Answering the common buyer question, these five products are among the most relevant components for converting a motorcycle or similar light vehicle to electric propulsion. The selections focus on high-performance motors, compatible controllers, and essential hardware that together form a coherent EV conversion kit approach. This guide helps buyers choose the right motor, controller, and accessories based on project type, load needs, and installation simplicity.
Summary Table of Chosen Products
- Zarko 72V 1000W Brushless DC Motor with Gearbox and Speed Controller
- Kemblawolf 72V 1500W Brushless DC Motor
- D155A-70 10KW Mid Drive Motor PMSM
- Haofy 72V 350A Brushless DC Motor Controller
- Banjo EV to EVX Motor Adapter Kit
Zarko 72V 1000W Motor With Gearbox Kit
The Zarko kit combines a 72V 1000W brushless motor with a built-in gearbox and sine wave controller. It is engineered for electrifying dirt bikes, go karts, drift trikes, and lightweight motorcycles. The sine wave controller reduces noise and improves throttle response, while the gearbox provides torque multiplication for smoother acceleration. It supports substantial vehicle loads, making it suitable for utility or performance builds.
Best for: builders seeking an all-in-one, compact motor-and-controller solution with smooth torque and easy throttle control. This kit favors riders prioritizing quiet operation and reliable low-speed torque for off-road or utility projects.
Caution: Verify compatible mounting geometry and sprocket alignment with your frame to avoid misfit or belt/chain tension issues. Ensure your battery pack is matched to the 72V system for safe operation.
Banjo EV to EVX Motor Adapter Kit
The Banjo EV to EVX adapter kit provides compatibility between newer EVX motors and older valve-body configurations. This adapter solves integration challenges when upgrading an existing electric drivetrain by enabling newer motors to fit compatible valve bodies. It is a practical choice for builders updating older platforms without reworking the entire frame.
Best for: project owners upgrading an existing drivetrain who need a reliable compatibility bridge between new motors and older mounting interfaces. Choose this if your frame or vehicle currently uses an older valve-body setup.
Caution: Adapter compatibility depends on the precise motor and valve body variants in your build. Confirm the exact models before purchase to avoid fitment issues.
Kemblawolf 72V 1500W Brushless DC Motor
The Kemblawolf motor delivers 1500W at 72V with a high-speed 4900 RPM capability and 3.3N.m torque. Its brushless design promotes longer lifespan, reduced heat buildup, and minimal maintenance compared to brushed motors. The unit is suitable for e-bikes, go-karts, tricycles, and DIY mid-drive conversions, especially when paired with compatible gear systems (16T gears are noted in product specs).
Best for: riders needing higher continuous power and faster top speed for performance-oriented builds. It’s a strong option for mid-drive configurations on light-vehicle conversions requiring reliable power delivery.
Caution: Ensure your drive system and gearing are compatible with the motor’s high RPM and torque profile to avoid overloading chain or belt components.
D155A-70 10KW Mid Drive PMSM Motor
The D155A-70 is a 10KW mid-drive PMSM motor designed for electric motorcycles and scooters, featuring a sprocket-ready setup for straightforward drivetrain integration. The motor emphasizes direct drive alignment and durable construction for robust performance in high-power builds. It claims easy installation with aligned mounting, and copper windings for durability.
Best for: conversions that require substantial horsepower and a mid-drive architecture, delivering strong acceleration and hill-climbing capability in a compact form factor. Ideal for builders pursuing high-performance street or light off-road applications.
Caution: High-power setups demand appropriate battery capacity, thermal management, and motor controller matching to prevent overheating during extended use.
Haofy 72V 350A Brushless DC Motor Controller
The Haofy controller offers 350A bus current and 680A phase current, enabling strong torque and rapid response for 72V systems. It includes self-learning features to auto-detect motor phase and sensor wiring, reducing installation complexity. A built-in water-cooling option helps dissipate heat for sustained performance in high-demand conditions.
Best for: setups needing quick, reliable electronic control with auto-configuration and effective cooling. This controller is well-suited for high-power builds where heat management is essential.
Caution: Ensure correct wiring to Hall sensors and motor phases to avoid throttle latency or incorrect motor direction. Verify compatibility with your chosen motor and battery system for safe operation.
Buying Guide: EV Conversion Kit Motorcycle Components
What kind of motor do you need?
For light motorcycles and ATVs, consider a 72V brushless DC motor with a gearbox or a direct-drive mid-drive motor. Gearbox-based motors can provide smooth low-end torque, while high-RPM, direct-drive motors excel at speed. Choose based on your desired riding style and load requirements.
Why choose a mid-drive motor?
Mid-drive motors, like the D155A-70, place the motor near the crank, enabling efficient gear use and better hill-climbing performance. They often deliver better weight distribution, but require careful integration with the vehicle’s drivetrain and controller.
What about the controller?
A self-learning controller can simplify installation by auto-detecting wiring, reducing trial-and-error. Consider thermal management (air or water cooling) for high-power setups to prevent overheating during long rides or heavy loads.
Hardware compatibility matters
Adapters like the Banjo EVX kit help bridge different motor and drivetrain configurations. Check bolt patterns, frame clearance, and sprocket compatibility to avoid misfits. Hardware kits, including fasteners and gaskets, keep fairings and windshields secure under varying wind conditions.
Tips for a safer, durable build
- Match voltage and current ratings across motor, controller, and battery to avoid overload.
- Plan for adequate battery capacity and cooling to sustain performance.
- Verify mounting points, sprockets, and chain/belt tensions to prevent misalignment.
- Use weatherproofing where applicable to protect electrical connections.
FAQ
- What is the advantage of a sine wave controller? Answer: It reduces motor noise and improves throttle smoothness and longevity compared to simpler control methods.
- Do I need a mid-drive motor for my bike build? Answer: A mid-drive motor offers efficient power use through the bike’s gears and better balance, but requires precise installation and gear matching.
- Can I reuse existing hardware when upgrading? Answer: Some adapters and hardware kits enable compatibility, but always verify fitment for your frame and motor model.
- Is water cooling necessary? Answer: Water cooling is beneficial for high-power systems to maintain steady performance during extended use or hot climates.
- How do I avoid overheating? Answer: Use appropriate thermal management, properly matched components, and avoid sustained high-current operation without adequate cooling.