Basic Information Identification Make: Buell Model: 1125R / 1125CR Model Years Covered: 2007, 2008, 2009, 2010 Vehicle Type: Sportbike / Streetfighter Engine Type Primary: V-Twin, Four-Stroke Codes Vin Code Engine Variant: Refer to specific model year for exact VIN decoding Introduction Market Position Positioning: High-performance sportbike and streetfighter segment, characterized by unique design and engineering. Competitive Analysis Competitors: Competed against European and Japanese sportbikes of similar displacement and performance from brands like Ducati, Aprilia, Yamaha, Kawasaki, and Suzuki. Key Features Unique Engineering: Unique chassis design, distinctive styling, and the Rotax Helicon engine. Designer: Engineered by Erik Buell with significant input from Rotax. Target Audience Intended User: Motorcyclists seeking a performance-oriented, American-designed motorcycle with a focus on handling and braking. Manual Details Coverage Areas Primary Coverage: Complete Service, Repair, and Maintenance Diagnostic Coverage: All diagnostic procedures Repair Coverage: All repair procedures, A-Z Maintenance Coverage: All scheduled and unscheduled maintenance Rebuild Coverage: Complete engine and component rebuilds Restoration Coverage: Restoration procedures for all systems Page Count Estimated Page Count: Varies by specific model year and trim, typically 500+ pages for comprehensive manuals Manual Type Type: Service Repair Workshop Manual Language Language: English Format File Format: PDF Manual Coverage Systems Covered Powertrain: Engine mechanical, fuel system, ignition system, lubrication system, cooling system, exhaust system Transmission: Clutch, gearbox, final drive (belt drive system) Chassis: Frame, suspension (front and rear), steering, wheels, tires Brakes: Front and rear braking systems, hydraulic lines, calipers, rotors, master cylinders Electrical: Battery, charging system, starting system, lighting system, instrumentation, ignition control, fuel injection control (ECU), sensors, wiring diagrams Body: Fairings, body panels, seats, fuel tank, fenders, controls Procedures Included Routine Maintenance: Oil changes, filter replacements, chain adjustment (if applicable, though 1125 uses belt), brake fluid changes, coolant flushes, spark plug replacement, air filter cleaning/replacement Troubleshooting: Step-by-step diagnostic procedures for common and uncommon issues Component Replacement: Detailed instructions for replacing major and minor components Engine Rebuild: Full engine disassembly, inspection, repair, and reassembly procedures Suspension Service: Fork seal replacement, shock absorber service, linkage maintenance Electrical Diagnostics: Fault code retrieval, sensor testing, wiring harness inspection Technical Depth Depth: Comprehensive, from basic adjustments to full overhauls, suitable for professional technicians and skilled DIY enthusiasts Diagnostic Tools: Information on required special tools and diagnostic equipment Specifications: Torque specifications, clearances, fluid capacities, electrical values Manual Specifications File Format Format: PDF Searchability: Searchable text content within PDF Print Quality Printability: High-quality printable pages Binding Type Binding: N/A (Digital PDF Download) Paper Type Paper Type: N/A (Digital PDF Download) Engine Specifications Primary Engine Engine Manufacturer: Rotax Engine Code: Rotax Helicon Engine Configuration: V-Twin, 72-degree angle Displacement: 1125 cc (1.125 Liters) Bore X Stroke: 103 mm x 65 mm Valve Train: DOHC, 4 valves per cylinder Performance Horsepower Peak: Approximately 150 hp @ 9,500 rpm (subject to specific model year tuning) Torque Peak: Approximately 87.5 lb-ft (118.6 Nm) @ 8,000 rpm (subject to specific model year tuning) Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) Fuel Type: Unleaded Premium Gasoline (91+ octane recommended) Cooling System Cooling Method: Liquid-Cooled Lubrication System Oil Type Recommended: Refer to manual for specific viscosity (e.g., 10W-50 Synthetic Motorcycle Oil) Oil Capacity: Refer to manual for exact capacity (typically around 3.7 quarts / 3.5 liters with filter change) Transmission Standard Transmission Type: 6-Speed Constant Mesh Manual Clutch Type: Wet, Multi-plate Final Drive: Belt Drive (Carbon reinforced belt) Features Gear Ratios: Detailed gear ratios available in manual. Transmission Fluid: Refer to manual for specific gearbox oil specification and capacity. Dimensions Exterior Wheelbase: Approximately 58.5 inches (1486 mm) Seat Height: Approximately 32.5 inches (825 mm) Weights Dry Weight: Approximately 420 lbs (190.5 kg) Fuel Capacity: Approximately 4.4 gallons (16.7 Liters) Safety Features Ratings Safety Ratings: N/A (Motorcycle safety ratings typically not standardized like cars) Active Features Braking System Type: Dual front disc brakes with 6-piston calipers, Single rear disc brake with 1-piston caliper. 'Zero Torsion' front brake system. Optional ABS: ABS was an option on some models. Passive Features Frame Design: Aluminum frame with integrated fuel-in-frame design. Technology Features Infotainment Infotainment System: Not applicable (basic rider information display). Driver Assistance Driver Assistance Features: ABS (optional), advanced braking system design. Connectivity Connectivity Features: Not applicable. Maintenance Service Intervals Oil Change Interval: Refer to manual for specific mileage/time intervals (e.g., every 3,000-5,000 miles or annually). Belt Tension Check: Regular inspection and adjustment of the belt tension as per manual specifications. Coolant Flush Interval: Refer to manual for recommended intervals. Fluid Specifications Coolant Type: Ethylene glycol based motorcycle coolant (refer to manual for specific mix ratio). Brake Fluid Type: DOT 4 (refer to manual for confirmation). Known Issues Common Concerns: Potential for fuel pump issues, occasional electrical gremlins, belt longevity under extreme use. Refer to the manual for detailed troubleshooting. Vehicle History Brand Heritage Founder: Erik Buell Brand Focus: American performance motorcycles, known for innovative chassis design and braking....