🏷️ Basic Information Identification Make: Yamaha Model: WR426F Year: 2005 Generation: Second Generation (WR400F/WR426F) 📋 Manual Details Product Information Product Name: Yamaha WR426 WR426F 2005 Repair Service Manual Manual Type: Repair Service Manual Delivery Method: Instant Download Language: English File Format: PDF Specifications: Full Printable Features: Zoom IN/OUT Requirements: Adobe PDF Reader & WinZip Compatibility: All Versions of Windows & Mac Coverage Content: Step-by-step repair procedures, critical specifications, illustrations/pictures, maintenance, disassembly, assembly, cleaning, and reinstalling procedures. Target Audience: Professional technicians and DIY mechanics with basic mechanical/electrical knowledge. ⚙️ Engine Specifications Engine Details Engine Type: 4-Stroke, Liquid-Cooled, DOHC, 4-Valve Displacement: 426 cc Bore X Stroke: 95.0 x 60.1 mm Compression Ratio: 12.7:1 Fuel System: Carburetor (Mikuni TM40) 🔧 Transmission Gearbox Type: Constant Mesh, 5-Speed Clutch: Wet, Multiple-disc 📐 Dimensions Physical Dimensions Overall Length: 2150 mm (84.6 in) Overall Width: 815 mm (32.1 in) Overall Height: 1225 mm (48.2 in) Seat Height: 980 mm (38.6 in) Wheelbase: 1475 mm (58.1 in) Ground Clearance: 350 mm (13.8 in) 🔧 Maintenance Lubrication Engine Oil Type: Yamalube 4 (or equivalent SAE 10W-30) Engine Oil Capacity: 1.0 L (1.1 US qt, 0.93 Imp qt) Transmission Oil Type: Yamalube Gear Oil (or equivalent SAE 80 hypoid gear oil) Transmission Oil Capacity: 0.75 L (0.79 US qt, 0.66 Imp qt) Suspension Front Fork Oil Type: Yamalube Fork Oil (or equivalent SAE #5) Front Fork Oil Quantity: 586 ml (20.2 US oz) 📄 Chassis Frame Frame Type: Aluminum, Diamond Type Suspension Front Type: Telescopic, Inverted Fork Travel: 270 mm (10.6 in) Suspension Rear Type: Swingarm (Monocross suspension) Travel: 280 mm (11.0 in) Brakes Front Type: Hydraulic Disc Brakes Rear Type: Hydraulic Disc Tires Front Size: 80/100-21M/C 51M Tires Rear Size: 110/100-18M/C 64M Wheels Rim Size Front: 21 x 1.60 Rim Size Rear: 18 x 2.15 Fuel Capacity Type: Unleaded gasoline Tank Capacity: 7.0 L (1.85 US gal, 1.54 Imp gal) 📄 Electrical Ignition Type: CDI Battery Type: YTX4L-BS (12V, 3.0Ah)