1. Introducció
Welcome to the Razor MX400 Dirt Rocket Electric Bike user manual. This document provides essential information for the safe assembly, operation, maintenance, and troubleshooting of your electric dirt bike. Please read all instructions carefully before use to ensure a safe and enjoyable riding experience.

Figure 1: Razor MX400 Dirt Rocket Electric Bike
2. Informació de seguretat
Your safety is paramount. Always wear appropriate safety gear, including a helmet, knee pads, and elbow pads, when operating the Razor MX400. This product is designed for off-road use on private property. Do not ride on streets or around cars, as traffic can be fatal.
Advertència de la proposta 65: Aquest producte pot contenir productes químics coneguts a l’Estat de Califòrnia per causar càncer i defectes congènits o altres danys reproductius.
3. Característiques del producte
The Razor MX400 Dirt Rocket is engineered for performance and durability. Key features include:
- Motor d'alt parell: Chain-driven rear-wheel drive motor for speeds up to 14 mph.
- Construcció duradora: Steel frame with authentic dirt bike geometry, double-crown fork, and shatter-resistant plastic fairings.
- Comfort and Control: Soft rubber grips, adjustable-angle riser-style handlebars, and twist-grip throttle.
- Pneumatic Knobby Tires: 12-inch tires for enhanced traction on dirt, gravel, and grass.
- Hand-Operated Brakes: Rear brake for confident stopping power.
- Long Ride Time: Rechargeable 24-volt battery system provides up to 30 minutes of continuous ride time on high speed.
- Folding Foot Pegs: Metal foot pegs and a retractable kickstand for convenience.

Figure 2: Key Features of the MX400

Figure 3: MX400 Specifications Overview
4. Muntatge i muntatge
Some assembly is required. Please follow these general steps. Refer to the detailed assembly video for visual guidance.
- Desempaquetar components: Traieu amb cura totes les peces de l'embalatge. Assegureu-vos que hi hagi tots els components que figuren a la llista d'embalatge.
- Instal·lació del manillar: Attach the handlebars to the steering column using the provided clamps and bolts. Ensure they are securely tightened.
- Muntatge de la roda davantera: Install the front wheel, ensuring the brake caliper is correctly aligned with the disc. Secure the axle with the nuts.
- Front Fender Attachment: Mount the front fender to the front forks.
- Rear Shock Adjustment (if applicable): Ensure the rear shock absorber is correctly installed and adjusted.
- Càrrega inicial de la bateria: Carregueu la bateria durant 12 hores abans del primer ús.
Vídeo de muntatge
Video 1: Razor MX400 Dirt Rocket 24V Electric Toy Motocross Dirt Bike OverviewAquest vídeo ofereix una visió generalview of the Razor MX400, showcasing les seves característiques i funcionament.
Video 2: Razor Dirt Rocket Electric Motocross Motorcycle Dirt Bike. This video demonstrates the electric motocross bike in action, highlighting its performance and design.
5. Instruccions de funcionament
To operate your Razor MX400 Dirt Rocket:
- Encès: Locate the power switch, usually near the battery compartment, and switch it to the 'ON' position.
- Accelerar: Twist the throttle grip on the right handlebar to accelerate. The speed is controlled by how much you twist the throttle.
- Fre: Use the hand-operated rear brake lever on the left handlebar to slow down or stop.
- Direcció: Steer by turning the handlebars in the desired direction.
Always start slowly and familiarize yourself with the controls in a safe, open area before attempting higher speeds or challenging terrain.

Figure 4: Kickstand and Footpegs
6. Instruccions de càrrega
The Razor MX400 is powered by a rechargeable 24-volt (two 12-volt) sealed lead-acid battery system.
- Càrrec inicial: Before first use, charge the battery for a full 12 hours.
- Càrrecs posteriors: After each use, or if the battery indicator shows low power, connect the charger to the charging port. A full charge typically takes 8-12 hours.
- Interruptor d'alimentació: Always turn off the power switch after each ride. The battery may be unable to recharge if left ON without use.
- Indicador del carregador: The charger will have an indicator light (usually red for charging, green for fully charged).
Do not overcharge the battery. Disconnect the charger once the indicator shows a full charge.
7. Manteniment
Regular maintenance ensures the longevity and safe operation of your Razor MX400.
- Pressió dels pneumàtics: Check tire pressure regularly. The 12-inch pneumatic knobby tires require proper inflation for optimal performance and safety.
- Ajust del fre: Periodically inspect and adjust the hand-operated rear brake for proper function. Ensure the brake lever provides firm and responsive stopping power.
- Lubricació de la cadena: Keep the chain-driven motor chain clean and lubricated to prevent wear and ensure smooth operation.
- Inspecció general: Before each ride, check for any loose parts, damaged components, or unusual noises. Tighten any loose fasteners.
- Neteja: Netegeu la bicicleta amb un anunciamp cloth after use. Avoid using harsh chemicals or excessive water, especially near electrical components.
8. Solució De Problemes
If you encounter issues with your Razor MX400, refer to the following common troubleshooting tips:
| Problema | Causa possible | Solució |
|---|---|---|
| Bike does not start | Power switch is OFF; Battery is low/dead; Loose connection | Turn power switch ON; Charge battery for 12 hours; Check all connections |
| Reduced speed/power | Low battery; Overloaded weight; Rough terrain | Charge battery; Ensure rider weight is within limits (140 lbs max); Ride on smoother terrain |
| Els frens no són efectius | Cable de fre fluix; pastilles de fre desgastades | Adjust brake cable tension; Replace worn brake pads |
| Sorolls inusuals | Loose chain; Foreign object in drivetrain; Loose components | Adjust chain tension/lubricate; Inspect and remove foreign objects; Tighten all fasteners |
If you cannot resolve the issue using these steps, please contact Razor customer support.
9. Especificacions
- Marca: Navalla
- Model: MX400
- Pes de l'article: 62.5 lliures
- Bateria: 24-Volt (two 12-volt) sealed lead-acid rechargeable system
- Velocitat màxima: Up to 14 Mph
- Temps de viatge: Up to 30 minutes of continuous use (high speed)
- Edat recomanada: 8 anys i més
- Pes màxim del genet: 140 lliures
- Pneumàtics: Pneumàtics amb taques de 12 polzades
- Fabricant: Razor USA, LLC
10. Garantia i Suport
For warranty information or technical support, please refer to the documentation included with your product or visit the official Razor weblloc. Conserveu el rebut de compra per a reclamacions de garantia.





