Even if you are an experienced R/C enthusiast, it’s important to read and follow the procedures in this manual. BASIC TUNING Thank you again for going with Traxxas. We work hard every day ADJUSTMENTS to assure you receive the highest level of customer satisfaction possible.
Ready-To-Race, Ready-To-Win, CROSS-REFERENCES Slash, Slash 4X4, Velineon, and parts may be purchased directly from Traxxas by phone or online Throughout this manual, you’ll notice warnings and helpful hints ProGraphix are trademarks or at Traxxas.com. You can save time, along with shipping identified by the icons below.
SAFETY PRECAUTIONS All of us at Traxxas want you to safely enjoy your new model. • Transmitter on First: Switch on your transmitter first before Operate your model sensibly and with care, and it will be exciting, switching on the speed control to prevent runaways and erratic All instructions and safe, and fun for you and those around you.
Page 5
• ONLY use a Traxxas iD charger to charge Traxxas iD batteries. • ALWAYS use a Traxxas iD charger to charge Traxxas iD batteries. ONLY use a Lithium Polymer (LiPo) balance charger with a •...
Page 6
SAFETY PRECAUTIONS (continued from previous page) • DO NOT charge batteries inside of an automobile. DO NOT charge • If a battery gets hot to the touch during the charging process batteries while driving in an automobile. (temperature greater than 110°F / 43°C), immediately disconnect the battery from the charger and discontinue charging.
Traxxas High-Current connector* Traxxas recommends you choose a genuine Traxxas EZ-Peak® iD charger for safer charging, maximum Traxxas Power Cell LiPo iD® batteries are strongly recommended battery life, and performance for maximum performance and safer charging *Battery and charger style are subject to change and may vary from images.
QUICK START: GETTING UP TO SPEED The following guide is an overview of the procedures for getting your model running. Look for the Quick Start logo on the bottom corners of Quick Start pages. The Quick Start Guide is not intended to replace the 1.
INTRODUCTION Applying the Decals with each other. The VXL-3s electronic speed control is optimized Your model includes the latest Traxxas TQi 2.4GHz transmitter with to virtually eliminate cogging. Traxxas Link Model Memory. The transmitter’s easy-to-use design ™...
Page 11
TRAXXAS TQ RADIO & VELINEON POWER SYSTEM NiMH - Abbreviation for nickel-metal hydride. Rechargeable NiMH Trim - The fine-tuning adjustment of the neutral position of the batteries offer high current handling and much greater resistance servos, made by adjusting the throttle and steering trim knobs To prevent loss of radio range to the “memory”...
Page 12
CH1 - Steering Servo Trim CH1 - Channel 1* † *Not used Accessory sensor ports for use with standard voltage/temperature and RPM telemetry sensors (see Traxxas.com and included materials for more information) VXL-3s ELECTRONIC SPEED CONTROL Multi-Function Knob Traxxas High-Current Sensor Expansion...
Page 13
Make certain you choose the correct type of charger for the batteries you in the model. Refer to the Troubleshooting select. Traxxas recommends you choose a genuine Traxxas EZ-Peak iD section on page 31 for more information on the transmitter charger for safer charging and maximum battery life and performance.
Page 14
Note: There is some flex with resistance. Secure, long-lasting, and easy to grip, the Traxxas connector the battery strap. It is possible is engineered to extract all the power your battery has to give.
Page 15
(center) point of the steering channel. signal loss and resolve the Note: Traxxas Stability Management (TSM) problem before operating must be completely turned off while adjusting steering trim. See RADIO SYSTEM RULES your model again.
Page 16
TRAXXAS TQ RADIO & VELINEON POWER SYSTEM USING THE RADIO SYSTEM Range-Testing the Radio System The TQi Radio System has been pre-adjusted at the factory. The Before each running session with your model, you should range-test Using Reverse: While driving, adjustment should be checked before running the model in case of your radio system to ensure that it operates properly.
Page 17
3x4mm set was engineered into your Traxxas cut the metal tip, and do not screw. To remove the antenna tube, model by helping you to maintain...
To verify the Low-Voltage Detection setting: Detection setting), indicating the VXL-3s is on and at neutral (D). Battery connector: 1. Turn on the transmitter (with the throttle at neutral). Traxxas High-Current Once Green 2. Connect a fully charged battery pack to the VXL-3s. VXL-3s Operation Connector 3.
Page 19
ADJUSTING THE ELECTRONIC SPEED CONTROL VXL-3s Profile Selection 4. The LED will blink and then turn solid green The speed control is factory set to Profile #1 (100% forward, brakes, and reverse). (Low-Voltage Detection ACTIVE) or red (Low- Patented Training Mode To disable reverse (Profile #2) or to allow 50% forward and 50% reverse (Profile #3), Voltage Detection DISABLED).
RUNNING IN WET CONDITIONS • Use good, common sense whenever you are driving your model. Your new Traxxas model is designed with water-resistant features to Intentionally driving in an abusive and rough manner will only result protect the electronics in the model (receiver, servos, electronic speed in poor performance and broken parts.
Page 21
One way to do this is to make several high-speed passes on a flat, dry surface (if possible). • The Traxxas TQi transmitter is not water resistant. Do not subject it to 2. Remove the batteries. wet conditions such as rain.
Page 22
Label which wire is for which channel. 4. Apply a small bead of silicone grease (Traxxas part #1647) to the wire clamp. 5. Install the wire clamp and tighten the two 2.8x8mm cap screws securely.
Traxxas Part #1952X. These can add or remove 1.5° The suspension of your model has been set up for off-road toe per side, for a total of 1 to performance (position 2 on the front suspension arms and position 4 degrees per side.
Page 24
1/2 turn counterclockwise from fully compressed. If you have questions or need technical assistance, call Traxxas at 1-888-TRAXXAS Centering Your Servo If you have removed the servo horn from your model’s steering servo, (1-888-872-9927) (U.S. residents only)
Slipper Clutch Slipper Clutch 4x12BCS installed into these holes to system. The tie rod ends may wear out from use (Traxxas Parts #2742 and Assembly Assembly limit dirt entry. Use Traxxas #5525). Replace these components as needed to restore factory tolerances.
ADVANCED TUNING ADJUSTMENTS Gearing Compatibility Chart: increase the roll stiffness of the vehicle (similar to installing swaybars). CAMBER GAIN The chart below shows recommended Adding roll resistance to one end of the vehicle will tend to add traction Slash 4x4 has provisions for adjusting the camber gain geometry of the gear combination ranges for your model.
Page 27
ADVANCED TUNING ADJUSTMENTS GEARING LIPO BATTERIES One of the more significant advantages to your model’s transmission LiPo batteries are intended only for the most advanced users that are Velineon 3500 Specs is the extremely wide range of available gear ratios. Changing the educated on the risks associated with LiPo battery use.
Page 28
The rear differential is filled with grease, but can 3x15 BCS also be tuned with silicone differential oil. Only use silicone oil in the differentials. Traxxas offers SAE 10,000W, 30,000W, and 50,000W viscosity oil (see your parts list). The 4x10 differentials have to be removed from the vehicle and disassembled to change/replace oil.
Page 29
ADVANCED TUNING ADJUSTMENTS Rear differential: Refilling the differential: 1. Remove the two 3x20mm button-head screws that secure the 1. Remove the four 2.5x10mm screws from the differential case top bumper mount to diff case. and carefully pull the diff case halves apart. Work over a towel to collect any fluid that drips from the differential.
(set to The Multi-Function knob can be set to control Throttle Sensitivity. Starting Over: Traxxas Stability Management (TSM) by default, see page 17). Accessing Throttle Sensitivity works the same way as Steering Sensitivity, but Restoring Factory Defaults the programming menu is done by using the menu and set buttons on applies the effect to the throttle channel.
Page 31
This is especially handy if you operate multiple vehicles equipped with a built-in failsafe This allows you to fine-tune the servo settings to prevent binding with a single transmitter via Traxxas Link ™ Model Memory. function that returns the throttle...
Page 32
Model Lock Press and hold MENU to return to driving mode. The Traxxas Link Model Memory feature can store up to thirty models Note: To unlock a memory, press SET twice at step 5. The LED will (receivers) in its memory. If you bind a thirty-first receiver, Traxxas Link blink rapidly green to indicate the model is unlocked.
Page 33
Transmitter is restored to default Press Delete Model C onfirm Deletion Two Blinks Green One Blink Red *Torque Control is a feature designed only for use with the power system in the Traxxas Funny Car Race Replica (Model #6907).
Page 34
ADVANCED TUNING GUIDE Set Multi-Function MENU TREE FORMULAS knob for STEERING Press/hold MENU Press SET Press SET to confirm Press/hold MENU SENSITIVITY (Expo) To select functions and make adjustments to the TQi transmitter without green LED blinks red LED blinks green LED blinks (x8) returns to driving mode referencing the Menu Tree, turn your transmitter on, find the function in the...
Page 35
Real-Time Telemetry For more information about the Traxxas Link The powerful Traxxas Link app (available in the Apple App Store℠ or on When you equip your model Wireless Module and the Google Play™) gives you complete control over the operation and tuning...
Need help?
Do you have a question about the 68386-4 and is the answer not in the manual?
Questions and answers