Assembly Required | No (Minimal setup required) |
| Included Components | Quad, Battery, Charger |

Figure 8.1: Dimensions of the INJUSA X-Treme Zero 24V Electric Quad. This image illustrates the length, width, and height of the quad.
9. Warranty and Support
INJUSA is committed to providing high-quality products. We offer:
- Spare parts availability for up to 10 years after purchase.
- A 3-year warranty against manufacturing defects.
For support or inquiries, please contact us:
- Phone: +34 96 555 08 62
- Email: info@injusa.com / service@injusa.com
Our products are designed and manufactured in Spain, adhering to all required European Union safety standards.

Figure 9.1: INJUSA company logo and contact information. This image displays the brand's logo and contact details for customer service.