🏷️ Basic Information Identification Make: Yamaha Model: YFZ450 Model Code: YFZ450S/T Year: 2004-2005 Vehicle Type: ATV (All-Terrain Vehicle) 📋 Manual Details Publication Info Manual Type: Service Manual / Workshop Manual Language: English Format: PDF Delivery Delivery Method: Download Requirements Reader Requirement: PDF Reader Extraction Utility Needed: Yes (if PDF is in archive) Content Coverage: General Information, Specifications, Periodic Checks and Adjustments, Engine, Cooling System, Carburetor, Chassis, Electrical, Troubleshooting, Wiring Diagram ⚙️ Engine Specifications Engine Layout Engine Type: Liquid-cooled, DOHC, 4-stroke, 5-valve, Single-cylinder Displacement Displacement: 449cc Fueling Fuel Delivery: Carburetor Ignition Ignition System: CDI Starting System Starting System: Electric Start / Kick Start 🔧 Transmission Drivetrain Drive Type: 2WD Gearing Transmission Type: Constant mesh, 5-speed Clutch Clutch Type: Wet, multi-disc 🔧 Maintenance Lubrication Engine Oil Type: Yamalube or equivalent Engine Oil Capacity: Refer to manual for specific capacity 📄 Chassis Suspension Front Front Suspension: Independent double wishbone Suspension Rear Rear Suspension: Swingarm Brakes Front Front Brakes: Dual hydraulic disc Brakes Rear Rear Brakes: Hydraulic disc Tires Front Front Tire Size: AT21x7-10 Tires Rear Rear Tire Size: AT20x10-9