Model Years Covered:
1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998
Generation Identifier:
First Generation (LT-F250)
Market Position:
The Suzuki Quad Runner 250 (LT-F250) was positioned as a versatile, reliable, and capable utility ATV, appealing to a broad range of recreational and light-duty work users.
Competitive Analysis:
Competed with similarly sized utility ATVs from manufacturers like Honda (e.g., TRX250), Yamaha (e.g., Wolverine 250), and Kawasaki (e.g., Bayou 220/250) during its production run.
Key Features:
Robust chassis, dependable engine, selectable 2WD/4WD (on applicable models), comfortable seating, and Suzuki's reputation for durability.
Coverage Areas:
Comprehensive repair, rebuild, refurbishment, restoration, diagnostics, troubleshooting, maintenance, tuning, and procedures for the Suzuki Quad Runner 250 (1987-1998).
Manual Type:
Factory Service Repair Manual
Completeness:
Full factory service manual covering all aspects of repair and maintenance.
Systems Covered:
General Information, Troubleshooting, Lubrication, Maintenance & Tune-up, Engine Top End, Engine Lower End, Clutch, Transmission & Shift Mechanism, Fuel & Exhaust Systems, Electrical System, Front Suspension & Steering, Front Drive Mechanism (Four Wheel Drive), Rear Suspension, Rear Axle & Final Drive, Brakes, Body, Wiring Diagrams.
Procedures Included:
Repair, Rebuild, Refurbish, Restore, Diagnostic procedures, Repair procedures, Maintenance schedule, Maintenance procedures, Troubleshooting common issues, Engine component overhaul, Clutch service, Transmission servicing, Fuel system cleaning and adjustment, Electrical system diagnostics, Suspension alignment, Steering system repair, Drive axle service, Brake system maintenance and repair, Body panel repair, Wiring harness inspection and repair.
Technical Depth:
Detailed illustrations, step-by-step instructions, covering all diagnostic and repair procedures. Suitable for both novice DIY mechanics and experienced technicians.
Diagnostic Tools Required:
Standard hand tools, torque wrench, multimeter, feeler gauges, compression tester, specialized Suzuki tools (as noted in manual).
Engine Type:
Four-stroke, SOHC, single-cylinder
Displacement:
249cc (15.2 cu. in.)
Bore X Stroke:
72.0 mm x 61.2 mm (approximate, subject to specific year/variant)
Compression Ratio:
9.2:1 (approximate, subject to specific year/variant)
Carburetion:
Mikuni VM26SS (or similar Keihin/Mikuni carburetors)
Cooling Method:
Air-cooled
Ignition Type:
CDI (Capacitor Discharge Ignition)
Lubrication Type:
Wet sump
Transmission Type:
5-speed manual with reverse
Automatic Transmission:
None offered for this model
Clutch Type:
Wet multi-plate
Drive System:
Shaft drive, selectable 2WD/4WD
Gear Ratios:
Specific gear ratios are detailed within the manual for each gear.
Overall Length:
1,950 mm (76.8 in) (approximate, subject to specific year/variant)
Overall Width:
1,055 mm (41.5 in) (approximate, subject to specific year/variant)
Overall Height:
1,125 mm (44.3 in) (approximate, subject to specific year/variant)
Dry Weight:
218 kg (481 lbs) (approximate, subject to specific year/variant)
Ground Clearance:
175 mm (6.9 in) (approximate, subject to specific year/variant)
Front Rack Capacity:
20 kg (44 lbs) (approximate)
Rear Rack Capacity:
40 kg (88 lbs) (approximate)
Towing Capacity:
Not specified for highway towing, but designed for moderate load hauling.
Wheelbase:
1,215 mm (47.8 in) (approximate, subject to specific year/variant)
Front Tire Size:
AT 25x8-12 (common size, verify specific model year)
Rear Tire Size:
AT 25x10-12 (common size, verify specific model year)
Wheel Bolt Pattern:
5x110mm (typical for Suzuki ATVs of this era, verify in manual)
Safety Ratings:
N/A (ATVs are typically not rated by organizations like NHTSA or IIHS in the same way as passenger vehicles)
Active Safety Features:
Disc brakes (front and rear), reliable braking system, stable chassis design.
Passive Safety Features:
Handlebar guards, sturdy frame construction, textured footwells.
Infotainment Features:
N/A (Basic utility ATV, no electronic infotainment systems)
Driver Assistance Features:
N/A (Basic utility ATV, no electronic driver assistance systems)
Connectivity Features:
N/A (Basic utility ATV, no electronic connectivity)
Headlights:
Dual Halogen headlights
Taillight:
LED taillight/brake light
Engine Oil Change:
Every 1,000 km (600 miles) or 6 months (refer to manual for specific details and oil type)
Spark Plug Replacement:
Refer to tune-up schedule in manual (typically every 3,000-5,000 km)
Air Filter Cleaning:
Check and clean every 500 km (300 miles), replace as needed.
Engine Oil Type:
SAE 10W-30 API SE, SF, or SG (verify specific viscosity based on ambient temperature as per manual)
Gear Oil Type:
API GL-4 SAE 80W or 90 (for transmission and final drive, check manual for specifics)
Coolant Type:
N/A (Air-cooled engine)
Brake Fluid Type:
DOT 3 (verify specific type from manual)
Known Issues:
Carburetor gumming due to fuel sitting, occasional electrical connector corrosion, normal wear and tear on suspension components, potential clutch wear over time. Manual addresses troubleshooting for all these.
Brand Heritage:
Suzuki has a long-standing reputation for producing reliable and capable off-road vehicles, including motorcycles and ATVs, known for their engineering and durability.
Model Evolution:
The LT-F250 Quad Runner was part of Suzuki's initial foray into the ATV market, evolving from earlier models to offer features like shaft drive and improved suspension. It laid the groundwork for subsequent Suzuki utility ATV designs.
Production Years:
1987-1998 (for the models covered by this manual)
Manufacturing Location:
Japan (Suzuki Motor Corporation)