🏷️ Basic Information Identification Make: Husqvarna Model: 250 OR Husky Year: 1979 Codes Model Code: OR 250 👋 Introduction Market Position Target Audience: Husqvarna OR 250 Husky owners, vintage motorcycle enthusiasts, mechanics specializing in vintage European motorcycles Competitive Analysis Value Proposition: Essential resource for owners to accurately identify and source replacement parts, saving time and preventing incorrect purchases. Aids in DIY maintenance and repair. Key Features Digital Access: Instant download upon payment, providing immediate access to critical parts information. Accessibility: Readable on various devices including Windows desktops, Macs, iPads, and most ebook readers. Cost Effectiveness: Print only necessary pages to conserve resources and avoid damaging a physical copy during maintenance. Consumer Protection: Empowers users to verify repair work and avoid being overcharged or misled by unscrupulous service providers. Satisfaction Guarantee: 30-day money-back guarantee for peace of mind. 📋 Manual Details Coverage Areas Product Type: Parts Catalogue Page Count Estimated Pages: Varies (typically 100-300 pages for a motorcycle parts catalog of this era) Manual Type Type: Parts Catalogue Language Language: English Format Primary Format: PDF 📖 Manual Coverage Systems Covered Engine Components: Crankcase, cylinder, piston, connecting rod, crankshaft, gearbox components, carburetor components, ignition system parts Chassis Components: Frame, front fork, rear suspension, swingarm, handlebars, controls, footpegs Wheels And Brakes: Rims, spokes, hubs, brake drums, brake shoes, brake linkages, brake levers Fuel System: Fuel tank, fuel cap, fuel lines, petcock, carburetor jets and internal parts Exhaust System: Exhaust pipe, muffler, mounting hardware Electrical System: Wiring harness, lighting components, ignition coil, spark plug cap, switches Bodywork And Trim: Fenders, side panels, seat, chain guard, decals Procedures Included Part Identification: Detailed diagrams with corresponding part numbers and descriptions Assembly Reference: Illustrations showing how components fit together Technical Depth Detail Level: Component-level part identification for replacement and ordering 📊 Manual Specifications File Format Digital Format: PDF Print Quality Digital Quality: High-resolution scans, suitable for digital viewing and printing of selected pages Binding Type Physical Binding: N/A (Digital Download) Paper Type Physical Paper: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: Two-stroke, single-cylinder Displacement: Approximately 244cc (exact for OR 250 may vary slightly by sub-model) Bore X Stroke: Typically around 66.5 mm x 72 mm (common for Husqvarna 250cc engines of this era, refer to specific manual for exact measurement) Cooling System: Air-cooled Ignition System: Magneto ignition (e.g., Bosch or Motoplat) Fuel System Carburetor: Likely a Bing or Mikuni carburetor, typically 30-34mm diameter (specific model varies) Fuel Type: Pre-mix gasoline and two-stroke oil (e.g., 50:1 ratio, consult owner's manual for precise mix) Performance Horsepower Estimated: Approx. 20-25 HP (varies by tuning and specific model variant) Torque Estimated: Torque figures were less commonly published for off-road bikes of this era, but designed for strong low-to-mid range power. 🔧 Transmission Standard Type: Constant mesh, sequential manual transmission Number Of Gears: Typically 5 or 6 speeds Features Clutch: Wet multi-plate clutch, cable operated Final Drive: Chain drive 📐 Dimensions Exterior Wheelbase: Varies, typically around 54-56 inches (refer to specific model documentation) Weights Dry Weight: Approx. 230-260 lbs (105-118 kg), depending on specific configuration Fuel Capacity: Typically 2.5 - 3.5 gallons (9.5 - 13 liters) 🛡️ Safety Features Ratings Safety Features Era: Focus on active safety through rider control. No formal crash ratings like modern vehicles. Active Features Brakes: Drum brakes front and rear. While not high-performance, they were standard for the era. Suspension: Telescopic front forks and adjustable rear shock absorbers (often dual shocks), designed for off-road terrain management. Passive Features Lighting: Headlight, taillight, brake light (depending on street-legal configuration) 💡 Technology Features Infotainment Features: No modern infotainment systems. Basic instrumentation: speedometer, odometer, neutral indicator (if equipped). Driver Assistance Features: None. Rider relies on skill and the machine's mechanical capabilities. Connectivity Features: None. This is a mechanically operated motorcycle. 🔧 Maintenance Service Intervals Spark Plug Replacement: Recommended every 3,000-5,000 miles or annually, depending on usage. Refer to manual for specific plug type and gap. Air Filter Cleaning: Frequent cleaning recommended, especially for off-road use (e.g., every 500-1000 miles or as needed based on dust conditions). Gearbox Oil Change: Every 6,000-10,000 miles or annually. Consult manual for oil type and capacity. Fluid Specifications Transmission Oil: SAE 80W or 90W gear oil (check manual for specific viscosity and API classification). Fork Oil: Specific weight fork oil (e.g., 10W or 15W) in specified quantity per fork leg. Manual will specify. Known Issues Carburetor Tuning: Can require periodic adjustment due to atmospheric changes or wear. Proper jetting is crucial for optimal performance. Ignition Points: If equipped with points ignition, regular cleaning and setting of points gap is necessary for reliable starting and running. Clutch Adjustment: Clutch lever play may need adjustment over time to ensure proper engagement and disengagement. Silencer Packing: Two-stroke silencers can pack with carbon over time, requiring periodic cleaning or repacking to maintain performance. 📚 Vehicle History Brand...