🏷️ Basic Information Identification Make: Yamaha Model: FZ750 Genesis Codes Model Codes: FZ750-10M, FZ750-1FN, FZ750-1FP, FZ750-1JP, FZ750-1KN, FZ750-1KP Generation Generation Designation: 1GM / 2TT 👋 Introduction Market Position Segment: Sportbike / Superbike precursor Era Context: Mid-1980s performance motorcycle era, characterized by advanced engine technology and aggressive styling. Competitive Analysis Competitors: Honda VFR750, Suzuki GSX-R750, Kawasaki Ninja ZX750-R. Key Features Engine Innovation: The Genesis engine was Yamaha's first production use of a five-valve-per-cylinder design (though it featured a unique 4-valve intake and 1-valve exhaust per cylinder layout with dual spark plugs for improved combustion). This was a significant technological advancement. Handling: Featured a monoshock rear suspension and a relatively advanced frame design for its time, contributing to its sporty handling characteristics. Styling: Distinctive full fairing and aggressive styling, characteristic of 1980s sportbikes. 📋 Manual Details Coverage Areas Applicable Years: 1985, 1986, 1987, 1988 Page Count Estimated Pages: Hundreds of pages (specific count not provided but implies comprehensive content) Manual Type Type: Factory Service Repair Workshop Manual Language Language: English (implied by product description) Format Format: PDF (Downloadable) 📖 Manual Coverage Systems Covered Engine Management: Ignition system, fuel injection system (EFI), engine tuning, diagnostics. Engine Mechanical: Top-end rebuild (cylinder head, valves, camshafts), bottom-end rebuild (crankshaft, connecting rods, pistons), cylinder block, cooling system, lubrication system. Transmission: Gearbox overhaul, clutch system, shift mechanism, final drive. Chassis And Suspension: Front fork (telescopic, upside-down style), rear shock absorber (monoshock), swingarm, steering head bearings. Brakes: Front and rear brake systems, hydraulic components, caliper overhaul, disc replacement, brake fluid specifications. Electrical System: Wiring diagrams, battery, charging system (stator, regulator/rectifier), lighting system, starter motor, ignition coils. Bodywork And Trim: Fairing removal and installation, seat, fuel tank, body panels, graphics. Procedures Included Routine Maintenance: Oil changes, filter replacements, chain adjustment, spark plug service, brake fluid changes, coolant checks. Troubleshooting: Diagnostic charts for common problems, fault finding procedures for engine, electrical, and mechanical issues. Repair Procedures: Step-by-step instructions for all mechanical and electrical repairs, including complete engine and transmission rebuilds. Technical Specifications: Torque values, clearances, fluid capacities, electrical resistance values, engine timing specifications. Technical Depth Depth Level: Comprehensive, covering all aspects from basic maintenance to complete engine and chassis overhauls. Suitable for professional mechanics and experienced DIY enthusiasts. 📊 Manual Specifications File Format File Type: PDF Searchability: Likely text-searchable, common for factory PDF manuals. Print Quality Print Capability: Printable (single pages or entire manual). Binding Type Binding: N/A (Digital download, printable for user binding). Paper Type Paper: N/A (Digital download, printable on user's choice of paper). ⚙️ Engine Specifications Primary Engine Engine Type: DOHC Inline-Four, 5-valve per cylinder (4 intake, 1 exhaust) configuration Displacement: 749 cc Bore X Stroke: 73.0 mm x 43.5 mm Compression Ratio: 10.2:1 Performance Horsepower Est: Approx. 100-105 hp @ 9,500 rpm (specific figure may vary by year/market) Torque Est: Approx. 53-55 lb-ft @ 7,500 rpm (specific figure may vary by year/market) Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) with 34mm throttle bodies (in most configurations) Fuel Type: Unleaded gasoline, minimum 91 octane (RON+MON)/2 Cooling System Cooling Method: Liquid-cooled Lubrication System Oil Type: Yamaha recommended motorcycle specific 4-stroke engine oil, SAE 10W-40 or 20W-50 (refer to manual for precise specification) Oil Capacity: Approx. 3.4 liters (3.6 US qt) with filter change (refer to manual for exact capacity) 🔧 Transmission Standard Transmission Type: 6-speed, constant mesh Clutch Type: Wet, multi-plate Features Final Drive: Chain drive Transmission Oil: Refer to manual for specific gearbox oil type and viscosity (typically a motorcycle-specific gear oil or engine oil shared with the engine, depending on design) 📐 Dimensions Exterior Overall Length Est: Approx. 2,180 mm (85.8 in) Overall Width Est: Approx. 740 mm (29.1 in) Overall Height Est: Approx. 1,205 mm (47.4 in) Wheelbase Est: Approx. 1,465 mm (57.7 in) Weights Dry Weight Est: Approx. 202 kg (445 lbs) Wet Weight Est: Approx. 222 kg (489 lbs) (fully fueled) 🛡️ Safety Features Ratings Safety Features Era: Reflective elements on bodywork and potential for disc brakes on both wheels were primary safety features of the era. ABS was not a standard or common option. Active Features Braking System: Dual front disc brakes (300mm), single rear disc brake (245mm) with hydraulic actuation. Lighting: Halogen headlight, taillight, brake lights, turn signals. 💡 Technology Features Infotainment Infotainment System: N/A (Not applicable to this model year motorcycle). Driver Assistance Driver Assistance Features: N/A (Not applicable to this model year motorcycle). Connectivity Connectivity Features: N/A (Not applicable to this model year motorcycle). 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 3,000-5,000 km (1,800-3,000 miles) or 6-12 months, whichever comes first (refer to manual for exact recommendation). Air Filter Maintenance: Inspection and cleaning/replacement every 6,000-10,000 km (3,700-6,000 miles) (refer to manual). Spark Plug Service: Replacement at approx. 10,000-15,000 km (6,000-9,000 miles) (refer to manual for specific plug type and gap). Fluid Specifications Coolant Type: Ethylene glycol based...