This manual covers the 2007-2008 Yamaha Phazer and Venture snowmobile models, including variants such as the Phazer FX, GT, Mountain Lite, MTX, RTX, and the Venture Lite and Multi Purpose. These snowmobiles are powered by a 499cc, liquid-cooled, 4-stroke, inline twin-cylinder engine featuring DOHC and EFI fuel delivery. Known for Yamaha's reputation for engineering quality and reliability, these models offer a balance of performance and versatility for trail riding and various snow conditions. The Phazer line emphasizes maneuverability, while the Venture models focus on comfort and utility, often with two-up seating. This comprehensive service manual provides detailed guidance for the repair, maintenance, and troubleshooting of your Yamaha Phazer or Venture snowmobile. It covers all major systems, including the engine, fuel, lubrication, cooling, transmission, drivetrain, electrical, steering, suspension, braking, and bodywork. Included are procedures for routine maintenance, major repairs, diagnostic charts, and essential technical specifications such as torque values and fluid capacities. This manual is an indispensable resource for owners, mechanics, and technicians seeking to maintain the optimal performance and longevity of their 2007-2008 Yamaha snowmobile.