🏷️ Basic Information Identification Make: Yamaha Model: TX750 Model Variant: TX750A Generation Production Years: 1972-1974 Codes Chassis Code: 447 👋 Introduction Market Position Target Audience: Yamaha TX750/TX750A owners, mechanics, restoration specialists, and parts suppliers. Competitive Analysis Value Proposition: Provides comprehensive, accurate part identification and visual aids, essential for maintenance and repair of a classic motorcycle. Key Features Manual Strength: Exhaustive listing of all factory part numbers with corresponding exploded diagrams. Accessibility: Instant download for immediate access without shipping delays. Usability: Designed for ease of use with clear diagrams and part number references. 📋 Manual Details Coverage Areas Systems Covered: Engine, Transmission, Chassis, Electrical, Fuel System, Ignition System, Braking System, Suspension, Wheels and Tires, Frame, Bodywork, Controls, Exhaust System, Lubrication System, Cooling System (Air) Page Count Estimated Pages: Variable (PDF format, dependent on digital printing) Manual Type Type: Parts Manual / Parts Catalog Language Language: English Format Format: PDF (Portable Document Format) 📖 Manual Coverage Systems Covered Engine Internal Components: Crankshaft, pistons, connecting rods, valves, camshafts, timing components, oil pump, oil filter housing, cylinder head, cylinder block, gaskets, seals. Transmission Components: Gears, shafts, clutch assembly, shift drum, shift forks, bearings, seals. Chassis Components: Frame sections, swingarm, linkages, steering head assembly, kickstand, footpegs, handlebars, levers. Electrical System Components: Wiring harness, battery, starter motor, alternator, regulator/rectifier, ignition coils, spark plugs, lights (headlight, taillight, turn signals), switches, fuses. Fuel System Components: Carburetors (VM34SC), fuel tank, fuel petcock, fuel lines, air filter housing, intake manifolds. Procedures Included Assembly Disassembly Aid: Provides exploded diagrams to visually guide assembly and disassembly processes for all listed parts. Part Identification: Accurate manufacturer part numbers for every component. Technical Depth Diagnostic Support: Indirectly supports diagnostics by identifying correct components for replacement. Repair Guidance: Essential for procurement of correct replacement parts for repairs. Restoration Support: Crucial for sourcing original or equivalent parts for vintage motorcycle restoration. 📊 Manual Specifications File Format File Type: PDF Compatibility: PC and MAC compatible, works with all Windows versions. Print Quality Printability: Printable on demand, allowing users to print only necessary pages. Viewing Quality: Enlargement capability for detailed viewing of small components and diagrams. Binding Type Binding: N/A (Digital Download) Paper Type Paper Quality: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Type: Four-stroke, DOHC, Air-cooled, Parallel-twin Displacement: 743 cc (743 cm³) Bore X Stroke: 73.0 mm x 89.0 mm Compression Ratio: 9.2:1 Performance Horsepower Claimed: 63 hp (47 kW) @ 6,500 rpm (approx.) Torque Claimed: 72 Nm (53 lb-ft) @ 5,000 rpm (approx.) Fuel System Carburetor Type: 2 x Mikuni VM34SC Fuel Capacity: 17 L (4.5 US gal) Ignition System Ignition Type: CDI (Capacitor Discharge Ignition) Lubrication System Oil Capacity: Approx. 3.0 L (3.2 US qt) with filter change 🔧 Transmission Standard Transmission Type: 5-speed constant mesh Clutch Type: Wet, multi-plate Final Drive: Chain Features Gearbox Design: Inline shift drum, sequential shifting 📐 Dimensions Exterior Length: Approx. 2250 mm (88.6 in) Width: Approx. 800 mm (31.5 in) Height: Approx. 1170 mm (46.1 in) Weights Dry Weight: Approx. 210 kg (463 lbs) Wet Weight: Approx. 225 kg (496 lbs) 🛡️ Safety Features Ratings Braking System Front: Single Disc Brake (later models may have optional dual disc) Braking System Rear: Drum Brake Active Features Lighting: Halogen Headlight, LED Tail/Brake Lights (if updated), Incandescent Turn Signals. Passive Features Frame Construction: Steel Tubular Double Cradle Frame. 💡 Technology Features Infotainment Infotainment System: N/A (Classic Motorcycle) Driver Assistance Electronic Aids: N/A (Classic Motorcycle) Connectivity Connectivity Features: N/A (Classic Motorcycle) 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 3,000-5,000 km (1,800-3,000 miles) or 6 months, refer to original service manual for specifics. Spark Plug Replacement: Recommended at major service intervals, typically 6,000-10,000 km (3,700-6,200 miles). Fluid Specifications Engine Oil Grade: Yamalube 20W-40 or equivalent (check for specific viscosity recommendations based on ambient temperature, e.g., 10W-30, 20W-50). Brake Fluid Type: DOT 3 or DOT 4 (for hydraulic systems, if applicable to later variants or replacements) Fork Oil Type: Yamaha Fork Oil 10W or equivalent Known Issues Common Wear Items: Valve guides, cam chain tensioner, clutch plates, starter gears, electrical connections. Engine Quirks: Early models were known for some vibration and potential oil consumption issues, often addressed with updates or proper maintenance. 📚 Vehicle History Brand Heritage Yamaha Motorcycles: Yamaha Motor Company, Ltd. is a Japanese manufacturer of motorcycles, marine products, and other motorized products. Founded in 1955, it has a long history of innovation and performance. Model Evolution Tx Series Context: The TX750 was part of Yamaha's move into larger displacement motorcycles, aiming to compete with European and American manufacturers. It featured Yamaha's distinctive OHC twin-cylinder engine design. Production Production Period: 1972-1974 Manufacturing Location: Japan 🏆 Awards & Recognition Recognitions Performance Reputation: Recognized for its powerful twin-cylinder engine and comfortable touring capabilities for its era. Ratings Vintage Classification: Considered a significant model in Yamaha's early foray into larger displacement motorcycles...