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
Chassis Codes:
LT-F250 (Quad Runner), LT-F250F (King Quad 280 - potential for this designation)
Target User:
Professional mechanics, technicians, and experienced DIY enthusiasts.
Value Proposition:
Provides comprehensive, factory-level repair information, equivalent to dealership-grade manuals, accessible digitally.
Manual Type:
Full factory service manual, not a condensed or user manual.
Content Detail:
Hundreds of pages with detailed photos, diagrams, and step-by-step instructions.
Overall Coverage:
Comprehensive repair, servicing, and troubleshooting for Suzuki Quad Runner 250 and King Quad 280 models.
Estimated Page Count:
Hundreds of pages (exact number not specified, but described as 'hundreds' with detailed photos & diagrams)
Type:
Factory Service Repair Workshop Manual
Engine:
Engine overhaul, tuning, troubleshooting, lubrication, cooling system, fuel system (carburetor), exhaust system.
Transmission:
Clutch, gearbox operation and repair, final drive, drive shafts, universal joints.
Brakes:
Hydraulic brake system diagnosis and repair, brake pad replacement, bleeding procedure, master cylinder, wheel cylinders/calipers.
Suspension:
Front and rear suspension systems, shock absorbers, bushings, linkages, steering components.
Electrical:
Ignition system, starter motor, charging system (alternator/stator), battery, lighting, wiring diagrams, fuses, switches.
Chassis And Body:
Frame inspection and repair, body panels, fenders, seat, handlebars, controls, luggage racks.
Steering:
Handlebar assembly, steering shaft, tie rods, and steering knuckle components.
Wheels And Tires:
Tire pressure recommendations, wheel bearing inspection and replacement, lug nut torque specifications.
Maintenance:
Regular servicing, oil changes, filter replacements, lubrication points, valve adjustments, spark plug replacement.
Troubleshooting:
Diagnostic procedures for common and uncommon problems, symptom-based troubleshooting guides.
Repair:
Step-by-step instructions for component disassembly, repair, and reassembly.
Diagnostics:
System diagnostics, electrical testing, mechanical checks.
Engine Rebuild:
Complete engine disassembly, inspection, measurement, and reassembly procedures.
Depth Of Coverage:
Advanced diagnostics, complete rebuilds, detailed component repair, electrical schematics.
Special Tools:
Likely lists specific Suzuki special tools required for certain procedures.
Compatibility:
Windows and MAC OS compatible
Searchability:
PDF format typically allows for text searching of keywords.
Printability:
Printable (single page or entire manual)
Resolution:
Assumed high resolution for clear display of diagrams and photos.
Binding:
Digital (no physical binding)
Paper Type:
N/A (Digital PDF)
Usage License:
Lifetime use on unlimited devices, no expiry dates, no renewal fees.
Engine Type:
4-stroke, SOHC, 2-valve (likely for the 250cc, 280cc may vary slightly in bore/stroke)
Displacement:
Approximately 249cc (for LT-F250), 280cc (for King Quad 280 variant)
Bore X Stroke:
Typically around 72.0 mm x 61.0 mm for the 250, with slight variations for the 280.
Horsepower:
Estimated 17-20 HP at peak RPM (based on similar displacement engines of the era).
Torque:
Estimated 14-16 lb-ft at peak RPM.
Carburetor Type:
Single Mikuni carburetor (likely a VM series or similar CV carb).
Fuel Type:
Unleaded gasoline
Cooling Method:
Air-cooled
Ignition Type:
CDI (Capacitor Discharge Ignition)
Overall Length:
Approximately 75-80 inches (varies by model and year).
Overall Width:
Approximately 38-42 inches.
Overall Height:
Approximately 40-44 inches.
Dry Weight:
Approximately 440-470 lbs.
Fuel Tank Capacity:
Approximately 3.2 - 3.7 US gallons.
Oil Change Interval:
Typically every 1,000 km (600 miles) or annually, but the manual will provide the definitive schedule.
Air Filter Cleaning:
Recommended to clean at 1,000 km (600 miles) or more frequently under dusty conditions.
Valve Adjustment:
Initial adjustment at 1,000 km (600 miles), then typically every 2,000 km (1,200 miles).
Engine Oil Type:
Suzuki recommends API SE, SF or SG classification, SAE 10W-40 or 20W-50 (depending on ambient temperature).
Engine Oil Capacity:
Approximately 2.2 - 2.4 liters (2.3 - 2.5 US quarts) with filter change.
Brake Fluid Type:
DOT 3 or DOT 4 hydraulic brake fluid.
Carburetor Fouling:
Common issue on older carbureted engines; requires regular cleaning and jetting checks.
Drive Shaft U Joints:
Wear can occur over time, leading to vibration; manual covers inspection and replacement.
Suspension Bushings:
Wear on suspension bushings can lead to sloppy handling and requires periodic replacement.
Electrical Connector Corrosion:
Exposure to elements can cause corrosion in electrical connectors, leading to intermittent issues.
Suzuki Atv Legacy:
Suzuki has a long-standing history in ATV manufacturing, known for reliable and capable off-road vehicles.
Quad Runner Lineage:
The Quad Runner 250 was a popular utility ATV, evolving into the more powerful King Quad line with features like 4WD (though this manual covers 2WD models mainly).
Manufacturing Location:
Primarily manufactured in Japan or other Suzuki overseas facilities.