This workshop service manual covers the Yamaha YZF-R15 model years 2008, 2009, 2010, and 2011. The YZF-R15 is an entry-level sportbike renowned for its sharp, aggressive styling inspired by Yamaha's larger R-series supersport motorcycles. It emphasizes aerodynamic efficiency and rider ergonomics, offering accessible performance and handling that competes effectively within its segment. Known for its liquid-cooled, 4-stroke, single-cylinder engine, typically around 149.8cc, and a 6-speed transmission, this model brings Yamaha's legacy of motorsports and innovation to a smaller displacement category. This comprehensive 337-page English manual provides detailed guidance for maintaining and repairing the Yamaha YZF-R15. It covers essential areas including engine systems, drivetrain, chassis, and electrical systems, along with bodywork and trim. The manual details routine maintenance, tune-up procedures, diagnostic troubleshooting, and step-by-step repair and overhaul instructions for all major components. It is designed to assist mechanical technicians and knowledgeable owners in performing tasks efficiently, ensuring the longevity and optimal performance of the vehicle. 🏷️ Basic Information Identification Make: Yamaha Model: YZF-R15 Generation Model Years: 2008, 2009, 2010, 2011 Codes Chassis Code: Likely based on earlier Yamaha sportbike platforms, specific internal codes not detailed in product info. 👋 Introduction Market Position Segment: Entry-level sportbike, known for its accessible performance and handling. Competitive Analysis Key Competitors: Competes with other 150cc sportbikes from brands like Honda (CBR150R), Suzuki (GSX-R150), and Kawasaki (Ninja 150) in various markets. Key Features Design Philosophy: Sharp, aggressive styling inspired by Yamaha's larger R-series supersport motorcycles, emphasizing aerodynamic efficiency and rider ergonomics. Manual Utility: Aims to provide comprehensive repair and maintenance information to enable owners to perform tasks like a professional technician, saving time and money. 📋 Manual Details Coverage Areas Applicable Models: Yamaha YZF-R15 (2008, 2009, 2010, 2011) Page Count Total Pages: 337 Manual Type Type: Workshop Service Manual Language Language: English Format File Format: PDF 📖 Manual Coverage Systems Covered Engine Systems: Engine disassembly and assembly, lubrication, fuel system, ignition system, exhaust system. Drivetrain Systems: Transmission (including disassembly/assembly), clutch operation. Chassis Systems: Frame, suspension (front and rear), steering, wheels, tires, brakes. Electrical Systems: Electrical system diagnosis and repair, ignition, lighting, battery, charging system, wiring diagrams (implied). Bodywork And Trim: Body panel removal and installation, fairings, seating. Procedures Included Maintenance And Tune Ups: Routine maintenance, tune-up procedures, scheduled servicing. Diagnostic And Troubleshooting: Diagnostic procedures for common issues, fault finding. Repair And Overhaul: Detailed repair and overhaul instructions for all major components. Component Installation And Removal: Step-by-step instructions for removing and installing parts and assemblies. Technical Depth Depth Of Coverage: Comprehensive, covering routine maintenance to major engine and transmission overhauls. Target Audience: Primarily mechanical technicians familiar with BRP products and general automobile practices, but also suitable for knowledgeable DIY owners. 📊 Manual Specifications File Format Format Details: PDF, downloadable, printable. Print Quality Printability: Yes, printable. Binding Type Binding: N/A (Digital PDF) Paper Type Paper: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Type: Likely a liquid-cooled, 4-stroke, SOHC, 4-valve, single-cylinder engine. Displacement: Approximately 149.8cc (based on general YZF-R15 specifications). Performance Horsepower: Typically around 17-18 PS at 8500 rpm (varies by market and specific tuning). Torque: Around 15 Nm at 7500 rpm (varies by market and specific tuning). Fuel System Fuel Delivery: Likely fuel injection (FI) in later models, though early models may have featured carburetion. The manual covers the specific system present. Cooling System Cooling Method: Liquid-cooled. Ignition System Ignition Type: Transistor Controlled Ignition (TCI) or similar electronic ignition system. 🔧 Transmission Standard Gearbox Type: Constant mesh, 6-speed return. Optional Optional Gearbox: N/A (Only one standard transmission type). Features Clutch Type: Wet, multiple-disc clutch. Final Drive: Chain drive. 📐 Dimensions Exterior Length: Approx. 1970 mm. Width: Approx. 670 mm. Height: Approx. 1070 mm. Weights Dry Weight: Approx. 130 kg. Seat Height: Approx. 800 mm. Ground Clearance: Approx. 165 mm. 🛡️ Safety Features Ratings Safety Ratings: N/A (Motorcycle safety ratings typically differ from automotive standards). Active Features Braking System Front: Hydraulic disc brake, single rotor. Braking System Rear: Hydraulic disc brake, single rotor. ABS: Not standard on all models/markets of this generation; manual will detail if equipped. Passive Features Lighting: Halogen headlamp, LED tail lamp (common for this model). 💡 Technology Features Infotainment Instrument Cluster: Digital instrument cluster with speedometer, tachometer, fuel gauge, gear indicator, trip meters, and warning lights. Driver Assistance Rider Aids: Limited rider aids typical for this segment; ABS may have been an option on some later models. Connectivity Connectivity Features: N/A (No modern connectivity features like Bluetooth or smartphone integration on this generation). 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 3,000-5,000 km or 6 months (refer to manual for precise interval and oil type). Spark Plug Replacement: Usually around 10,000-15,000 km (specific plug type and gap detailed in manual). Air Filter Cleaning Replacement: Inspect every 5,000 km, clean or replace as needed. Manual will specify type and procedure. Fluid Specifications Engine Oil...