🏷️ Basic Information Identification Make: Yamaha Model: DT250 / DT360 Codes Vehicle Identification Number Format: While specific VIN formats varied by year and region, typically included a manufacturer code, model code, and serial number. 👋 Introduction Market Position Target Audience: Owners and technicians seeking in-depth knowledge for maintaining and repairing Yamaha DT250 and DT360 motorcycles. Competitive Analysis Manual Advantage: Provides comprehensive, factory-level data, often surpassing generic aftermarket manuals in detail and accuracy for these specific models. Key Features Instant Access: Available for immediate download, eliminating waiting times. No Expiry: Unlimited access and usability without time limitations or renewal fees. Professional Resource: Presents information in a format used by professional mechanics, ensuring clarity and accuracy. 📋 Manual Details Coverage Areas Technical Coverage: Comprehensive repair, servicing, and troubleshooting for Yamaha DT250 and DT360 motorcycles. Model Years Covered: Covers a broad range of DT250 and DT360 models from their respective production eras (specific years should be confirmed with manual content). Page Count Estimated Pages: Hundreds (actual number not specified, but described as extensive). Manual Type Type: Factory Service Repair Workshop Manual Language Language: English Format Format: Downloadable PDF 📖 Manual Coverage Systems Covered Engine System: Engine disassembly, assembly, tuning, troubleshooting, specifications, and component testing for both 2-stroke engines. Transmission System: Gearbox inspection, repair, clutch operation, and lubrication. Fuel System: Carburetor service, jetting, fuel tank, fuel lines, and petcock operation. Ignition System: CDI ignition troubleshooting, spark plug specifications, and timing. Electrical System: Lighting, wiring diagrams, battery maintenance, charging system (alternator/stator), and troubleshooting electrical faults. Chassis Suspension: Front fork service, rear shock absorber maintenance, swingarm and linkage inspection. Braking System: Drum brake and disc brake (if applicable) adjustment, servicing, and inspection. Wheel Tire Assembly: Wheel bearing service, spoke tension adjustment, and tire replacement. Bodywork Frame: Fender removal/installation, seat, tank, and basic frame inspection. Exhaust System: Inspection and maintenance of the 2-stroke expansion chamber and muffler. Procedures Included Routine Maintenance: Oil changes, filter replacements, chain adjustment, lubrication points, and spark plug replacement. Troubleshooting Diagnostics: Step-by-step guides for identifying and resolving common mechanical and electrical issues. Engine Rebuild: Detailed procedures for complete engine disassembly, cleaning, inspection, and reassembly, including piston, rings, and crankshaft. Carburetor Tuning: Adjustment of idle speed, mixture, and main jet selection for optimal performance. Electrical System Repair: Component testing, wiring repair, and fuse replacement. Timing Adjustment: Procedures for checking and adjusting ignition timing for optimal engine performance. Clutch Adjustment: Instructions for adjusting clutch lever free play and clutch cable tension. Shock ABSorber Adjustment: Guidance on adjusting rear shock pre-load and damping (if applicable). Wheel Truing: Information on spoke tensioning and wheel truing for maintaining wheel integrity. Technical Depth Depth: Full factory level, suitable for professional mechanics and experienced DIY enthusiasts. Diagrams Photos: Hundreds of detailed photos and exploded diagrams illustrating procedures and component placement. Diagnostic Charts: Includes symptom-to-cause diagnostic charts for efficient troubleshooting. 📊 Manual Specifications File Format File Type: PDF Compatibility: Compatible with Windows and MAC computers. Print Quality Print Capability: Printable (single pages or entire manual). Binding Type Binding Type: N/A (Digital PDF format). Paper Type Paper Type: N/A (Digital PDF format). Licensing Usage License: Lifetime, unlimited use across multiple devices. ⚙️ Engine Specifications Primary Engine Engine Type: 2-Stroke, Air-Cooled, Reed Valve (DT250: single cylinder; DT360: single cylinder) Bore X Stroke Dt250: Approx. 66.0 mm x 70.0 mm (specifics may vary slightly by year). Bore X Stroke Dt360: Approx. 74.0 mm x 84.0 mm (specifics may vary slightly by year). Displacement Dt250: 247 cc (cubic centimeters) Displacement Dt360: 357 cc (cubic centimeters) Performance Horsepower Dt250: Typically in the range of 20-25 HP (varies by year and tuning). Horsepower Dt360: Typically in the range of 27-30 HP (varies by year and tuning). Fuel System Carburetor Type: Single Mikuni VM Series (specific bore size varies by model/year, e.g., VM30SC for DT250, VM34SC for DT360). Fuel Type: Unleaded gasoline with appropriate 2-stroke oil pre-mix ratio (e.g., 20:1 or 25:1, check specific model recommendations). Lubrication Two Stroke Oil System: Autolube system with separate oil injection tank (or manual pre-mix for some variants). 🔧 Transmission Standard Transmission Type: Constant Mesh, 5-Speed Sequential Features Clutch Type: Wet, Multiple Disc Final Drive: Chain Drive 📐 Dimensions Weights Dry Weight Dt250: Approx. 123 kg (271 lbs) (varies by year and specific trim). Dry Weight Dt360: Approx. 130 kg (287 lbs) (varies by year and specific trim). 🛡️ Safety Features Ratings Safety Features: Standard motorcycle safety features of the era, including reliable braking and lighting. 💡 Technology Features Infotainment Infotainment System: N/A (Basic motorcycle of its era, no electronic infotainment features). Driver Assistance Assistance Features: N/A (Basic motorcycle of its era, no electronic driver assistance features). 🔧 Maintenance Service Intervals Oil Change Interval: Refer to manual for specific intervals; typically every 1,000-2,000 miles or annually, depending on usage. Spark Plug Replacement: Recommended every 3,000-5,000 miles or as needed based on performance;...