Monster Moto MMB80 Owner's Manual
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Monster Moto MMB80 Owner's Manual

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MMB80
Mini Bike
Monster Moto, LLC
1001 South Jupiter Road
Garland, Texas 75042
Phone: 855-833-6483
Monstermoto.com
All rights reserved. © 2014
MADE IN CHINA
Owner's Manual
This operators manual contains important safety information and maintenance
information. Read it carefully before using this vehicle. Failure to follow the warnings
contained in this operators manual could result in INJURY or DEATH.
Keep this manual in a safe place. It is very important that this owners manual be
reviewed by any rider and it should be considered a permanent part of the mini bike
and should remain with the vehicle when transferred to a new owner.
This manual contains the latest product information available before printing. Due to
improvements or production changes, there could be discrepancies. Monster Moto LLC
(Monster Moto) reserves the right to make changes at any time, without notice and
without obligation to make the same or similar changes to any vehicle previously built
or sold.
No part of this publication may be reproduced or copied without written permission
from Monster Moto.
© Monster Moto LLC, 2014

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Summary of Contents for Monster Moto MMB80

  • Page 1 This manual contains the latest product information available before printing. Due to improvements or production changes, there could be discrepancies. Monster Moto LLC (Monster Moto) reserves the right to make changes at any time, without notice and without obligation to make the same or similar changes to any vehicle previously built or sold.

  • Page 2: Table Of Contents

    PROBLEMS? DO NOT RETURN TO STORE! CALL US! Contents Warranty Introduction and Safety Messages 2 - 5 Operating Controls 6 - 9 Before Riding 10 - 11 Basic Operation & Riding Technique 12 -13 Starting and Stopping the Engine Braking Technique Parking &...

  • Page 3: Warranty

    Warranty Information Congratulations on your decision to purchase a Monster Moto Power Sports product! We are grati ed that you have chosen a Monster Moto product, and we are dedicated to supporting your successful and safe power sports recreation experience!
  • Page 4 PROBLEMS? DO NOT RETURN TO STORE! CALL US! Introduction Your Monster Moto dirt bike was designed as a recreational mini bike for o -road use only and by a single rider. This mini bike is ideal for younger riders with basic experience.

  • Page 5: Important Safety Information

    855*833*6483 OR EMAIL US AT info@monstermoto.com Important Safety Information Your personal safety, and the safety of those around you, is extremely important. Operating this mini bike safely is an important responsibility. Monster Motor has provided operating procedures and other information on labels and in this manual to help you make informed decisions about safety.
  • Page 6 Even a crash at slow speed can result in a fatal head injury if you are not wearing a helmet. Monster Moto recommends wearing helmets that have been certi ed for safety by helmet testing organizations whom are independent from the helmet manufacturer. We also recommend that you wear eye protection, boots, gloves, and other protective gear such as o -road riding pants.
  • Page 7 As a parent it is your responsibility to be sure that the mini bike is properly maintained and kept in safe operating condition. Modifying this mini bike or using parts not manufactured by Monster Moto can make your mini bike unsafe. Before you consider making any modi cations or adding an accessory, please read the following information carefully.

  • Page 8: Operating Controls

    Kick Stand Chain Tensioner Fuel Shut O Attaching The Handlebars Your Monster Moto MMB80 is shipped with the handlebars NOT bolted on. To attach the handlebars follow the steps below: Top View 1. After unpacking your mini bike, place it on Handlebar the side stand on a at level surface.

  • Page 9: Operating Controls

    855*833*6483 OR EMAIL US AT info@monstermoto.com Operating Controls Engine Stop The engine stop switch is used to turn o the engine. When the switch is in the “OFF” position it will remove the spark from the ignition system. To start and ride the mini bike, push the small red button (top).
  • Page 10 PROBLEMS? DO NOT RETURN TO STORE! CALL US! Operating Controls Rear Brake Lever The brake lever is used to apply the brake to the rear wheel and will slow or stop the mini bike. When you pull back on the lever, brake uid is forced into the brake caliper causing the caliper to close on the brake disc.
  • Page 11 Brake Mechanism The MMB80 mini bike is equipped with a rear disc brake. It provides power to safely bring the mini bike to a stop. It will also hold the mini bike at a stop if the engine is running.

  • Page 12: Before Riding

    PROBLEMS? DO NOT RETURN TO STORE! CALL US! Before Riding Before you ride, you must be absolutely sure that you and your mini bike are ready to ride. To help you get prepared, this section of the manual will discuss how to evaluate your riding readiness and how to preform our recommended pre-ride inspection of your mini bike.
  • Page 13 Make sure that it snaps shut automatically when you release it in all steering positions. Brakes - Squeeze the brake lever to be sure the brakes are working properly. Remember, be sure to take care of any problems you nd or have your Monster Moto dealer correct it before you ride.

  • Page 14: Basic Operation & Riding Technique

    Even if you have ridden other mini bikes in the past, take time to get familiar with the way the Monster Moto mini bike works and handles. Always practice in a safe area until you have built your skill level to a point at which it is safe to ride.

  • Page 15: Flooded Engine

    855*833*6483 OR EMAIL US AT info@monstermoto.com Starting & Stopping the Engine Starting Procedure (cont.) 3. Once the engine starts, warm up the engine by opening and closing the throttle slightly. 4. About 15 seconds after the engine starts, push the choke lever all the way to the left (fully o ). 5.

  • Page 16: Braking Technique

    PROBLEMS? DO NOT RETURN TO STORE! CALL US! Braking Technique This section will cover basic braking technique for your mini bike. To slow or stop the mini bike, squeeze the brake lever rmly and smoothly. Gradually increase your braking pressure as you feel it is needed. When you come to a stop, put your foot down to balance the mini bike.

  • Page 17: Maintaining Your Mini Bike

    To help keep your mini bike well maintained, this section includes a maintenance schedule for required servicing and step-by-step instructions on how to perform speci c maintenance tasks. In this section you will also nd important safety precautions, and tips for keeping your Monster Moto mini bike looking good.

  • Page 18: Maintenance Schedule

    If you decide to do your own maintenance, use only replacement parts that you have purchased from a Monster Moto dealer or parts purchased directly from Monster Moto.

  • Page 19: Component Locations

    855*833*6483 OR EMAIL US AT info@monstermoto.com Component Locations Throttle Control Fuel Cap Fuel Tank Disk Brake Assembly Carburetor Oil Drain (Front of Engine) Brake Lever Air Filter Spark Plug Fill Chain Clutch Tensioner (Under Chain Guard)
  • Page 20 86 or higher. Most service stations will display the octane rating above each pump. Although it is not required, Monster Moto recommends use of gasoline with a 92 octane rating or higher to ensure maximum performance and reliability. This engine is not designed to work with ethanol blended fuel.

  • Page 21: Engine Oil Recommendation

    855*833*6483 OR EMAIL US AT info@monstermoto.com Basic Maintenance Procedures Engine Oil Recommendation SAE 10W-30 is recommended for use in most climates. See the oil/air temperature chart to help you choose the best oil for your climate: SAE Viscosity Grades AMBIENT TEMPERATURE CAUTION Your mini-bike does not need oil additives.

  • Page 22: Air Filter

    PROBLEMS? DO NOT RETURN TO STORE! CALL US! Basic Maintenance Procedures Changing Engine Oil 1. Park the mini bike on a rm level surface. 2. Remove the oil ll cap/dipstick. 3. Place an oil drain pan under the engine. 4. Unscrew and remove the oil drain bolt. 5.

  • Page 23: Throttle Freeplay Adjustment

    5. Check the throttle for smooth rotation from fully open to fully closed in all steering directions. Adjusting Protective Throttle If you cannot obtain proper freeplay, contact Collar Sleeve Lock Nut your authorized Monster Moto service center for assistance.

  • Page 24: Spark Plug

    If your plug looks like this, have your mini bike serviced by your Monster Moto dealer immediately. A carbon fouled plug will be completely black with no gloss. An oil fouled plug will appear a dark shiny brown or shiny black as shown above.

  • Page 25: Rear Brake Adjustment

    DANGER Never ride the mini bike when the brakes are not working properly. If you cannot repair the brakes, have them serviced by your Monster Moto Dealer. DO NOT RIDE the bike. Tire Air Pressure Properly in ated tires will provide you with the best combination of handling, tread life, and riding comfort.

  • Page 26: Tires

    (4mm) or anytime you notice a reduction in your traction. Check the position of both valve stems. A tilted valve stem indicates that the tube is slipping inside of the tire or the tire is slipping on the rim. See your Monster Moto dealer for assistance. WARNING Never ride with a bent or dented rim.
  • Page 27 This indicates that the chain is worn beyond it’s service limit. 5. Inspect the front and rear sprockets for excessive wear or damage. Refer to the following illustration to determine sprocket condition. If needed, replace any worn or damaged sprockets. See your Monster Moto dealer for assistance.

  • Page 28: Drive Chain Adjustment

    PROBLEMS? DO NOT RETURN TO STORE! CALL US! Basic Maintenance Procedures Drive Chain Inspection (cont.) Use the diagram below to determine if the sprockets need to be replaced. Never use a new chain with a damaged or worn sprocket. Worn Teeth Damaged Teeth REPLACE REPLACE...

  • Page 29: Drive Chain

    4. Inspect the sprockets for wear or damage. Monster Moto recommends that you replace the sprockets when you install a new drive chain. 5. Pass the chain over the sprockets and join the ends of the chain with the master link. For ease of assembly, hold the chain ends against adjacent rear sprocket teeth while inserting the master link.

  • Page 30: Clutch

    Basic Maintenance Procedures Clutch Lubrication Your MMB80 mini bike uses a centrifugal clutch to provide power from the engine to the rear wheel. It requires periodic maintenance to operate properly. If your clutch becomes “noisy” or it grabs and kills your engine at low speeds, it is time to service your clutch.

  • Page 31: Troubleshooting

    4. Engine Start Condition - Start the engine by using the normal starting procedure Does the engine start but then stop quickly afterward? - Improper choke operation - Dirty or improperly adjusted carburetor (Contact your Monster Moto Dealer) - Intake manifold/pipe leak - Improper ignition timing (see your Monster Moto Dealer)
  • Page 32 6. Cylinder Compression Inspection - Check the cylinder compression. Is the engine compression normal? - Valve stuck open/seized or improper valve timing (see your Monster Moto dealer) - Worn cylinder wall and/or piston rings (replace engine) - SEE STEP 7...
  • Page 33 9. Engine Condition Inspection - Accelerate rapidly and ride at high speed. Does the engine knock? - See your Monster Moto dealer to have your mini bike serviced. - Worn piston and cylinder (replace engine) - Wrong type of fuel (octane rating)

  • Page 34: Troubleshooting

    2. Carburetor Inspection - Disassemble the carburetor and check for clogs. Was the carburetor clogged and dirty? - See your Monster Moto dealer to have your mini bike serviced. - Carburetor is not serviced frequently enough, contaminated fuel Poor Handling...

  • Page 35: Resolving The Unexpected

    855*833*6483 OR EMAIL US AT info@monstermoto.com Resolving the Unexpected General Guidelines If you encounter trouble during a ride, the rst thing you should do is stop as soon as it is safely possible. Do not continue to ride if you have a at tire, if you hear an unusual noise, or if your mini bike just does not feel right.

  • Page 36: Resolving The Unexpected

    Sometimes crash damage is hidden or not immediately apparent. Once you get home, go over your mini bike thoroughly and x any problems that you nd. Also, be sure to have your Monster Moto dealer inspect the frame after a serious crash.

  • Page 37: Emissions Control Warranty

    855*833*6483 OR EMAIL US AT info@monstermoto.com Emission Control Warranty YOUR WARRANTY RIGHTS AND OBLIGATIONS The manufacturer warrants that each new 2014 and later vehicle: applicable regulations of the United States Environmental Protection Agency. applicable regulations of the United States Environmental Protection Agency or the California Air Resources Board for the periods speci ed below.

  • Page 38: Emissions Control Warranty

    No dealer is authorized to modify this Emission Control System Warranty. If you have any questions regarding your warranty rights and responsibilities, you should contact Monster Moto by calling 855-833-6483.
  • Page 39 855*833*6483 OR EMAIL US AT info@monstermoto.com MMB80 Mini Bike...

  • Page 40: Product Registration

    MMB80 Mini Bike Product Registration Please complete and mail this card within 10 days of initial purchase. Name ___________________________________________Age __________ Address _________________________________________________________ City __________________________________State _____Zip ______________ Email ___________________________________________________________ Home Phone _____________________________________________________ Work Phone _____________________________________________________ Purchase Date ____________ Purchased from _________________________...

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