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INTRODUCTION BEFORE YOU Thank you for purchasing a Jato 4X4 Brushless. The Jato 4X4 PROCEED Traxxas Support Brushless is the new benchmark for 1/8 scale buggy performance. Traxxas support is with you every step of the Jato carves corners with the precision of a race buggy and the way.
Traxxas service needs. Maintenance and replacement identified by the icons below. Be sure to read them! To-Win, Jato 4X4, BL-2s, and parts may be purchased directly from Traxxas by phone or online ProGraphix are trademarks or An important warning about personal safety or avoiding at Traxxas.com.
SAFETY PRECAUTIONS All of us at Traxxas want you to safely enjoy your new model. Operate • Insulate the Wires: Always insulate exposed wiring with heat shrink your model sensibly and with care, and it will be exciting, safe, and tubing to prevent short circuits.
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• ONLY use a Traxxas iD charger to charge Traxxas iD batteries. identifying the battery type and specifications. ALWAYS use a ONLY use a Lithium Polymer (LiPo) balance charger with a Traxxas iD charger to charge Traxxas iD batteries.
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• Nickel-Metal Hydride (NiMH) batteries must be recycled or discharge, or use the battery. disposed of properly. • Keep a Class D fire extinguisher nearby in case of fire. • Always proceed with caution and use good common sense at all times. 6 • JATO 4X4 BRUSHLESS...
(part #2985) 6- or 7-cell NiMH battery pack, 4 AA alkaline or 2s LiPo battery pack, Battery charger* batteries with Traxxas High-Current Connector* *Battery and charger style are subject to change and may vary from images. JATO 4X4 BRUSHLESS • 7...
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ANATOMY OF THE JATO 4X4 BRUSHLESS Rear Camber Link Half Shaft Battery Compartment Traxxas High-Current Battery Hold-Down Hex Hub Front Suspension Arm Connector Rear Shock Tower Spur Gear Left Clipless Body Mount Chassis Brace Front Shock Tower Steering Servo Shock...
6. Turn on the radio system • See page 16 Make a habit of turning the transmitter on first and off last. Look for the Quick Start logo at the bottom of Quick Start pages. JATO 4X4 BRUSHLESS • 9...
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ESC (Electronic Speed Control) - An electronic speed control is the resistance and the resulting power-robbing heat. electronic motor control inside the model. The BL-2s electronic speed control uses advanced circuitry to provide precise, digital proportional throttle control. Electronic speed controls use 10 • JATO 4X4 BRUSHLESS...
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When installing the antenna wire into the antenna tube, be careful not to kink the wire by pressing it against the antenna tube cap. The antenna wire should extend to just below or to within one-half inch below the cap. JATO 4X4 BRUSHLESS • 11...
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TRAXXAS TQ 2.4GHz RADIO SYSTEM Your model is equipped with the Traxxas TQ 2.4GHz transmitter. MODEL WIRING DIAGRAM BL-2s Wiring Diagram The transmitter has two channels: Channel one operates the Motor steering, and channel two operates the throttle. The receiver...
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Make certain you choose the correct type of charger for the batteries you If the status LED flashes red, the transmitter batteries. select. Traxxas recommends you choose a genuine Traxxas EZ-Peak iD batteries may be weak, discharged, or charger for safer charging and maximum battery life and performance.
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This eliminates the need to worry over retainer. charger settings and menus for the easiest and safest charging solution possible. Visit Traxxas.com to learn more about this feature and available Traxxas iD chargers and batteries. 14 • JATO 4X4 BRUSHLESS...
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Secure, long-lasting, and easy to Antenna reduced radio range and the included 1.5mm wrench. Tube grip, the Traxxas connector is engineered to extract all the power your potential loss of control. battery has to give. When reinstalling the antenna, first slide the antenna wire into the bottom of the antenna tube until the white tip of the antenna is at the top of the tube under the black cap.
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• Always use new or freshly charged batteries for the radio system. before running your model. Weak batteries will limit the radio signal between the receiver and the transmitter. Loss of the radio signal can cause you to lose control of your model. 16 • JATO 4X4 BRUSHLESS...
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5. Turn the steering wheel on the transmitter back and forth and check for rapid operation of the steering servo. Also, check that the steering mechanism is not loose or binding. If the steering operates slowly, check for weak batteries. JATO 4X4 BRUSHLESS • 17...
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(0.125 sec on / 0.125 sec Error longer bound. Turn the system off ) off and then back on to resume normal operation. Find source of the link failure (i.e., out of range, low batteries, damaged antenna). 18 • JATO 4X4 BRUSHLESS...
Battery connector: 2. Turn on the transmitter (with the throttle at neutral). indicating that Low-Voltage Detection is activated to prevent over-discharging of Traxxas iD® High-Current 3. Press and hold the EZ-Set button (A). The LED will first Connector LiPo batteries. LiPo batteries are intended only for the most advanced users that turn green and then red.
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Adjust the Throttle Trim to the middle “0” setting. then solid red and then begins blinking red (indicating the Profile numbers). 3. When the LED blinks red three times, release Green to Red to Off Three blinks Red the EZ-Set button. 20 • JATO 4X4 BRUSHLESS...
• The Traxxas TQ 2.4GHz transmitter is not water resistant. Do not subject it to speed and with repetitive hard acceleration.
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You do not need to lubricate the gears. • Motor: Remove the motor, clean with aerosol motor cleaner, and re-oil the bearings with lightweight motor oil. Be sure to wear eye protection when using spray aerosol cleaners. 22 • JATO 4X4 BRUSHLESS...
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6. Arrange the wires neatly using the wire guides in the receiver box. 7. Apply a small bead of silicone grease (part #1647) to the wire clamp. 8. Install the wire clamp and tighten the two 2.8x12mm cap screws securely. JATO 4X4 BRUSHLESS • 23...
2. Move the rear shocks to Incorrect gear mesh is the most common cause of stripped spur position 4 or 5 on the gears. Jato 4X4 Brushless makes improper gear mesh virtually suspension arms. impossible. A factory installed fixed gear adapter helps set the 3.
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Repetitive starting and stopping over short distances creates excess heat and will not allow the fan to cool the motor properly. For this type of driving, smaller pinion gears are recommended to reduce load on the motor. JATO 4X4 BRUSHLESS • 25...
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Traxxas cannot recommend the use of other non-Traxxas wheels with Jato 4X4 Brushless will generally benefit from higher viscosity oil different specifications. The diameter of the wheels is an innovative when climbing or racing on low traction surfaces. Note: Heavier oil...
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2. Turn the chassis over and remove the four 3x12mm countersunk screws that hold the skid plate to the bulkhead. 3. Slide the skidplate off the chassis. 4. Remove the 3x15mm button-head screw from the tie bar. 5. Remove the tie bar from the chassis. JATO 4X4 BRUSHLESS • 27...
4. Check the wiring for any frayed wires or loose connections. overtightening. If the bottom of the shock is leaking, then it 5. Check the mounting of the receiver and servo(s) and is time for a rebuild. The Traxxas rebuild kit for two shocks is speed control. part #8455.
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Suspension and slipper clutch assembly removal Your Jato 4X4 Brushless was designed with ease of disassembly in mind. The entire front and rear suspension assemblies can be removed from the chassis fully intact with the removal of only a few screws. Refer to the exploded views included in the your model’s Service Support Guide for complete assembly diagrams.
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