The Suzuki Quad Runner 250, produced from 1987 to 1998, is a versatile All-Terrain Vehicle (ATV) recognized for its robust engineering and reliable performance. Available in both 2WD (LT-F250) and 4WD (LT-4WD) configurations, this model features a 4-stroke, air-cooled engine with approximately 246cc displacement, offering a balance of power suitable for utility tasks and recreational trail riding. Its design emphasizes durability and user-friendliness, incorporating features like electric start, a 5-speed manual transmission with reverse, and shaft drive, making it a capable machine across varied terrains. The Quad Runner 250 built upon a strong heritage in powersports, offering a dependable and well-regarded option in the competitive ATV market of its time. This comprehensive workshop service repair manual provides detailed guidance for the maintenance, repair, and troubleshooting of the Suzuki Quad Runner 250 models from 1987 through 1998. It covers all essential systems, including the engine, transmission, drivetrain, chassis, brakes, and electrical systems, offering step-by-step instructions for everything from routine maintenance like oil changes and filter replacements to complex overhauls and diagnostics. With clear explanations, technical specifications, and troubleshooting procedures, this manual serves as an indispensable resource for owners, mechanics, and technicians aiming to preserve the performance and longevity of their Quad Runner 250. 🏷️ Basic Information Identification Make: Suzuki Model: Quad Runner 250 Type: ATV (All-Terrain Vehicle) Generation Production Span: 1987-1998 Codes Chassis Codes: LT-4WD (Common for 4WD models of this era), LT-F250 (Common for 2WD models of this era) 👋 Introduction Market Position Positioning: The Suzuki Quad Runner 250 series represented a significant entry into the utility and recreational ATV market during its production run. Known for its reliability and versatility, it appealed to a wide range of users from farm work to trail riding. Competitive Analysis Competitors: Competed with models from Honda (FourTrax 250), Yamaha (Big Bear 350, Warrior 350), Kawasaki (Bayou 220/300), and Polaris. Key Features Features: Offered in both 2WD and 4WD configurations, often featuring shaft drive, reliable 4-stroke engines, and robust suspension systems designed for various terrains. 📋 Manual Details Coverage Areas Covered Model Years: 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998 Page Count Estimated Page Count: 300-500 (typical for comprehensive service manuals of this type) Manual Type Type: Complete Workshop Service Repair Manual Language Language: English Format Format: Downloadable PDF 📖 Manual Coverage Systems Covered Engine: Engine overhaul, top-end and bottom-end repairs, cylinder head, piston, crankshaft, camshaft, valve train, oil pump, lubrication system, cooling system (if applicable, though typically air-cooled), starter system, ignition system, carburetor(s), fuel delivery system. Transmission Drivetrain: Gearbox removal and installation, gear selection mechanisms, clutch system (if applicable), driveshaft, differential (if 4WD), final drive, chain/belt maintenance and adjustment. Chassis Frame: Frame inspection and repair, suspension system (front and rear), steering system (handlebars, tie rods, ball joints, steering shaft), wheel bearings, hubs. Brakes: Hydraulic brake system (master cylinder, calipers, brake lines, brake fluid), drum brake systems (if applicable), brake pad/shoe replacement, brake rotor/drum inspection and servicing, parking brake. Electrical System: Wiring diagrams, battery maintenance, charging system (stator, regulator/rectifier), lighting system (headlights, taillights, indicators), ignition system components (CDI, coil), starter motor, switches, fuses, diagnostic codes (if applicable). Fuel System: Fuel tank, fuel lines, fuel petcock, carburetor cleaning and adjustment, fuel filter replacement. Bodywork Trim: Fender removal and installation, plastic panel replacement, seat removal, handlebar replacement, graphics and decals. Procedures Included Maintenance: Regular scheduled maintenance, oil changes, filter replacements (air, oil, fuel), spark plug replacement, chain adjustment and lubrication, brake bleeding, general inspection checklists. Repair: Step-by-step instructions for component disassembly, reassembly, and repair, including engine internal repairs, transmission overhauls, suspension component replacement, brake caliper servicing, and electrical diagnostics. Troubleshooting: Systematic diagnostic procedures for identifying and resolving common problems, including starting issues, performance problems, electrical malfunctions, and drivability concerns. Likely includes flowcharts and symptom-based troubleshooting guides. Technical Depth Depth: Comprehensive. Covers everything from basic user maintenance to complete engine rebuilds and complex electrical diagnostics. Intended for qualified technicians but accessible to experienced DIY enthusiasts. 📊 Manual Specifications File Format File Format: PDF Print Quality Quality: High-resolution scans of original factory manuals, ensuring clarity of text, diagrams, and illustrations. Searchable text for efficient information retrieval. Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Type: 4-stroke, Air-cooled, SOHC Displacement: Approximately 246cc (exact figure may vary slightly by sub-model) Bore X Stroke: Typical for this class: ~69.0 mm x 64.4 mm Compression Ratio: Typically around 9.5:1 to 10.0:1 Ignition: CDI (Capacitor Discharge Ignition) Starting System: Electric start (primary), often with a backup recoil starter. Performance Horsepower Est: Estimated 15-20 HP (at crankshaft, depending on specific model and tuning) Torque Est: Estimated 14-18 lb-ft (at crankshaft, depending on specific model and tuning) Fuel System Carburetor: Single Mikuni carburetor (e.g., VM32SS or similar, specific model number found in manual) Fuel Type: Unleaded gasoline (Octane rating as...