🏷️ Basic Information Identification Make: Yamaha Model: XJ900 Generation Production Years: 1984-1994 Codes Chassis Codes: XJ900F, XJ900S Diversion (later variants) 👋 Introduction Market Position Target Audience: Mechanical technicians familiar with BRP products and general automobile practices, as well as knowledgeable owners aiming for DIY repairs. Competitive Analysis Value Proposition: Provides access to authorized dealer service department level information, enabling professional-quality repairs and maintenance, saving costs compared to dealership labor. Key Features Accuracy And Reliability: Endeavored to ensure accuracy, providing the most reliable information for effective vehicle maintenance and repair. Safety Emphasis: Highlights safety precautions and the importance of using safety equipment and tools like torque wrenches. Special Tool Identification: Identifies and illustrates special tools recommended or required for specific adjustments or repairs, often by Yamaha special tool number. Purpose Primary Aim: To help owners and technicians get the best value from their Yamaha XJ900 by facilitating informed maintenance and repair. 📋 Manual Details Coverage Areas Covered Models: Yamaha XJ900 (1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994) Page Count Number Of Pages: 223 Manual Type Type: Workshop Repair Service Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine: Complete repair and overhaul, including engine disassembly and reassembly. Transmission: Complete repair and overhaul, including transmission disassembly and reassembly. Fuel System: Detailed coverage of fuel system components, maintenance, and troubleshooting. Ignition System: Comprehensive information on the ignition system, including diagnostics and repair. Lubrication System: Procedures for lubrication system maintenance and repair. Exhaust System: Information related to the exhaust system components and servicing. Electrical System: Detailed coverage of the entire electrical system, including wiring diagrams and troubleshooting. Bodywork: Procedures for body panel removal, installation, and general body maintenance. Procedures Included Routine Maintenance: Instructions for routine maintenance and servicing procedures. Troubleshooting: Diagnostic and repair procedures for identifying and resolving common issues. Assembly Disassembly: Detailed step-by-step instructions for component and system assembly and disassembly. Tune Ups: Procedures for performing comprehensive tune-ups to optimize engine performance. Removal Installation: Guidance on the removal and installation of various vehicle components. Technical Depth Depth: Comprehensive, suitable for professional technicians, covering routine maintenance to full engine and transmission overhauls. 📊 Manual Specifications File Format File Type: PDF Print Quality Printable: Yes Binding Type Binding: Digital Download (PDF) Paper Type Paper Type: Not Applicable (Digital) Delivery Method Delivery: Fast and Free Electronic Delivery via Email ⚙️ Engine Specifications Primary Engine Type: Air-cooled, 4-stroke, DOHC, inline-four cylinder Displacement: 853 cc (52.0 cu in) Bore X Stroke: 67.0 mm x 61.0 mm (approximate for early models) Compression Ratio: 9.5:1 (typical) Power Output: Approx. 80-90 hp (60-67 kW) at 8,500 rpm (varies by year and market) Torque: Approx. 72 Nm (53 lb-ft) at 7,500 rpm (varies by year and market) Fuel System Carburetion: Four Mikuni BS32 or similar constant velocity carburetors Fuel Capacity: 22 Liters (5.8 US gal) (typical) Lubrication System Oil Capacity With Filter: Approx. 4.0 Liters (4.2 US qt) Cooling System Type: Air-cooled 🔧 Transmission Standard Type: 5-speed, constant mesh Optional Type: None specified Features Clutch: Wet, multiple disc, cable operated Final Drive: Shaft drive 📐 Dimensions Exterior Length: Approx. 2,200 mm (86.6 in) Width: Approx. 750 mm (29.5 in) Height: Approx. 1,250 mm (49.2 in) Weights Dry Weight: Approx. 230 kg (507 lbs) Wet Weight: Approx. 245 kg (540 lbs) 🛡️ Safety Features Ratings Safety Standards: Adheres to relevant motorcycle safety standards of its era; specific crash test ratings not applicable in the same manner as cars. Active Features Braking System Front: Dual disc brakes with twin-piston calipers (e.g., 298mm discs) Braking System Rear: Single disc brake with twin-piston caliper (e.g., 267mm disc) Suspension Front: Telescopic fork with adjustable air pressure and rebound damping (e.g., 41mm stanchions) Suspension Rear: Swingarm with adjustable twin shock absorbers (e.g., Monoshock system in later Diversion models) Passive Features Lighting: Halogen headlight, taillight, turn signals Instrumentation: Speedometer, tachometer, fuel gauge, indicator lights 💡 Technology Features Infotainment Audio System: Not equipped with integrated audio system in original factory configuration. Driver Assistance Electronic Aids: Lacks modern electronic rider aids such as ABS or traction control, as it predates widespread adoption. Connectivity Gps Integration: No integrated GPS or smartphone connectivity from the factory. 🔧 Maintenance Service Intervals Oil Change: Every 3,000-5,000 km (1,800-3,000 miles) or 6 months, whichever comes first (typical recommendation). Spark Plug Check: Every 6,000-10,000 km (3,700-6,000 miles) or annually. Valve Clearance Check: Every 12,000-18,000 km (7,500-11,000 miles) or as specified in the manual. Fluid Specifications Engine Oil Type: API SG, SF or SE, SAE 10W-40 or 20W-50 (consult manual for exact specifications based on climate). Brake Fluid Type: DOT 3 or DOT 4 (consult manual for specific recommendation). Coolant Type: Not applicable (air-cooled engine). Final Drive Oil: Yamalube Hypoid Gear Oil or equivalent SAE 85W-90 API GL-4 or GL-5. Known Issues Electrical Connections: Corrosion or loose connections in wiring...