ETM RTR 13kW TruMoto 6+7 Mod Powertrain Kit

ETM RTR 13kW TruMoto 6+7 Powertrain Upgrade Kit

Take your ETM RTR Pit Bike to insane new levels with our all-new 6+7 Powertrain Upgrade Kit—a high-performance package engineered for riders who demand more power, more torque, and absolute control over every twist of the throttle.

A Stronger, Smarter, More Efficient Motors

At the core of these upgrades is heavily upgraded Motors, featuring:
⚡ Larger rotor & stator for increased power output and efficiency.
⚡ Thinner laminations to reduce energy losses and maximize performance.
⚡ Higher-grade materials that improve durability and allow for a 30°C bump in max operating temperature—so you can push your bike harder and ride longer without overheating.

This means smoother power delivery, improved efficiency, and significantly enhanced thermal performance, giving you a bike that runs cooler and stronger even under extreme loads.

The TruMoto Little Bit V3 Controller – Total Tuning Control

Power means nothing without control. That’s where the TruMoto Little Bit V3 Controller comes in. Designed for precision performance tuning, this high-end controller gives you complete control over:

✅ Power output – Dial in the perfect amount of raw acceleration.
✅ Torque settings – Adjust for maximum low-end punch or smooth top-end power.
✅ Throttle curve – Fine-tune responsiveness to match your riding style.
✅ Regenerative braking – Control off throttle braking intensity to optimize efficiency and handling.
✅ More advanced tuning options – All fully adjustable through our sleek, easy-to-use mobile app.

With the TruMoto dashboard, you get a real-time performance readout, allowing you to monitor:

Speed, RPM, power and regen.
Battery level and voltage.
Built-in 0-30MPH and 0-60MPH timers—because bragging rights matter.

Performance Gains That Speak for Themselves

Even on the stock battery, riders can obtain A massive 40% increase in torque – Crush hills and rip through technical terrain with ease.

Want even more? Pair this upgrade with our Mod or Touring batteries, and the power potential becomes astronomical 60% more Power and Torque; unleashing next-level performance that blows past factory limitations.

With a Mod or Touring Battery you can expect 6+7kW.... 6+7 = 13 ... Thats 13kw of Absurdity!

Throw in the Mod High Speed motor and reach speeds of up to 67 Miles Per Hour!

Plug & Play Simplicity – No Guesswork, Just Ride

We designed this kit to be completely plug-and-play, so there’s:
✅ No wiring headaches.
✅ No complicated setups.
✅ No modifications required.

It installs seamlessly with your ETM RTR Pit Bike, keeping everything factory-clean and professional while delivering game-changing performance.

ETM RTR 6+7 Kit Installation Instructions

TruMoto App & Controller Troubleshooting Guide

TruMoto Connectivity Troubleshooting Guide

Tech Specs

Power: 8kW Race Ready, 13kW Max with Mod or Touring Battery

72v Speed: High Torque & Revolver Motor = up to 50MPH, High Speed Motor = up to 67MPH

(Note: Stock 72v Battery is limited to 8kW and Top Speeds may vary. NOT RECOMMENDED FOR 60V, get a 72v battery first.)

IMPORTANT NOTES:

This Kit REQUIRES a Mod High Torque, Revolver Motor or Mod High Speed Motor and is NOT compatible with the stock motor.

Mod High Speed Motors are recommended for best overall performance and thermals.

Mod or Touring Batteries are strongly recommended but not required.

If you are selecting 14in rear wheel variant for an ETM RTR - Sport or ETM RTR Lite bike, a 96L chain is included and will need 4 links removed to make it 92L for compatibility on the stock swingarm. 

Required Gearing:

14 inch rear wheel: 8t / 63t

12 inch rear wheel: 8t / 55t

Display adjustments are required for accurate speed readings. Click HERE for tuning instructions

Note: See Sport column for 12 rear. See XL column for 14 rear.