Written By Doug Smirnoff

Razor MX350 Dirt Rocket Common Problems and Troubleshooting

Kick start your off-road adventures with the Razor MX350 Dirt Rocket. This electric-powered dirtbike is the perfect choice for the next generation of motocross riders, offering top-notch performance and an authentic motocross design.

The rear-wheel drive provides better traction and balance control, while the high-torque, chain-driven electric motor can power riders up to 14 mph (22 km/h) for up to 30 minutes of continuous use. With its MX-frame geometry, knobby tires, and twist-grip throttle, the Razor MX350 prepares riders for thrilling adventures on dirt.

Razor MX350 Dirt Rocket Overview

The Razor MX350 Dirt Rocket is a scaled-down, electric-powered dirtbike designed for young motocross enthusiasts. It combines high performance with true-to-life motocross design, offering an exhilarating off-road experience.

Product Details and Features

PowerHigh-torque, rear-wheel chain-drive delivers increased power and traction
Top SpeedPowers riders at speeds of up to 14 mph with up to 30 minutes of continuous use
Built for Off-Road FunPneumatic knobby tires handle all types of terrain, from soft dirt to muddy conditions, providing maximum support and performance
Battery24V (2 12V) sealed lead acid rechargeable battery system
Ride with Confidence on Off-Road TerrainRear-wheel chain drive delivers greater power and traction, while the twist-grip throttle and hand-operated rear brake provide simple, intuitive hand controls

Specifications

  • Product Weight: 48.92 pounds
  • Battery Charge Time: 12 hours
  • Battery Voltage: 24 volts
  • Maximum Operating Range: 7 miles
  • Maximum Speed: 14 miles per hour
  • Electric Bike Classification: Class 2
  • Bicycle Type: Children’s bike
  • Color: Black Camo
  • Product Name: MX350 Dirt Rocket eBike w/ 7 miles Max Operating Range and 14 mph Max Speed
  • Brand: Razor
  • Bike Style: Electric bikes
  • Recommended Minimum Age: 13 years
  • Assembly Required: Partial
  • Model Number: 15128003
  • Dimension – Product Weight: 48.92 pounds
  • Dimension – Maximum Weight Capacity: 140 pounds
  • Dimension – Bicycle Size: Small
  • Dimension – Wheel Diameter: 12 inches
  • Power – Batteries Included: Yes
  • Power – Battery Chemistry: Lead acid
  • Power – Removable Battery: No
  • Power – Battery Charge Time: 12 hours
  • Power – Battery Voltage: 24 volts
  • Power – Maximum Operating Range: 7 miles
  • Electric Bike Motor Type: Rear hub motor
  • Power – Maximum Speed: 14 miles per hour

Causes of Common Problems with the Razor MX350 Dirt Rocket

In the following subsections, we will address possible problems and solutions with the Razor MX350 Dirt Rocket electric bike.

1. Battery Not Holding Charge

Description: The Razor MX350 Dirt Rocket’s battery is not holding a charge, resulting in reduced riding time.

Cause: Over time, the battery’s capacity may decrease due to frequent charging and discharging cycles.

Troubleshooting:

  1. Ensure the battery is fully charged before each use.
  2. Check for any loose connections between the battery and the bike’s electrical system.
  3. If the battery is old and worn out, consider replacing it with a new one from an authorized Razor dealer.

2. Loss of Power

Description: The Razor MX350 Dirt Rocket experiences a sudden loss of power during operation.

Cause: This issue could arise due to a loose electrical connection or a malfunctioning motor.

Troubleshooting:

  1. Inspect all electrical connections and make sure they are securely attached.
  2. Check the motor for any signs of damage or overheating.
  3. If the motor is faulty, seek assistance from Razor’s customer support or an authorized service center for repairs or replacement.

3. Brake Failure

Description: The brakes on the Razor MX350 Dirt Rocket are not functioning correctly, leading to unsafe riding conditions.

Cause: Brake failure may occur due to worn-out brake pads or misaligned brake calipers.

Troubleshooting:

  1. Inspect the brake pads for signs of wear and replace them if necessary.
  2. Adjust the brake calipers to ensure they are centered and properly aligned with the brake disc.
  3. If the issue persists, consider seeking professional assistance for brake maintenance or replacement.

4. Throttle Response Issues

Description: The Razor MX350 Dirt Rocket’s throttle may be unresponsive or jerky during acceleration.

Cause: This problem can be attributed to a faulty throttle mechanism or loose wiring.

Troubleshooting:

  1. Inspect the throttle control for any physical damage or sticking.
  2. Check the wiring connected to the throttle and ensure all connections are secure.
  3. If the throttle is damaged, consider replacing it with a genuine Razor replacement part.

5. Tires Losing Traction

Description: The Razor MX350 Dirt Rocket’s tires may lose traction, making it challenging to ride on various terrains.

Cause: This issue can arise due to low tire pressure, worn-out tires, or riding on unsuitable surfaces.

Troubleshooting:

  1. Regularly check and maintain the recommended tire pressure for optimum performance.
  2. Inspect the tires for signs of wear and replace them if the treads are worn down.
  3. Avoid riding on excessively rough or slippery terrains to prevent unnecessary strain on the tires.

6. Chain Slippage

Description: The chain on the Razor MX350 Dirt Rocket may slip or come off the sprocket during riding.

Cause: Chain slippage can occur due to improper tension, a worn-out chain, or misaligned sprockets.

Troubleshooting:

  1. Check the chain tension and adjust it according to the manufacturer’s recommendations.
  2. Inspect the chain for signs of wear, such as rust or stretched links, and replace it if necessary.
  3. Ensure the sprockets are properly aligned and tightened to prevent chain slippage.

7. Charging Issues

Description: The Razor MX350 Dirt Rocket may have difficulties charging or connecting to the charger.

Cause: Charging problems can result from a faulty charging port, damaged charger, or issues with the battery.

Troubleshooting:

  1. Inspect the charging port on the bike for any debris or damage and clean it if necessary.
  2. Try using a different charger to rule out any issues with the original charger.
  3. If the problem persists, examine the battery and charging circuit for potential faults.

8. Electric Motor Noise

Description: The Razor MX350 Dirt Rocket’s electric motor may produce unusual noises during operation.

Cause: Motor noise can be due to loose components, worn bearings, or internal motor issues.

Troubleshooting:

  1. Tighten all motor-related components to ensure there are no loose parts contributing to the noise.
  2. Inspect the motor bearings for signs of wear or damage and replace them if necessary.
  3. If the motor noise persists, consider seeking professional assistance for motor inspection and repairs.

9. Loose Handlebars

Description: The handlebars of the Razor MX350 Dirt Rocket may become loose, affecting steering control.

Cause: Handlebar looseness can occur due to vibrations and regular use of the bike.

Troubleshooting:

  1. Tighten the handlebar clamp and bolts to secure the handlebars in place.
  2. Check for any damage or wear on the handlebar components that may be causing the looseness.
  3. Regularly inspect and maintain the handlebars to ensure a safe and stable riding experience.

10. Electrical System Malfunction

Description: The Razor MX350 Dirt Rocket’s electrical system may experience unexpected malfunctions or failures.

Cause: Electrical system issues can arise from wiring problems, controller faults, or damaged components.

Troubleshooting:

  1. Examine all electrical connections and wiring for signs of damage or loose connections.
  2. Inspect the controller unit for any visible damage or irregularities.
  3. If the electrical system continues to malfunction, consider consulting a professional technician for diagnosis and repairs.

11. Brakes Squeaking

Description: The brakes on the Razor MX350 Dirt Rocket may produce a squeaking or screeching noise when applied.

Cause: Brake squeaking can be caused by dirty brake pads, worn-out brake components, or misalignment.

Troubleshooting:

  1. Clean the brake pads and brake discs to remove any debris or contaminants.
  2. Inspect the brake pads for wear and replace them if they are significantly worn down.
  3. Adjust the brake calipers to ensure proper alignment with the brake discs.

12. Uneven Tire Wear

Description: The Razor MX350 Dirt Rocket’s tires may wear unevenly, affecting performance and handling.

Cause: Uneven tire wear can result from incorrect tire pressure, misaligned wheels, or improper riding habits.

Troubleshooting:

  1. Regularly check and maintain the recommended tire pressure for even tire wear.
  2. Inspect the wheels for any misalignment and adjust them if necessary.
  3. Practice proper riding techniques, such as avoiding sudden braking or sharp turns, to minimize tire wear.

13. Charger Overheating

Description: The charger for the Razor MX350 Dirt Rocket may become excessively hot during the charging process.

Cause: Charger overheating can be caused by prolonged use, faulty components, or high ambient temperatures.

Troubleshooting:

  1. Ensure that the charger is placed in a well-ventilated area during charging to dissipate heat.
  2. Inspect the charger and its components for any signs of damage or malfunction.
  3. If the charger continues to overheat, discontinue use and seek a replacement from an authorized Razor dealer.

14. Loss of Suspension Performance

Description: The suspension system on the Razor MX350 Dirt Rocket may lose its effectiveness over time.

Cause: Suspension performance can degrade due to worn-out components or insufficient maintenance.

Troubleshooting:

  1. Check the suspension forks and springs for signs of wear and replace them if necessary.
  2. Regularly clean and lubricate the suspension components to ensure smooth operation.
  3. If the suspension issues persist, consult a professional technician for further inspection and repairs.

15. On/Off Switch Problems

Description: The on/off switch on the Razor MX350 Dirt Rocket may become unresponsive or malfunction.

Cause: Switch problems can occur due to dirt accumulation, loose connections, or internal faults.

Troubleshooting:

  1. Clean the on/off switch to remove any dirt or debris that may be affecting its functionality.
  2. Check the connections between the switch and the electrical system for any looseness.
  3. If the switch still does not work correctly, consider replacing it with a genuine Razor replacement part.

16. Loose Bolts and Fasteners

Description: Various bolts and fasteners on the Razor MX350 Dirt Rocket may become loose during regular use.

Cause: Vibrations and impacts from riding can cause bolts and fasteners to gradually loosen over time.

Troubleshooting:

  1. Regularly inspect all bolts and fasteners on the bike, especially after intense rides.
  2. Tighten any loose bolts and ensure they are securely fastened.
  3. Consider applying thread locker to critical fasteners to prevent them from loosening.

17. Flickering Headlights

Description: The headlights on the Razor MX350 Dirt Rocket may flicker or work intermittently.

Cause: Flickering headlights can be caused by loose connections or a faulty headlight bulb.

Troubleshooting:

  1. Check the headlight connections for any looseness and secure them properly.
  2. If the headlight bulb is faulty, replace it with a new one from an authorized Razor dealer.
  3. Ensure the battery has sufficient charge, as a low battery can affect headlight performance.

18. Stuck Throttle

Description: The throttle on the Razor MX350 Dirt Rocket may become stuck in a certain position.

Cause: Sticking throttle can occur due to dirt or debris accumulation, or a damaged throttle mechanism.

Troubleshooting:

  1. Inspect the throttle control for any obstructions or dirt and clean it thoroughly.
  2. Apply a small amount of lubricant to the throttle mechanism to prevent sticking.
  3. If the issue persists, consider replacing the throttle with a genuine Razor replacement part.

19. Faulty Charging Indicator

Description: The charging indicator on the Razor MX350 Dirt Rocket may not accurately display the battery’s charge level.

Cause: A faulty charging indicator can result from a defective LED or wiring issues.

Troubleshooting:

  1. Check the charging indicator’s connections for any loose or damaged wiring.
  2. If the LED is malfunctioning, replace the charging indicator with a new one.
  3. Always refer to the battery voltage and charging time to estimate the charge level if the indicator is not working correctly.

20. Controller Malfunction

Description: The controller unit on the Razor MX350 Dirt Rocket may experience malfunctions, affecting the bike’s performance.

Cause: Controller issues can be caused by water damage, electrical faults, or wear and tear.

Troubleshooting:

  1. Avoid exposing the controller to water or extreme moisture to prevent damage.
  2. Check the controller’s connections and wiring for any signs of damage or loose connections.
  3. If the controller is faulty, seek professional assistance for repairs or consider replacing it with a genuine Razor controller.

21. Intermittent Power Loss

Description: The Razor MX350 Dirt Rocket may experience intermittent power loss during riding.

Cause: Intermittent power loss can result from loose electrical connections, damaged wires, or a faulty battery.

Troubleshooting:

  1. Inspect all electrical connections and ensure they are securely attached.
  2. Check the wiring for any signs of damage or fraying.
  3. If the battery is old or damaged, consider replacing it with a new one.

22. Overheating Motor

Description: The electric motor on the Razor MX350 Dirt Rocket may overheat during prolonged use.

Cause: Overheating can occur due to excessive use, high ambient temperatures, or a malfunctioning motor.

Troubleshooting:

  1. Allow the motor to cool down before resuming riding after extended use.
  2. Ride the bike in shorter intervals to prevent excessive strain on the motor.
  3. Inspect the motor for any signs of damage or obstruction that may be causing overheating.

23. Uneven Charging

Description: The Razor MX350 Dirt Rocket’s battery may not charge evenly, resulting in shorter riding times.

Cause: Uneven charging can be caused by a faulty charger, damaged battery cells, or an aging battery.

Troubleshooting:

  1. Try using a different charger to rule out any issues with the original charger.
  2. Inspect the battery for any visible damage or signs of swelling.
  3. If the battery is old and not holding a charge evenly, consider replacing it with a new one.

24. Excessive Vibration

Description: The Razor MX350 Dirt Rocket may produce excessive vibrations during operation.

Cause: Excessive vibration can be caused by misaligned wheels, worn-out bearings, or loose components.

Troubleshooting:

  1. Check the wheels for proper alignment and adjust them if needed.
  2. Inspect the bearings for signs of wear and replace them if necessary.
  3. Tighten all components on the bike to eliminate any loose parts that may be causing vibrations.

25. Speed Control Problems

Description: The speed control on the Razor MX350 Dirt Rocket may not function as expected.

Cause: Speed control issues can be caused by a faulty throttle mechanism, controller problems, or wiring faults.

Troubleshooting:

  1. Inspect the throttle control for any damage or sticking.
  2. Check the controller’s connections and wiring for any signs of damage or looseness.
  3. If the speed control problems persist, consider seeking professional assistance for diagnosis and repairs.

Razor MX350 Dirt Rocket Electric Bike User Reviews

Positive Reviews from Razor MX350 Dirt Rocket Electric Bike Users

  • Many users were satisfied with the bike’s ease of assembly, stating that it was straightforward to put together.
  • Several users praised the bike’s solid build and construction, appreciating its durability and sturdiness.
  • Users highlighted the bike’s suitable size and power for younger riders, indicating that it matched well with their children’s needs.
  • Positive feedback was given about the bike’s ease of use, with children quickly learning how to operate it after a few rides.
  • Multiple users mentioned that the bike’s charging process was effortless and that it held a charge well during use.

Overall, the majority of users expressed their satisfaction with the Razor MX350 Dirt Rocket Electric Bike, stating that it provided a great riding experience for their children.

Negative User Reviews of the Razor MX350 Dirt Rocket Electric Bike

  • Some users reported issues with the bike’s battery, stating that it stopped working or failed to hold a charge after a few months of use.
  • Negative feedback was given regarding the bike’s size, with a few users expressing disappointment that it was smaller than expected, leading to limited usability for older or larger children.
  • Several users mentioned problems with the bike’s run time, claiming that it fell short of the advertised 30 minutes, offering much less riding time than expected.
  • A few users expressed concerns about the bike’s motor overheating during prolonged use, which affected its performance.
  • Some users reported issues with the throttle mechanism, stating that it became stuck or unresponsive during operation.

Despite these negative reviews, the majority of users still found the Razor MX350 Dirt Rocket Electric Bike to be a suitable and enjoyable option for their children, especially for younger riders.

All the information about user reviews is sourced from Walmart.

Razor MX350 Dirt Rocket Electric Bike Manual

The operating instructions for the Razor MX350 Dirt Rocket can be found on the manufacturer’s website. For detailed guidance on how to assemble, use, and maintain your electric bike properly, it is recommended to refer to the official Razor MX350 Dirt Rocket Electric Bike manual available on the Razor website.

Razor MX350 Dirt Rocket Frequently Asked Questions

1. How long does the battery last on the Razor MX350 Dirt Rocket?

The battery life on the Razor MX350 Dirt Rocket can vary depending on factors such as riding conditions, terrain, and weight of the rider. On average, you can expect the bike to provide up to 30 minutes of continuous use on a full charge.

2. What is the recommended age range for the Razor MX350 Dirt Rocket?

The Razor MX350 Dirt Rocket is generally recommended for riders aged 13 years and older. However, some users have found that the bike’s size and power are suitable for younger riders, making it an excellent option for children as young as 6 years old.

3. Can the Razor MX350 Dirt Rocket be used on rough terrain?

Yes, the Razor MX350 Dirt Rocket is designed for off-road use and can handle various terrains, including dirt, gravel, and rough paths. Its pneumatic knobby tires provide excellent traction and support for adventures on uneven surfaces.

4. How fast does the Razor MX350 Dirt Rocket go?

The Razor MX350 Dirt Rocket can reach speeds of up to 14 miles per hour (22 km/h). Its high-torque, chain-driven electric motor delivers ample power for thrilling off-road rides.

5. How do I charge the Razor MX350 Dirt Rocket’s battery?

To charge the Razor MX350 Dirt Rocket’s battery, plug the charger into a standard electrical outlet and connect the charging port to the battery. The battery charging time is approximately 12 hours. Make sure to follow the instructions in the manual for proper charging and maintenance.

Conclusion

If you experience any issues or problems with your Razor MX350 Dirt Rocket Electric Bike, it’s essential to refer to the user manual provided by the manufacturer. The manual offers valuable information on assembly, maintenance, and troubleshooting. If you encounter any challenges beyond your expertise, consider reaching out to Razor’s customer service or an authorized service center for expert assistance and solutions.

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