🏷️ Basic Information Identification Make: Husqvarna Model: 250 XC Year: 1977 Product Type: Parts Catalogue Vehicle Category: Off-Road Motorcycle / Enduro 👋 Introduction Market Position Target Audience: Husqvarna 250 XC owners, vintage motorcycle restorers, independent repair shops, parts suppliers. Value Proposition: Enables accurate identification and sourcing of original or compatible spare parts, preventing incorrect purchases and aiding in restoration. Competitive Analysis Competitors: Other vintage motorcycle parts suppliers, original manufacturer archives (if available). Key Features Problem Solved: Addresses the difficulty of identifying specific parts for a vintage motorcycle, especially when original part numbers are lost or unreadable. Benefit 1: Avoids costly mistakes by ensuring the correct part is ordered. Benefit 2: Empowers owners to perform more accurate repairs and maintenance by having the right components. Benefit 3: Protects against 'unethical repair men' by providing the owner with correct part knowledge. 📋 Manual Details Coverage Areas Primary Coverage: Spare Parts Identification and Ordering Secondary Coverage: Component breakdown for the 1977 Husqvarna 250 XC Page Count Estimated Page Count: Varies (typical for a parts catalog of this era) Manual Type Manual Type: Parts Catalogue Synonymous Manual Types: Parts List, Illustrated Parts Breakdown (IPB) Language Language: English Format Digital Format: PDF Digital Features: Searchable, Printable 📖 Manual Coverage Systems Covered Engine Components: Cylinder, Piston, Crankshaft, Connecting Rod, Crankcase, Carburetor, Ignition System, Exhaust System Transmission Components: Gearbox Internals, Clutch Assembly, Shift Drum, Shift Forks Chassis Components: Frame, Swingarm, Forks (Front Suspension), Rear Shock Absorbers, Triple Clamps Wheel And Brake Components: Rims, Hubs, Spokes, Brake Drums, Brake Shoes, Brake Levers, Cables Fuel And Oil Systems: Fuel Tank, Petcock, Carburetor Jetting Components, Oil Pump (if applicable), Oil Lines Electrical System: Ignition Coil, Spark Plug, Wiring Harness Components, Lighting Components (if applicable) Controls And Linkages: Throttle Cables, Clutch Cables, Brake Cables, Shift Linkages, Kickstarter Assembly Bodywork And Trim: Fenders, Seat, Handlebars, Grips, Decals, Chain Guard Procedures Included Part Identification: Visual identification of all serviceable parts with corresponding part numbers. Assembly Disassembly Order: Implied by the breakdown diagrams showing component relationships. Part Interchangeability: May highlight common parts across different Husqvarna models or variants. Technical Depth Depth: Detailed schematic diagrams illustrating the exploded view of each component group. Specificity: Provides exact Husqvarna part numbers for ordering replacements. Application: Crucial for owners and mechanics to correctly identify and source replacement parts. 📊 Manual Specifications File Format File Type: PDF Searchability: Likely text-searchable for part numbers and descriptions if OCR'd properly. Print Quality Printability: Designed to be printed, allowing users to print only necessary pages. Diagram Clarity: Diagrams are typically clear and detailed for accurate part identification. Binding Type Original Binding: Likely saddle-stitched or spiral-bound in its original printed form. Digital Binding: N/A (Digital format) Paper Type Original Paper Type: Durable paper stock suitable for workshop environments. Digital Paper Type: N/A (Digital format) ⚙️ Engine Specifications Primary Engine Engine Type: 2-stroke Displacement: Approximately 245 cc (exact for 250 XC models can vary slightly by year/variant) Bore X Stroke: Typical for 250cc era: ~66mm x 72mm (specific figures would be in a full service manual, parts catalog focuses on components) Performance Horsepower Estimated: Approx. 25-30 HP (at peak RPM, model dependent) Torque Estimated: Model dependent, focused on low-to-mid range power for off-road use. Fuel System Carburetor Type: Typically a large-bore Mikuni or Bing carburetor (e.g., VM34 or VM36). Fuel Type: Pre-mix gasoline (specified octane rating, typically 91 or higher). Ignition System Ignition Type: Magneto ignition, often with breaker points (may vary with specific sub-model). 🔧 Transmission Standard Transmission Type: 6-speed sequential constant mesh gearbox. Clutch Type: Wet, multi-plate clutch. Features Gear Ratios: Specific gear ratios are detailed within the parts catalog for each gear component. Drive Type: Chain drive. 📐 Dimensions Exterior Wheelbase: Varies by specific 250 XC model, typically around 1400-1450 mm. Seat Height: Designed for off-road riding, typically high for ground clearance. Weights Dry Weight: Approximately 95-105 kg (model dependent). Fuel Capacity: Approx. 8-10 liters. 🛡️ Safety Features Ratings Crash Test Ratings: N/A (Motorcycles of this era did not undergo standardized crash testing like cars). Active Features Braking System: Drum brakes front and rear. Suspension Performance: Long-travel suspension designed for off-road terrain absorption. Passive Features Frame Construction: Robust steel frame designed for durability in demanding conditions. 💡 Technology Features Infotainment Features: N/A (Basic off-road motorcycle with minimal electrical systems). Driver Assistance Features: N/A (No electronic rider aids). Connectivity Features: N/A (No electronic connectivity). 🔧 Maintenance Service Intervals Air Filter Cleaning: Frequent cleaning recommended, especially in dusty conditions (refer to specific service manual for detail). Spark Plug Replacement: Regular inspection and replacement based on usage (e.g., every 20-40 operating hours). Chain And Sprocket Maintenance: Regular cleaning, lubrication, and tension adjustment are critical. Fluid Specifications Gearbox Oil: Specific gear oil for 2-stroke transmissions (e.g., SAE 80 or 90W, check service manual for exact viscosity and API rating). 2 Stroke Oil: High-quality 2-stroke engine...