This manual covers the Suzuki Quad Runner 250 and King Quad 280 all-terrain vehicles produced from 1987 through 1998. These robust ATVs, known for their reliable four-stroke, single-cylinder engines, offered dependable performance for a variety of off-road applications. The Quad Runner series established Suzuki's presence in the ATV market, emphasizing durability and capable handling, while the King Quad variants often featured enhanced capabilities such as 4WD and high/low range transmissions, making them versatile for work and recreation. This comprehensive workshop service repair manual provides detailed information for owners, mechanics, and technicians to maintain and repair these Suzuki ATVs. It covers all essential systems, including engine mechanicals, fuel, ignition, transmission, drivetrain, suspension, brakes, electrical systems, and steering. The manual includes routine maintenance procedures, in-depth troubleshooting guides, component repair instructions, and factory specifications, all presented with clear, step-by-step instructions and numerous illustrations to ensure accurate and efficient service. 🏷️ Basic Information Identification Make: Suzuki Model: Quad Runner 250 / King Quad 280 Model Variant: Quad Runner 250, King Quad 280 Years Covered: 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998 Platform: ATV (All-Terrain Vehicle) 👋 Introduction Market Position Target Audience: Owners seeking to perform maintenance and repairs, independent repair shops, aspiring ATV technicians. Value Proposition: Provides comprehensive, factory-level information to reduce repair costs and ensure proper vehicle operation. Competitive Analysis Manual Advantage: Offers more detailed and technical information than generic repair guides, covering factory specifications and procedures. Key Features Illustrations: Hundreds of detailed illustrations and diagrams. Step By Step Instructions: Clear, sequential instructions for all procedures. Completeness: 100% complete and intact factory service information. 📋 Manual Details Coverage Areas Region Coverage: Global (primarily North American market specifications assumed for technical data) Manual Type: Workshop Service Repair Manual Page Count Estimated Page Count: Varies by specific edition, but factory manuals typically exceed 300 pages. Language Language: English Format Digital Format: PDF Download 📖 Manual Coverage Systems Covered Engine Mechanical: Engine overhaul, disassembly, assembly, cylinder head, piston, crankshaft, camshaft, valve train, lubrication system, cooling system. Fuel System: Carburetor (including adjustment and cleaning), fuel pump, fuel tank, fuel lines. Ignition System: Ignition timing, spark plugs, ignition coil, CDI unit, stator, troubleshooting. Transmission: Clutch operation, gear shifting mechanisms, transmission disassembly and assembly, lubrication. Drivetrain: Front and rear differential, drive shafts, CV joints, final drive. Suspension: Front and rear suspension components, shock absorbers, A-arms, bushings, adjustments. Brakes: Hydraulic brake system, brake calipers, master cylinder, brake pads, brake lines, bleeding procedures, drum brake adjustments (if applicable). Electrical System: Battery, charging system (alternator/stator), starter motor, lighting system, wiring diagrams, fuses, relays, switches. Steering: Steering column, tie rods, steering knuckles, adjustment and repair. Frame And Bodywork: Frame inspection, body panel removal and installation, fenders, racks, seat. Wheels And Tires: Tire pressure specifications, wheel bearing maintenance, rim specifications. Procedures Included Routine Maintenance: Oil changes, filter replacements, lubrication points, spark plug checks, air filter cleaning/replacement, valve adjustments. Troubleshooting: Diagnostic charts and procedures for common problems related to starting, running, and electrical systems. Component Repair: Detailed steps for disassembling, inspecting, repairing, and reassembling major and minor components. Rebuilds: Comprehensive instructions for complete engine and transmission rebuilds. Wiring Diagrams: Complete electrical system schematics for accurate diagnosis and repair. Technical Depth Diagnostic Capabilities: Advanced diagnostic procedures, fault code interpretation (if applicable), symptom-based troubleshooting. Reconstruction Level: Factory-level detail allowing for complete disassembly and reassembly of all major systems. Specifications Detail: Precise torque values, clearances, fluid capacities, and electrical resistance measurements. 📊 Manual Specifications File Format File Type: PDF Searchability: Typically includes searchable text layers for easy information retrieval. Print Quality Printability: Printable pages, allowing for physical reference. Image Resolution: High-resolution illustrations and photographs for clarity. Binding Type Binding: N/A (Digital PDF) Paper Type Paper Quality: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Type: Four-stroke, single-cylinder Engine Displacement Qr250: 246cc (for Quad Runner 250) Engine Displacement Kq280: 280cc (for King Quad 280 - likely a bore/stroke change or slightly different naming convention) Cooling System: Air-cooled Bore X Stroke Qr250: Refer to manual for specific dimensions (e.g., typical for this era might be around 70-72mm bore). Compression Ratio: Refer to manual for specific ratio. Performance Horsepower Qr250: Estimated 17-20 HP (typical for class and era). Torque Qr250: Estimated 15-17 lb-ft (typical for class and era). Fuel System Fuel Delivery: Carburetor Carburetor Model: Mikuni (specific model number will be in the manual). Fuel Type: Unleaded Gasoline Fuel Tank Capacity: Refer to manual (typically 3-4 gallons). 🔧 Transmission Standard Transmission Type: Automatic (CVT - Continuously Variable Transmission) with Reverse Optional Transmission Options: N/A (CVT was standard for these models). Features Drive Modes: 2WD/4WD selectable (often with a lever or electronic engagement). Gear Reduction: High/Low range sub-transmission (common on King Quad models). 📐 Dimensions Exterior Length: Refer to manual for specific dimensions. Width: Refer to manual for specific dimensions. Height: Refer to manual for specific...