🏷️ Basic Information Identification Make: Husqvarna Model: 250 CR Year: 1977 Codes Product Identifier: 1977 250 CR Husqvarna Husky Parts Catalogue 👋 Introduction Market Position Market Position: Essential resource for owners and mechanics of the 1977 Husqvarna 250 CR, enabling accurate parts sourcing and maintenance. Value Proposition: Empowers owners to confidently identify and source correct replacement parts, saving time and money, and preventing the use of incorrect or inferior components. Competitive Analysis Competitive Analysis: A primary source for genuine Husqvarna parts identification, crucial for maintaining the authenticity and performance of vintage off-road motorcycles. Competes with general motorcycle parts suppliers and potentially other digitized historical manuals. Key Features Key Features: Clear exploded diagrams, comprehensive part number listings, direct access to information, instant download availability, money-back guarantee. Benefit To Owner: Empowers owners to perform their own maintenance and repairs with confidence by providing the correct part information, avoiding costly mistakes. 📋 Manual Details Coverage Areas Coverage Areas: Comprehensive parts identification for the 1977 Husqvarna 250 CR motorcycle. Specific Components Listed: Engine internals (piston, rings, con-rod, crankshaft, bearings), carburetion parts, ignition components, gearbox parts, clutch assembly, suspension components (forks, shocks, linkages), brake system parts (calipers, master cylinders, pads, shoes, cables), wheels (rims, spokes, hubs, tires), fuel tank, seat, fenders, frame components, exhaust pipe, silencer, handlebars, controls, levers, cables. Page Count Page Count: Estimated (specific page count not provided in product info, but typical for a parts catalog of this era). Manual Type Manual Type: Parts Catalogue Purpose: To visually and numerically identify all replaceable components of the 1977 Husqvarna 250 CR motorcycle for service and parts procurement. Language Language: English (presumed, based on product description and common industry practice for Husqvarna). Format Format: PDF 📖 Manual Coverage Systems Covered Systems Covered: Engine, chassis, suspension, brakes, wheels, drivetrain, electrical components, fuel system, exhaust system, bodywork, controls. Diagram Style: Exploded view diagrams for each major assembly, clearly illustrating part relationships and order of assembly. Engine Parts Detail: Detailed breakdown of the engine, including cylinder, piston, cylinder head, crankcase, crankshaft, connecting rod, and all associated seals and bearings. Procedures Included Procedures Included: Parts identification, assembly order, component diagrams, part number referencing for ordering spares, visual confirmation of component interchangeability. Assembly Order Guidance: Exploded views implicitly guide the correct assembly order of components, vital for correct reassembly after repairs. Technical Depth Technical Depth: Detailed illustration and listing of all factory-supplied parts. High level of detail suitable for component identification and sourcing replacement parts. Does not typically include repair or diagnostic procedures, but is crucial for them. Part Number Precision: Provides exact OEM part numbers, critical for ensuring the correct replacement part is ordered to maintain factory specifications. 📊 Manual Specifications File Format File Format: PDF (Portable Document Format) Searchability: PDF format typically allows for text searching if the PDF is properly created from OCR'd or native text documents. Compatibility: Compatible with Windows, Mac, iPad, and most ebook readers, offering broad accessibility. Digital Benefit: Instant access eliminates shipping delays, allowing immediate use for parts identification and ordering. Print Quality Print Quality: Printable at user's discretion. PDF format allows for high-resolution output. Print Options: Users can print specific pages or the entire document, allowing for targeted reference during maintenance or repair. Binding Type Binding Type: Digital download (no physical binding). Paper Type Paper Type: N/A (Digital format). ⚙️ Engine Specifications Primary Engine Engine Type: 2-stroke single-cylinder Engine Displacement: Approximately 245 cc (specific bore/stroke for 250 CR models). Cooling System: Air-cooled Bore X Stroke: Specific dimensions would be listed, typically around 69mm x 64.4mm or similar for a 250cc engine of this era. Performance Horsepower: Typical for the era and class, around 30-35 HP (actual specification would be in a service manual, but parts catalog implies this level of performance). Torque: Relevant torque figures for engine components would be part of the catalog's assembly context. Power Band Characteristics: While not explicitly stated, the parts listed would relate to an engine designed for a strong mid-to-top power band characteristic of 70s motocross bikes. Fuel System Fuel Delivery: Carburetor (likely a Bing or Dell'Orto, specific model would be in catalog). Fuel Type: Unleaded gasoline mixed with 2-stroke oil (pre-mix). Carburetor Size: Likely in the 32mm-38mm range, depending on the specific carburetor model and tuning. Reed Valve System: If applicable to the specific 250 CR engine variant, parts for the reed valve induction system would be cataloged. 🔧 Transmission Standard Transmission Type: 6-speed sequential manual Clutch Type: Wet multi-plate Gear Ratios: Specific gear ratios for each of the 6 gears would be cataloged, crucial for understanding the bike's power delivery. Clutch Components: Friction plates, steel plates, springs, pressure plate, and related hardware. Features Gearbox Components: Gears, shafts, shift drum, shift forks, bearings, seals. 📐 Dimensions Exterior Wheelbase: Varies by specific model variant, but typical for a 1970s motocross bike. Seat Height: Varies by...