Positioning:
The Suzuki LT-F250 Quad Sport 2003 was positioned as a capable and reliable mid-size utility ATV, suitable for recreational riding, light work, and trail exploration. It offered a balance of performance, comfort, and durability.
Competitors:
Competed against models like the Honda FourTrax 300/350, Yamaha Wolverine 350, and Kawasaki Bayou 300/300.
Features Of Atv:
Shaft drive, comfortable seating position, robust chassis, reliable engine, front and rear racks for cargo.
Value Proposition:
This manual provides factory-level data, enabling owners and technicians to perform all necessary maintenance and repairs, ensuring optimal performance and longevity of the ATV, mirroring the information used by official Suzuki dealerships.
Engine:
Engine disassembly, assembly, component inspection, timing, valve clearance, cooling system, lubrication system
Fuel System:
Carburetor tuning and overhaul, fuel pump, fuel tank, fuel lines
Transmission:
Clutch operation and adjustment, gear shifting mechanism, gearbox disassembly and reassembly
Drivetrain:
Drive shafts, differentials (if applicable), axle components, chain/belt maintenance
Suspension:
Front and rear suspension systems, shock absorbers, control arms, bushings, alignment
Brakes:
Brake system diagnosis, hydraulic lines, brake calipers, master cylinder, brake pads, rotor replacement
Electrical System:
Wiring diagrams, battery, charging system (stator, regulator/rectifier), ignition system, lighting, starter motor
Cooling System:
Radiator, fan, coolant hoses, thermostat (if applicable)
Exhaust System:
Muffler, exhaust pipes, gasket replacement
Body And Chassis:
Frame inspection and repair, body panels, seat, handlebars, controls, plastics
Maintenance:
Scheduled maintenance, oil changes, filter replacements, spark plug replacement, chain lubrication and adjustment, battery care
Troubleshooting:
Diagnostic procedures for common starting, running, and electrical issues, fault code interpretation (if applicable)
Repair:
Step-by-step instructions for component removal, repair, and installation, including engine rebuilds, suspension work, and electrical system repairs
Diagnostics:
Detailed diagnostic flowcharts and procedures for identifying and resolving malfunctions
Specifications:
Torque specifications for all fasteners, engine clearances, fluid capacities, electrical resistance values
Depth:
Comprehensive, covering all aspects from basic maintenance to complete engine and transmission overhauls, including detailed electrical diagnostics
Engine Type:
4-stroke, SOHC, air-cooled, single-cylinder
Displacement:
246 cc (Cubic Centimeters)
Bore X Stroke:
Not specified in product info, but typically around 70mm x 64mm for this class.
Compression Ratio:
Not specified in product info, likely around 9.2:1 to 9.5:1
Horsepower:
Estimated 16-18 HP (Horsepower) at approximately 6500 RPM.
Torque:
Estimated 15-17 lb-ft (Pound-feet) at approximately 5000 RPM.
Carburetor:
Mikuni VM Series (e.g., VM26SS or similar) - manual will detail specific model and tuning.
Fuel Type:
Unleaded gasoline (Octane rating 87 or higher recommended)
Oil Type:
SAE 10W-40 API SG or SH (Specific Suzuki recommendations in manual)
Oil Capacity:
Approx. 1.7 L (1.8 US qt) with filter change (refer to manual for precise capacity).
Ignition Type:
CDI (Capacitor Discharge Ignition)
Spark Plug:
NGK CR7E or similar (Check manual for exact specification and gap)
Transmission Type:
5-speed manual with Reverse
Clutch Type:
Wet multi-plate
Drive System:
2WD (Rear Wheel Drive) via shaft drive
Gear Ratios:
Specific gear ratios will be detailed in the manual, crucial for understanding performance characteristics.
Gear Oil Type:
SAE 80W API GL-4 (Specific Suzuki recommendations in manual)
Gear Oil Capacity:
Not specified in product info, manual will detail capacity for gearbox and differential.
Length:
Approx. 1995 mm (78.5 in)
Width:
Approx. 1070 mm (42.1 in)
Height:
Approx. 1100 mm (43.3 in)
Wheelbase:
Approx. 1245 mm (49.0 in)
Dry Weight:
Approx. 200 kg (441 lbs)
Curb Weight:
Not specified in product info, but typically slightly higher than dry weight.
Front Rack Capacity:
Approx. 20 kg (44 lbs)
Rear Rack Capacity:
Approx. 40 kg (88 lbs)
Front Tire Size:
AT 22x7-10
Rear Tire Size:
AT 22x10-10
Wheel Bolt Pattern:
Not specified in product info, but typically 4-stud with a common PCD.
Atv Safety Standards:
Designed to meet relevant ANSI safety standards for ATVs.
Braking System:
Hydraulic disc brakes front and rear for reliable stopping power.
Throttle Limiter:
Not typically featured on this model, but manual may detail any governor settings.
Handlebars:
Comfortable, ergonomically designed handlebars for control and reduced fatigue.
Footwells:
Wide, anti-slip footwells for rider security.
Lighting:
Dual headlights and taillight for visibility.
Infotainment System:
Not applicable for this model. Basic instrumentation includes speedometer, odometer, and indicator lights.
Driver Assistance Features:
Not applicable for this model.
Connectivity Features:
Not applicable for this model.
Engine Control:
Basic CDI ignition and carburetor-based fuel delivery. No electronic engine management systems beyond ignition timing.
Engine Oil Change:
Every 100 hours or annually, whichever comes first (check manual for exact recommendation).
Spark Plug Inspection Replacement:
Inspect every 100 hours, replace as needed. Gap check is critical.
Air Filter Cleaning Replacement:
Clean every 20 hours, replace as needed, especially in dusty conditions. Critical for engine longevity.
Chain Lubrication Adjustment:
Lubricate every 10-15 hours or after wet riding. Adjust chain slack according to manual specifications (typically 15-25mm).
Valve Clearance Check:
Every 400 hours or annually. Crucial for engine performance and preventing damage.
Engine Oil Specification:
SAE 10W-40, API SG or SH rated motorcycle oil.
Gear Oil Specification:
SAE 80W API GL-4 gear oil.
Brake Fluid:
DOT 3 or DOT 4 hydraulic brake fluid.
Common Wear Items:
Brake pads, tires, suspension bushings, drive chain and sprockets (if applicable), air filter, spark plug.
Carburetor Issues:
Potential for gumming or clogging if fuel is left in the system for extended periods without stabilizer. Manual details cleaning and adjustment.
Electrical Gremlins:
Corrosion in connectors or grounds can cause intermittent issues. Comprehensive wiring diagrams in the manual are essential for diagnosis.
Suspension Wear:
Bushings and seals in the front and rear suspension can wear over time, affecting ride quality and handling. Manual details replacement procedures.
Heritage:
Suzuki has a long-standing reputation in the powersports industry, known for producing reliable and durable motorcycles and ATVs. The 'Quad Sport' line has been a popular offering.
Evolution:
The LT-F250 Quad Sport evolved from earlier Suzuki utility ATVs, incorporating incremental improvements in engine technology, suspension, and rider comfort. This 2003 model represents a mature iteration of the design.
Manufacturing Location:
Likely manufactured in Japan or a Suzuki facility in North America.
Production Years:
The LT-F250 Quad Sport model was produced for several years in the early to mid-2000s, with variations in trim and minor updates.
