This manual covers the 2013 Yamaha SRX120, an entry-level to mid-range recreational snowmobile designed for trail riding and casual use. Yamaha has a long history of producing reliable and innovative snowmobiles, and the SRX120 builds on this legacy with a focus on ease of use and moderate performance. This model is engineered for reliability, offering a dependable experience for recreational riders. The purpose of this comprehensive service repair manual is to provide detailed information for the maintenance and repair of the 2013 Yamaha SRX120 snowmobile. It includes procedures for engine, fuel system, drivetrain, suspension, steering, brakes, electrical system, and chassis. This manual offers systematic troubleshooting guidance, step-by-step repair instructions, inspection procedures, and technical specifications, making it an essential resource for owners and technicians to keep the vehicle in optimal condition.