Kunray KR5V Modified Razor Motor - 72V (V2)

🚚 Ships in 3-5 business days or less!

KUNRAY KR5V V2 72V 5000W Brushless Mid Drive Motor

Take your electric build to the next level with the KUNRAY KR5V V2, a high-performance 72V 5000W brushless mid-drive motor designed for riders who demand serious power, reliability, and speed. Featuring an upgraded housing, reinforced motor shaft, and expanded sprocket compatibility, the KR5V V2 is built to handle the demands of high-performance dirt bikes, electric motorcycles, go-karts, and Razor conversions.

Whether you're upgrading an existing setup or building a custom machine from the ground up, the KR5V V2 delivers impressive torque, smooth power delivery, and the durability needed for aggressive riding.

Key Features

✅ 72V Brushless Mid-Drive Motor

✅ 5,000W Rated Power

✅ 10,000W Peak Power

✅ 60A Rated Current

✅ 5,000 RPM Rated Speed

✅ Up to 8,000 RPM Maximum Speed

✅ 8.5 Nm Rated Torque

✅ 35 Nm Peak Torque

✅ Reinforced Motor Shaft for Increased Durability

✅ Upgraded Motor Housing

✅ Expanded Sprocket Compatibility

Razor Direct-Fit Compatibility

The KR5V V2 mounts directly into:

• Razor MX650
• Razor MX500
• Razor SX500
• Indian eFTR Mini / Indian650
• RSF650

No frame modifications required.

Performance

When paired with a 6.0 gear ratio and a 72V battery system, riders have achieved speeds of up to 60 MPH at full charge using 100 line amps. Actual performance will vary based on rider weight, wheel size, tire size, gearing, battery configuration, and riding conditions.

Perfect For

• Electric Dirt Bikes
• Razor MX/SX Performance Builds
• Electric Motorcycles
• Go-Karts
• Custom EV Projects

If you're looking for a proven motor capable of delivering serious acceleration, high top speeds, and dependable performance, the KUNRAY KR5V V2 is an excellent choice for your next electric vehicle build. 🚀⚡