This manual covers the LT-F250 Quadrunner and LT-F4WDX King Quad all-terrain vehicles produced between 1987 and 1998. These models are renowned for their robust engineering and reliability, offering dependable performance for a variety of utility and recreational applications. The legacy in ATV manufacturing is strong, with the Quadrunner and King Quad lines being iconic for their capability and durability, serving as capable workhorses in demanding environments.
This comprehensive workshop service repair manual provides detailed guidance for owners, technicians, and DIY enthusiasts. It covers all aspects of maintenance, troubleshooting, and repair for all models, engines, trim levels, and transmission types within the specified production years. Within its pages, you will find step-by-step repair instructions, maintenance schedules, diagnostic procedures, troubleshooting guides, component replacement details, adjustments, disassembly and assembly instructions, torque specifications, and detailed wiring diagrams for the engine, transmission, drivetrain, suspension, steering, brakes, electrical system, and fuel system.
Model:
LT-F250 Quadrunner / LT-F4WDX King Quad
Vehicle Chassis Codes:
LT-F250, LT-F4WDX
Target Audience:
Owners, technicians, DIY enthusiasts seeking to maintain and repair their Suzuki LT-F250 Quadrunner or LT-F4WDX King Quad ATVs.
Value Proposition:
Enables significant cost savings by empowering users to perform their own repairs and maintenance, offering detailed guidance.
Ease Of Use:
Features easy-to-follow step-by-step instructions and clear illustrations to simplify complex repair tasks.
Applicable Years:
1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998
Coverage Areas:
All models, engines, trim levels, and transmission types within the specified years.
File Format:
PDF Download
Accessibility:
Downloadable to PC, Mac, tablets, smartphones.
Required Software:
Adobe Reader (free download)
Manual Type:
Complete Workshop Service Repair Manual
Systems Covered:
Engine, transmission, drivetrain (4WD), suspension, steering, brakes, electrical system, fuel system, cooling system, lubrication, chassis, bodywork, maintenance, troubleshooting, diagnostics.
Electrical System Details:
Covers starter motor, alternator, battery, ignition system, lighting, and troubleshooting for electrical faults, including detailed wiring diagrams.
Procedures Included:
Step-by-step repair instructions, maintenance schedules, diagnostic procedures, troubleshooting guides, component replacement, adjustments, disassembly, assembly, torque specifications, wiring diagrams.
Troubleshooting Methodology:
Systematic approach to diagnosing problems, including common symptom-cause-solution charts.
Technical Depth:
Comprehensive, covering all service and repair procedures from basic maintenance to complete overhauls and advanced diagnostics.
Component Rebuilds:
Detailed instructions for rebuilding components such as the engine, transmission, carburetor, and brake system.
File Format Detail:
Digital PDF, suitable for printing individual pages, chapters, or the entire manual.
Searchability:
PDF format allows for text searching, making it easy to find specific information quickly.
Print Quality:
High-quality scans/digital content, ensuring clarity of text and images.
Binding Type:
N/A (Digital download)
Paper Type:
N/A (Digital download)
Engine Type:
Typically a 4-stroke, air-cooled single-cylinder engine (specific displacement varies between LT-F250 and LT-F4WDX).
Displacement Range:
Likely in the 250cc to 300cc range, with the LT-F4WDX King Quad potentially featuring a slightly larger displacement variant.
Horsepower Torque:
Specific horsepower and torque figures for each engine variant will be provided in the manual. For context, similar models often produced in the range of 15-25 hp.
Carburetor Type:
Likely Mikuni carburetor(s), specific model to be detailed in the manual.
Ignition System:
CDI (Capacitor Discharge Ignition) system.
Cooling Method:
Air-cooled.
Oil Type Recommendation:
Likely SAE 10W-40 or SAE 20W-50 motorcycle/ATV specific oil, to be confirmed by manual.
Valve Lash Adjustment:
Procedures and specifications for valve clearance adjustment included.
Transmission Type:
Shaft-driven 5-speed transmission with high/low range (for 4WD models) and reverse.
Drive System:
Suzuki's 2WD/4WD selectable system, as indicated by '4WD' and 'F4WDX' in model names.
Clutch Type:
Likely a wet multi-plate clutch operated by hand lever, or a torque converter automatic (specifics to manual).
Gear Oil Specifications:
Manual will specify recommended gear oil type and capacity.
General Configuration:
Three-wheeled (early models) or Four-wheeled ATVs, with a rugged chassis design.
Curb Weight Range:
Typically in the range of 200-250 kg (440-550 lbs) depending on 2WD/4WD and specific model features. Exact weights will be in the manual.
Atv Safety Guidelines:
Manual will likely emphasize safe operating practices, protective gear, and adherence to ATV safety standards.
Braking System:
Hydraulic disc brakes on front and/or rear, or drum brakes depending on specific model and year. Manual will detail operation and maintenance.
Lighting System:
Headlights, taillight, and brake light for visibility and signaling.
Features:
Basic ATV technology; no advanced infotainment systems typical of modern vehicles. Focus is on mechanical and operational functionality.
Features:
Primarily mechanical driver assistance features like selectable 4WD. No electronic driver aids.
Oil Change Interval:
Typical interval for these ATVs is around 1,000-1,500 km or 6-12 months. Specific intervals for engine oil, gear oil, and other fluids will be detailed.
Engine Oil Grade:
Referencing SAE 10W-40 or SAE 20W-50 API SG/SH classification, subject to specific manual confirmation.
Brake Fluid Type:
DOT 3 or DOT 4 hydraulic brake fluid, as specified in the manual.
Coolant Type:
N/A (Air-cooled engine)
Final Drive Gear Oil:
Manual will specify the correct grade and type of gear oil for the final drive and transmission differentials.
Common Wear Items:
Spark plug, air filter, fuel filter, brake pads/shoes, tires, battery, and potential carburetor adjustments due to age and usage. Manual will guide on inspection and replacement.
Carburetor Cleaning And Tuning:
Due to age, carburetor maintenance and adjustment are frequently required. The manual provides detailed steps for this.
Oil Filter Part Number:
Specific Suzuki part number or equivalent will be listed in the manual. Example: 16510-03G00 (subject to verification).
Recommended Tire Pressure:
Manual will specify optimal tire pressures for front and rear tires for various riding conditions.
Suzuki Atv Legacy:
Suzuki has a long-standing reputation for producing reliable and capable ATVs, with the Quadrunner and King Quad lines being iconic.
Quadrunner King Quad Development:
These models represented a significant step in Suzuki's ATV development, offering robust performance and utility for various applications.
Manufacturing Region:
Likely manufactured in Japan or other Suzuki global production facilities.
Model Reputation:
Suzuki's King Quad models, in particular, gained a reputation for being powerful and reliable workhorses in the ATV market.