Operation Manual
Introduction
Thank you for purchasing the Mini-Monster Baja from Losi
®
. This guide contains the basic instructions for operating
your new Mini Monster Truck. While the Mini-Monster Baja is great for first-time R/C drivers, it does require some
mechanical experience and/or adult supervision for drivers under the age of 12. It is crucial that you read all of the
instructions, safety warnings, and accompanying printed material in order to operate your new model correctly and
avoid unnecessary damage. Please take a moment to look the documentation over before running your new Mini-
Monster Baja.
Part Number 800-0339
Table of Contents
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Summary of Contents for Team Losi Mini-Monster Baja

  • Page 1 . This guide contains the basic instructions for operating your new Mini Monster Truck. While the Mini-Monster Baja is great for first-time R/C drivers, it does require some mechanical experience and/or adult supervision for drivers under the age of 12. It is crucial that you read all of the instructions, safety warnings, and accompanying printed material in order to operate your new model correctly and avoid unnecessary damage.
  • Page 2 Warning resulting damage or injury. By the act of use, setup or assembly, the user accepts all resulting liability. An R/C model is not a toy! If misused, it can cause serious bodily harm and damage to property. Operate If you as the Purchaser or user are not prepared only in open areas and follow all instructions included to accept the liability associated with the use of with your radio and model.
  • Page 3: Warranty Inspection And Repairs

    Electronics and engines requiring inspection or repair must be operated with caution and common sense. should be shipped to the following address: Failure to operate your Mini-Monster Baja in a safe and responsible manner could result in damage to the model Horizon Service Center and property.
  • Page 4 Losi Li-Po Battery Pack Warning! Lithium Polymer (Li-Po) batteries are significantly more volatile than other rechargeable batteries used in RC applications. Failure to read and follow these instructions and safety precautions may result in fire, personal injury and damage to property. Losi, Horizon Hobby, Inc., its retailers, and any other representatives, assume absolutely no liability for use of this product or failure to comply with these instructions and precautions.
  • Page 5: Battery Disposal

    Crash Damage If there are signs of smoke or overheating, DO NOT go near the battery or equipment until it has been observed from a safe distance for at least 15 minutes. Once it is safe, remove the battery and check for damage. Dispose of damaged batteries appropriately.
  • Page 6: Required Equipment

    Required Equipment • 4 AA Alkaline batteries for the transmitter Tools and Items You Will Find Handy • Soft bristle brush for cleaning • 5.5mm nut driver for the wheel nuts. • #0 or #1 Phillips screwdriver • LOSA99100 .050˝ Allen Wrench Note: Use only Losi tools or other high quality tools.
  • Page 7 Re-Binding the Transmitter to the Receiver The Losi DSM radio system included in the Mini-Monster Baja operates on 2.4 GHz, and provides 79 different channels which are automatically selected when the transmitter and vehicle are turned on. The communication between the transmitter and receiver begins in the few seconds after the transmitter and vehicle are both turned on.
  • Page 8: Chassis Tuning

    This is really helpful when you are on slick, as well as high traction, surfaces. If your Mini-Monster Baja turns too sharply and/or spins out easily, try turning the steering rate down by rotating the knob counterclockwise (to the left).
  • Page 9: Ride Height

    Changing the Pinion Gear/Gear Ratio You must always use the same spec of motor and size of pinion gear on both motors in the Mini-Monster Baja. When you install hotter motors you may find it necessary to install smaller pinion gears to keep them from overheating. This is usually caused when you are running in a confined area where the motors are not allowed to rev freely.
  • Page 10: Setting The Gear Mesh

    Setting the Gear Mesh 1. Insert a small strip of common notebook paper between the pinion and spur gear by feeding it into the gears as you slowly turn the spur gear with your fingers. 2. Lightly push the motor in toward the spur (if the motor will not move freely, loosen the top screw slightly) until the pinion is resting solidly against the spur and tighten both mounting screws.
  • Page 11 Rebuilding the Front and Rear Differential The gears in the differential will wear over time. The same is true for the outdrives, driveshafts, and rear axles. We suggest using a small rag or paper towel to lay out the parts you remove to make it easier to reassemble. 1.
  • Page 12 Rebuilding the Center Transmission 1. Remove both gear cover screws (1). Remove both front top plate screws (2). 2. Remove both rear top plate screws. 3. Remove the four lower chassis plate screws (1). Remove the four lower chassis plate screws (2). 4.
  • Page 13 Carefully fill the shock body body, turn in a clockwise with fluid to the bottom of the direction until snug—DO NOT threads inside the shock body. TIGHTEN yet! Note: Your Mini-Monster Baja comes with 30wt shock fluid from the factory. Step 7 Step 8...
  • Page 14: Shock Assembly

    FCC Information Shock Assembly This device complies with part 15 of the FCC rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

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