This comprehensive service manual provides detailed instructions and technical specifications for the Yamaha RX-E600 and NX-E400 electric bikes. The manual covers a wide range of maintenance and repair procedures, including troubleshooting, disassembly, assembly, and component replacement. It includes detailed diagrams, illustrations, and step-by-step instructions to ensure efficient and accurate repairs. You'll find information on the electrical system, motor, battery, brakes, suspension, and other key components. This manual is an essential resource for mechanics, technicians, and anyone seeking to perform repairs or maintenance on these Yamaha electric bikes.