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1

Safety Warnings ...........................................................................................1-2

Before You Begin.............................................................................................. 3

Assembly and Set-Up....................................................................................4-5

Charging the Battery ........................................................................................ 6

Pre-Ride Checklist ............................................................................................ 6

Repair and Maintenance.............................................................................7-10

Troubleshooting Guide ..............................................................................11-12

Product Parts .................................................................................................. 13

Warranty and Contact Information ................................................................ 15

WARNING:

 Riding an electric motor bike does present potential 

risks and caution is required. Like any riding product, an electric motor bike 

has inherent hazards associated with its use (for example, falling off or riding 

it into a hazardous situation). Like any riding product, electric motor bikes 

can and are intended to move and it is therefore, of course, possible to lose 

control or otherwise get into dangerous situations. Both children, and adults 

responsible for supervising them, must recognize that if such things occur, a 

rider can be seriously injured or die even when using safety equipment and 

other precautions. RIDE AT YOUR OWN RISK AND USE COMMON SENSE.

WARNING: 

PARENTAL AND ADULT RESPONSIBILITY AND 

SUPERVISION NECESSARY: 

This manual contains important safety 

information. It is your responsibility to review this information and make 

sure that all riders understand all warnings, cautions, instructions and safety 

topics, and assure that young riders are able to safely and responsibly use 

these products. Razor recommends that you periodically review and reinforce 

the information in this manual with younger riders, and that you inspect and 

maintain your children’s product to insure their safety. 

WARNING:

 THE SX500/MX500 IS NOT FOR CHILDREN 

UNDER AGE 14 OR HEAVIER THAN 175 LB (79 KG). THE MX650 IS NOT 

FOR CHILDREN UNDER AGE 16 OR HEAVIER THAN 220 LB (100 KG).

 

Because products, like electric motor bikes, can and do present potential 

hazards plainly associated with their use, it is well recognized THE NEED FOR 

EXERCISE OF PARENTAL RESPONSIBILITY IN SELECTING RIDING PRODUCTS 

APPROPRIATE TO THE AGE OF A CHILD, OR PARENTAL SUPERVISION IN 

SITUATIONS IN WHICH CHILDREN OF VARIOUS AGES MAY HAVE ACCESS 

TO THE SAME RIDING PRODUCTS, IS IMPORTANT. Not every product is 

appropriate for every age or size of child, and different age recommendations 

are found within this category of product which are intended to reflect the 

nature of the hazards and the expected mental or physical ability, or both, of 

a rider to cope with the hazards.
Razor recommends that children under the age of 14 not be permitted to use 

the SX500/MX500 and that children under the age of 16 not be permitted 

to use the MX650. This recommendation is based not just on age or weight 

or height – it reflects consideration of expected maturity and skills as well 

as physical size. The recommended rider age of 14 years or older for SX500/

MX500 and rider age of 16 years or older for MX650 are only estimates 

and can be affected by the rider’s size, weight or skills – not every child 14 

years old will be suited to the SX500/MX500 and not every child 16 years 

old will be suite to the MX650. Certainly, any rider unable to fit comfortably 

on the SX500/MX500/MX650 should not attempt to ride it, but a 

parent’s 

decision  to allow his or her child to ride these products should be 

based on the child’s maturity, skill,  and ability to follow rules. Razor 

emphasizes that adults are strongly advised not to disregard Razor’s 

recommendations or permit younger children to ride the SX500/

MX500/MX650.

DO NOT EXCEED THE WEIGHT LIMIT OF 175 lb (79 kg) for SX500/MX500 and 

220 lb (100 kg) for MX650. Rider weight alone also does not necessarily mean 

a person’s size is appropriate to fit or maintain control of the SX500/MX500/

MX650. Keep these products away from small children and remember that 

these products are intended for use only by persons who are, at a minimum, 

completely comfortable and competent while operating these products.

Persons with any mental or physical conditions that may make them 

susceptible to injury, impair their physical dexterity or mental capabilities 

to recognize, understand, and follow safety instructions and to be able to 

understand the hazards inherent in a product’s use, should not use or be 

permitted to use products inappropriate for their abilities. Persons with heart 

conditions, head, back or neck ailments (or prior surgeries to these areas of the 

body), or pregnant women, should be cautioned not to operate these products.

CHECK AND MAINTAIN MOTOR BIKE CONDITIONS

Before use, check to confirm that any and all chain guards or other covers 

and guards are in place and in serviceable condition. Check that the 

brakes are functioning properly, and that tires are inflated properly and 

have sufficient tread remaining. The motor bike should be maintained and 

repaired in accordance with the manufacturer’s specifications, using only the 

manufacturer’s authorized replacement parts, and should not be modified 

from the manufacturer’s original design and configuration. 

ACCEPTABLE RIDING PRACTICES AND CONDITIONS

Always check and obey any local laws or regulations, which may 

affect the locations where the electric motor bike may be used. Keep 

safely away from cars and motor vehicle traffic at all times, and only 

use where allowed and with caution.

Do not activate the speed control on the hand grip unless you are on the 

motor bike and in a safe, outdoor environment suitable for riding.
The normal powered top speed of these motor bikes will be approximately 

15 mph (24 kmh) for SX500/MX500 and 17 mph (27 kmh) for MX650, which 

can be affected by conditions, such as rider weight, inclines, tire inflation and 

battery charge level. Avoid excessive speeds that can be associated with 

downhill rides.
Maintain a hold on the handlebars at all times. Do not touch the brakes or 

motor on your motor bike when in use or immediately after riding, as these 

parts can become very hot.
Ride defensively. Watch out for potential obstacles that could catch your 

wheel or force you to swerve suddenly or lose control. Be careful to avoid 

pedestrians, skaters, skateboards, scooters, bikes, children or animals who 

may enter your path, and respect the rights and property of others.
These electric motor bikes are intended for use on flat, dry surfaces, such as 

pavement or level ground, without loose debris, such as sand, leaves, rocks 

or gravel. Wet, slick, bumpy, uneven or rough surfaces may impair traction 

and contribute to possible accidents. Do not ride your motor bike in mud, ice, 

puddles or water. Watch out for potential obstacles that could catch your 

wheel or force you to swerve suddenly or lose control. Avoid sharp bumps, 

drainage grates, and sudden surface changes. 
Do not attempt or do stunts or tricks on your electric motor bike. These motor 

bikes are not made to withstand abuse from misuse, such as jumping, curb 

grinding or any other type of stunts. Racing, stunt riding, or other maneuvers 

also enhance risk of loss of control, or may cause uncontrolled rider actions 

or reactions.
Never allow more than one person at a time to ride the motor bike.
Do not ride at night or when visibility is limited.

SAFETY WARNINGS

CONTENTS

Summary of Contents for Dirt Rocket SX500

Page 1: ...re for demonstration purposes only Illustrations may not reflect exact appearance of actual product Specifications subject to change without notice Please have your 19 character product I D code ready...

Page 2: ...00 kg for MX650 Rider weight alone also does not necessarily mean a person s size is appropriate to fit or maintain control of the SX500 MX500 MX650 Keep these products away from small children and re...

Page 3: ...ys wear proper protective equipment such as an approved safety helmet with chin strap securely buckled elbow pads and kneepads A helmet may be legally required by local law or regulation in your area...

Page 4: ...nitial charge time Allow up to 12 hours for charge see page 6 for charging information WARNING DO NOT USE NON RAZOR PRODUCTS WITH YOUR RAZOR ELECTRIC MOTOR BIKE The motor bike has been built to certai...

Page 5: ...ars should not move forward or backward 3 Adjust the brake lever adjuster to the proper place and tighten it with the 5 mm Allen wrench 1 Align fender with the hole in the fork and insert the bolt Tig...

Page 6: ...ey invariably lose some pressure between the point of manufacturing and your purchase WARNING Failing to properly adjust and tighten the nuts and bolts that affix the fork can cause you to lose contro...

Page 7: ...in use Failure to recharge battery periodically may result in a battery that will not accept a charge Make sure the power switch is turned OFF when unit is not in use If the power switch is left on fo...

Page 8: ...ge the rear tire Testing the Brakes To use the brakes squeeze the levers to increase the pressure on the brake The brake levers are fitted with a cable adjuster to compensate for cable stretch and or...

Page 9: ...to loosen the chain and remove the chain from the wheel sprocket and motor sprocket Push and remove the wheel downward Note Your hands will get greasy doing this 1 Loosen screws and remove chain guard...

Page 10: ...g the spokes into proper tension Continue tightening all spokes no more than 1 2 turn in sequence until all spokes are tight Note More than a 1 2 turn each can cause the wheel to become distorted and...

Page 11: ...ironmentally safe manner Do not dispose of a lead acid battery in a fire the battery may explode or leak Do not dispose of a lead acid battery in your regular household trash The incineration land fil...

Page 12: ...lete No lights Blinking lights Replace Charger Secure unit turn power ON with no weight on the unit carefully lift up back end and apply the throttle to engage the motor If motor engages replace batte...

Page 13: ...onnection s Motor or electrical switch damage Check for loose connections wires Contact your local Razor authorized service center for diagnosis and repair Motor bike does not stop when applying the b...

Page 14: ...rottle 02 1 Sleeve 3 Front brake lever assembly right 4 Handlebar 5 Rear brake lever assembly left 6 Front fork 7 Front fender 8 Handlebar clamp upper lower 9 Front wheel complete 10 Caliper brake 2 1...

Page 15: ...NCE YOUR INSURANCE POLICIES MAY NOT PROVIDE COVERAGE FOR ACCIDENTS INVOLVING THE USE OF THIS SCOOTER ELECTRIC RIDE ON PRODUCT TO DETERMINE IF COVERAGE IS PROVIDED YOU SHOULD CONTACT YOUR INSURANCE COM...

Page 16: ...d by improper assembly maintenance storage or use of the Razor Dirt Rocket SX500 MX500 and MX650 This Limited Warranty will be void if the product is ever used in a manner other than for recreation or...

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