Razor MX500, MX650 Repair and Maintenance, Installing the Front Wheel, Adjusting the Brakes

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Assembly and Set-Up

Installing the Front Wheel

WARNING: Failing to properly adjust and tighten the nuts and bolts that affix the forks can cause you to lose control and fall.

1 Position wheel in front fork and slide disk brake into caliper.

3 With a 14mm and 17mm wrench tighten the front wheel screws.

2 Slide axle through fork, spacer and wheel hub. When axle passes through the other side of the wheel hub, add the other spacer and slide though the fork. Secure with washer and nut.

Note: Front axle is installed with the spacer between the fork and wheel for all Dirt Rockets.

Note: If your model has one short spacer, it goes on the side of the hub with the disc brake.

Repair and Maintenance

Check the Razor web site for any updates on the latest repair and maintenance procedures.

Turn power switch “OFF” before conducting any maintenance procedures.

qAdjusting the Brakes

Tools required: 5mm L-wrench

WARNING:

The brake is capable of causing the electric motorbike to skid the tire throwing an unsuspecting rider. Practice in an open area free from obstacles until you are familiar with the brake function. Avoid skidding to a stop as this can cause you to lose control or damage the rear tire.

1To adjust the play, thread the brake lever adjuster in or out 1/4 to 1/2 turn until the desired brake adjustment is attained. Most adjustments are complete at this step. If brake still needs further adjustment, proceed to step 2 for rear brake.

2If the brake has too much slack, loosen the rear anchor bolt with a 5mm L-wrench and pull the brake wire tighter. The distance of the brake wire between the end

of the cable and the anchor bolt should be between 37mm and 44 mm.

3If the brake rotor is dragging on the brake pads, use your fingers to twist the caliper adjuster in either direction until rotor is cen- tered between pads.

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Contents Specifications subject to change without notice Dirt rocket MX500 15128190 Dirt Rocket MX650Contents Safety WarningsRequired Tools Estimated Assembly and Set-Up TimeBefore You Begin PortAttaching the Front Fender Assembly and Set-UpAttaching the Handlebars Attaching the Number PlateInflating the Tires Testing the BrakesCharging the Battery Into the charger port onAdjusting the Brakes Repair and MaintenanceInstalling the Front Wheel With a 14mm and 17mm wrench tighten the front wheel screwsFuse boxes Fuse checking cavity Chain and Tire ReplacementReplacing the Fuse NumberQChecking Spoke Tension Spoke Flange HubNipple Rim Chain and Sprocket Battery Care and DisposalReplacement Parts Repair Centers ChargerTroubleshooting Guide Problem Possible Cause SolutionMX500 / MX650 Parts SB 1918 California Declaration Safety reminders Warranty
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MX650, MX500 specifications

The Razor MX650 and MX500 are two popular electric dirt bikes designed for young riders and beginners, offering a thrilling balance of performance, safety, and ease of use. These models are part of Razor's extensive lineup, known for delivering quality electric rideables that capture the adventurous spirit of off-road biking.

One of the standout features of the Razor MX650 is its powerful 650-watt motor, which enables the bike to reach speeds up to 17 mph. This impressive power output allows riders to tackle both flat terrains and inclined trails with ease. In contrast, the MX500 is equipped with a slightly less powerful 500-watt motor, allowing it to achieve a maximum speed of around 15 mph. Both models are designed to provide a smooth acceleration and a thrilling experience while ensuring that young riders remain in control.

A key characteristic of both dirt bikes is their battery performance. The MX650 and MX500 use a 36-volt rechargeable battery system, enabling up to 40 minutes of continuous ride time on a single charge. This extended battery life ensures that riders can enjoy longer adventures without the frequent need for recharging. The bikes also feature an efficient charging system, allowing for quick turnaround times, making them great options for extended outdoor fun.

In terms of construction, both models boast a robust steel frame designed to withstand the rigors of off-road riding. The large, knobby pneumatic tires provide excellent traction, stability, and shock absorption, essential for navigating varying terrains. Additionally, the MX650 and MX500 feature adjustable handlebars, providing comfort and adaptability as the rider grows.

Safety is a priority with these bikes, equipped with front and rear brakes that ensure reliable stopping power. The MX650 and MX500 also feature a chain-driven transmission, allowing for smooth gear transitions and enhancing the overall riding experience.

Overall, the Razor MX650 and MX500 are outstanding choices for kids and beginners looking to experience off-road biking. With their combination of speed, durability, and user-friendly design, these electric dirt bikes offer an exhilarating ride while still prioritizing safety and reliability. Whether navigating backyard trails or exploring local parks, Razor's MX series promises excitement with every ride.
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