🏷️ Basic Information Identification Make: Husqvarna Model: CR 250 Year: 1991 Generation Generation Identifier: Husqvarna CR 250 1991 Model Year 👋 Introduction Market Position Historical Context: The 1991 Husqvarna CR 250 was a competitive motocross machine of its era, known for its strong performance and handling characteristics, particularly in the European market. Target Audience: Owners, mechanics, and enthusiasts of the 1991 Husqvarna CR 250 seeking accurate part identification and sourcing. Competitive Analysis Competitors: Competed against models from Yamaha (YZ250), Honda (CR250R), Suzuki (RM250), and Kawasaki (KX250). Key Features Manual Benefit 1: Eliminates guesswork when ordering spare parts, ensuring compatibility and correct fitment. Manual Benefit 2: Empowers users to perform their own maintenance and repairs with confidence by knowing the correct parts. Manual Benefit 3: Protects against overcharging or incorrect part installation by potentially unscrupulous repair shops. 📋 Manual Details Coverage Areas Manual Type: Parts Catalogue Language: English (Assumed, standard for manuals of this era and type) Format: PDF Page Count: Estimated 150-250 Pages (Typical for a 1991 motocross parts catalog) Availability: Instant Download Guarantee: 30-day Money Back Guarantee 📖 Manual Coverage Systems Covered Engine: Complete breakdown of engine components (cylinder, piston, crankshaft, connecting rod, reed valve assembly, ignition system, carburetor, exhaust system) Transmission: Gearbox components, shift drum, shift forks, clutch assembly (plates, springs, basket, hub) Frame And Suspension: Frame components, subframe, swingarm, linkage (if applicable), front forks (internal components, seals, springs), rear shock absorber (internal components, seals, springs) Wheels And Brakes: Wheel hubs, spokes, rims, tires, brake levers, master cylinders, calipers, brake discs, brake pads, master cylinder seals, brake pedal, rear brake linkage Controls: Handlebars, grips, throttle assembly, clutch lever and cable, brake lever, shifter, footpegs, kickstarter assembly Fuel System: Fuel tank, petcock, fuel lines, carburetor mounting hardware Cooling System: Radiators, hoses, clamps (for liquid-cooled models) Electrical System: Ignition coil, CDI unit, stator, rectifier, wiring harness components, light bulbs (if equipped), kill switch Bodywork And Plastics: Front fender, rear fender, side number plates, seat, fuel tank shrouds, airbox cover, seat latch mechanism Procedures Included Part Identification: Detailed illustrations with exploded views and corresponding part numbers for every component. Assembly Disassembly: Implicitly supports assembly and disassembly by providing the correct part order and identification for all systems. Part Ordering: Crucial for ordering the correct replacement parts from dealerships or aftermarket suppliers. Component Lookup: Enables quick identification and lookup of specific components for repair or replacement. Technical Depth Depth Level: Comprehensive Parts Identification Detail Level: Illustrative diagrams with detailed labeling of every screw, washer, gasket, and internal component. Usefulness For Mechanics: Essential for professional mechanics and home tuners to accurately identify and source parts. Usefulness For Owners: Empowers owners to understand their machine's components and avoid incorrect part purchases or being misled. 📊 Manual Specifications File Format File Type: PDF (Portable Document Format) Searchability: Likely text-searchable PDF, allowing for quick navigation by part name or number. Print Quality Print Recommendation: Printable on standard home or office printers. Recommended to print specific sections as needed. Binding Type Digital Format: N/A (Digital Download) Paper Type Digital Format: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: 2-Stroke, Liquid-Cooled Displacement: 249 cc (Cubic Centimeters) Bore X Stroke: Approximately 67.0 mm x 70.0 mm (Typical for this model) Horsepower: Estimated 45-50 HP (Varies with tuning and specific market variants) Torque: Estimated 30-35 lb-ft (Varies with tuning and specific market variants) Fuel System Carburetor Type: Mikuni VM Series (Likely 34mm or 36mm) Fuel Type: Unleaded Gasoline (91 Octane or higher recommended, mixed with 2-stroke oil) Fuel Mixture Ratio: Typically 40:1 (Gasoline:2-stroke Oil), refer to manual for exact specification. 🔧 Transmission Standard Transmission Type: 6-Speed Manual Synchromesh Clutch Type: Wet, Multi-Plate Features Gear Ratios: Specific gear ratios would be detailed in a service manual, but this parts catalog would list all gears, dogs, synchros, and shift components. Transmission Oil Type: Specific gearbox oil (e.g., SAE 80W/90 gear oil or dedicated 2-stroke transmission fluid). Refer to service manual or this parts catalog for specific fill plugs and likely oil type. 📐 Dimensions Exterior Wheelbase: Approximately 1450-1470 mm (57-58 inches) Ground Clearance: Approximately 300-330 mm (12-13 inches) Weights Dry Weight: Approximately 105-110 kg (231-242 lbs) Fuel Tank Capacity: Approximately 8.0 - 9.0 Liters (2.1 - 2.4 Gallons) 🛡️ Safety Features Ratings Safety Certification: Not Applicable for Off-Road Motocross Motorcycles (Designed for closed-course competition) Active Features Braking System: Hydraulic Disc Brakes (Front and Rear) Passive Features Frame Construction: Steel Double Cradle Frame 💡 Technology Features Infotainment Infotainment System: N/A (Off-road competition motorcycle) Driver Assistance Driver Assistance Features: N/A (Off-road competition motorcycle) Connectivity Connectivity Features: N/A (Off-road competition motorcycle) 🔧 Maintenance Service Intervals Engine Top End Rebuild: Typically 30-60 hours of racing/hard use for piston and rings; 60-120 hours for a full rebuild (cylinder, piston, rings, bearings). Refer to service manual for precise intervals. Clutch Inspection: Regular inspection of clutch plates...