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Kunray Manuals & User Guides

Kunray offers electric motors, controllers, LCD displays and conversion kits for e-bikes, scooters, go-karts and DIY electric vehicle upgrades and repair projects.

Tip: include the full model number printed on your Kunray label for the best match.

About Kunray manuals on Manuals.plus

Kunray offers electric motors, controllers, LCD displays and motor kits for e-bikes, scooters, go-karts and DIY electric vehicle projects.

Browse manuals for installation, wiring, display settings and troubleshooting. Match the guide to your exact model and voltage rating before connecting components or changing settings.

Kunray manuals

Selected manuals from manuals+ curated for this brand.

Kunray 72V 5000W Motor Parameter Assembly Instructions

October 15, 2026
72V 5000W MOTOR PARAMETER PRODUCT PARAMETER Fashionable appearance, powerful, fast speed, low noise, minimal modifications, easy installation, and easy travel Rear Rotate Motor Rated Voltage(V) / 72V Rated Power(W) /…

Kunray manuals from online retailers

Kunray 72V 3000W Electric DC Motor Kit Instruction Manual

72V 3000W • March 6, 2026
Comprehensive instruction manual for the Kunray 72V 3000W Electric DC Motor Kit, including brushless controller and half twist throttle. Covers setup, operation, maintenance, troubleshooting, and detailed specifications for…

Kunray 48V 2000W Brushless DC Motor Controller User Manual

48V 2000W Brushless DC Motor Controller • December 23, 2025
Comprehensive user manual for the Kunray 48V 2000W Brushless DC Motor Controller, including specifications, installation instructions, wiring diagrams, operation, safety guidelines, and maintenance.

Kunray 48V 1000W Brushed DC Motor Kit Instruction Manual

48V 1000W Brushed DC Motor Kit • December 16, 2025
Comprehensive instruction manual for the Kunray 48V 1000W Brushed DC Motor Kit, including setup, operation, maintenance, and specifications for electric bikes, ATVs, and go-karts.

Kunray MY1020 48V 2000W Brushless DC Motor User Manual

MY1020 • December 12, 2025
This manual provides comprehensive instructions for the Kunray MY1020 48V 2000W Brushless DC Motor, covering safety, installation, operation, maintenance, and technical specifications for various electric vehicle and DIY…

Kunray Electric DC Motor 48V 2000W Motor Instruction Manual

MY 1020 • September 6, 2025
Comprehensive instruction manual for the Kunray Electric DC Motor 48V 2000W (Model MY 1020), covering features, specifications, installation, operation, maintenance, and troubleshooting for electric scooters, dirt bikes, and…

Kunray MXUS XF08 Brushless Gear Hub Motor User Manual

MXUS XF08 • 1 PDF • June 11, 2026
Instruction manual for Kunray MXUS XF08 Brushless Gear Hub Motor, covering installation, operation, maintenance, troubleshooting, and specifications for 24V, 36V, and 48V e-bike rear motors.

72V 5000W Brushless Controller Instruction Manual

KR5V 100A • 2 PDFs • April 8, 2026
Comprehensive instruction manual for the Kunray 72V 5000W Brushless Controller, including specifications, installation, wiring, operation, programming, and troubleshooting.

Kunray Ebike/E-Scooter Controller Kit Instruction Manual

G51, GZ3, S830 Displays with 250W/350W/500W Controllers • January 26, 2026
Comprehensive instruction manual for Kunray Ebike/E-Scooter Controller Kits, including setup, operation, maintenance, troubleshooting, and specifications for G51, GZ3, and S830 displays with 250W, 350W, and 500W controllers.

Kunray E-bike Display and Controller Kit User Manual

124DX-FT Display and S8-61 Controller Kit • December 22, 2025
Comprehensive user manual for the Kunray 124DX-FT E-bike Display and S8-61 Brushless DC Motor Controller, including installation, operation, settings, and troubleshooting.

Kunray BS-21 Brushless DC Motor Controller User Manual

BS-21 • November 7, 2025
Comprehensive user manual for the Kunray BS-21 36V/48V 500W Brushless DC Motor Controller, including specifications, installation, operation, and troubleshooting for electric bicycles and scooters.

Kunray support FAQ

Common questions about manuals, registration, and support for this brand.

  • How do I find the correct Kunray manual?

    Match the model number, voltage and power rating on your motor, controller or display to the manual title and specifications. Similar-looking components may use different wiring or settings.

  • What should I check before installing a Kunray motor kit?

    Check the model-specific instructions for mounting dimensions, battery voltage, controller compatibility and wiring. Follow all safety warnings and local vehicle-use regulations.

  • How do I configure a Kunray LCD display?

    Use the instructions for your exact display and controller combination. Settings such as voltage, wheel diameter and assist levels vary by model; do not copy settings from an unrelated display.

  • Who can help with Kunray compatibility or troubleshooting?

    Contact your seller or use the manufacturer contact listed in your manual. The Kunray XF08 documentation lists salemanager@cnkunray.com. Include your model details and a description of the problem.

  • Where can I find warranty or registration information?

    Check the paperwork supplied with your product or contact the seller for applicable warranty terms and any registration requirements. No dedicated warranty or registration page has been confirmed.