Positioning:
        
        
            The Suzuki QuadRunner 250 was a popular entry-to-mid-level ATV, known for its reliability and utility for recreational and light work purposes.
        
     
    
    
        
            Competitors:
        
        
            Competed against models from Honda (e.g., FourTrax 250), Yamaha (e.g., Big Bear 250), and Kawasaki (e.g., Bayou 220/250).
        
     
    
    
        
            Features:
        
        
            Simple, air-cooled engine, reliable drivetrain, and a focus on user-friendliness and durability.
        
     
    
    
        
            Value:
        
        
            Provides comprehensive factory-level service and repair information, enabling owners and technicians to maintain and fix the vehicle accurately.
        
     
 
    
    
    
        
            Engine:
        
        
            Full engine disassembly, assembly, tuning, diagnosis, and overhaul procedures.
        
     
    
        
            Transmission:
        
        
            Gearbox maintenance, repair, and adjustment for all gears and components.
        
     
    
        
            Drivetrain:
        
        
            Coverage of driveshaft, differential, and axle maintenance and repair.
        
     
    
        
            Suspension:
        
        
            Front and rear suspension system inspection, adjustment, and component replacement.
        
     
    
        
            Brakes:
        
        
            Brake system maintenance, bleeding procedures, caliper and master cylinder repair.
        
     
    
        
            Electrical System:
        
        
            Wiring diagrams, starter system, ignition system, lighting, and charging system diagnosis and repair.
        
     
    
        
            Fuel System:
        
        
            Carburetor tuning, cleaning, and overhaul; fuel pump and line inspection.
        
     
    
        
            Cooling System:
        
        
            Radiator, fan, and coolant system maintenance and troubleshooting (if applicable to specific models within the range).
        
     
    
        
            Body And Frame:
        
        
            Body panel removal, installation, and minor repair procedures; frame inspection.
        
     
    
    
        
            Preventative Maintenance:
        
        
            Routine maintenance tasks, lubrication points, and fluid level checks.
        
     
    
        
            Troubleshooting:
        
        
            Diagnostic charts and symptom-based problem-solving guides.
        
     
    
        
            Repair Procedures:
        
        
            Step-by-step instructions for component removal, installation, and repair.
        
     
    
        
            Adjustment Procedures:
        
        
            Carburetor, ignition timing, and brake adjustments.
        
     
    
        
            Diagnostic Testing:
        
        
            Methods for testing electrical components, engine performance, and mechanical systems.
        
     
    
    
        
            Depth:
        
        
            Comprehensive, covering all aspects from basic maintenance to complete engine and transmission rebuilds.
        
     
 
    
    
    
        
            Engine Type:
        
        
            Four-stroke, single-cylinder, air-cooled
        
     
    
        
            Displacement:
        
        
            Approximately 246 cc (specific displacement may vary slightly by sub-model).
        
     
    
        
            Bore X Stroke:
        
        
            Typical bore around 68.0 mm, stroke around 68.4 mm (specifics may vary).
        
     
    
        
            Compression Ratio:
        
        
            Typically around 9.2:1 to 9.5:1 (model dependent).
        
     
    
    
        
            Horsepower:
        
        
            Estimated 15-20 HP (specific output varies by year and tuning).
        
     
    
        
            Torque:
        
        
            Estimated 14-18 lb-ft (specific output varies by year and tuning).
        
     
    
    
        
            Carburetor Type:
        
        
            Mikuni VM series (e.g., VM26 or similar) or Keihin carburetors.
        
     
    
        
            Fuel Type:
        
        
            Unleaded gasoline
        
     
    
    
        
            Ignition Type:
        
        
            CDI (Capacitor Discharge Ignition)
        
     
    
    
        
            Oil Type:
        
        
            SAE 10W-40 or 20W-40 motorcycle-specific oil (API SF or SG classification).
        
     
    
        
            Oil Capacity:
        
        
            Approximately 1.5-1.8 liters (including oil filter replacement).
        
     
    
    
        
            Starter:
        
        
            Electric start (standard on most models).
        
     
 
    
    
    
        
            Gearbox:
        
        
            5-speed manual transmission with reverse.
        
     
    
        
            Clutch Type:
        
        
            Wet multi-plate clutch.
        
     
    
    
        
            Drive Type:
        
        
            Shaft drive, 2WD (Two-Wheel Drive).
        
     
    
    
        
            Transmission Oil:
        
        
            API GL-4 SAE 80W-90 gear oil.
        
     
    
    
        
            Transmission Oil Capacity:
        
        
            Approximately 0.7 liters.
        
     
 
    
    
    
        
            Length:
        
        
            Varies by year, typically around 1800-1900 mm.
        
     
    
        
            Width:
        
        
            Varies by year, typically around 750-850 mm.
        
     
    
        
            Height:
        
        
            Varies by year, typically around 1000-1100 mm.
        
     
    
        
            Wheelbase:
        
        
            Approximately 1100-1200 mm.
        
     
    
    
        
            Dry Weight:
        
        
            Approximately 170-200 kg.
        
     
    
        
            Payload Capacity:
        
        
            Typically around 150-200 kg (rack capacity).
        
     
    
    
        
            Front Tire Size:
        
        
            AT22x8-10 or similar.
        
     
    
        
            Rear Tire Size:
        
        
            AT22x10-9 or similar.
        
     
    
        
            Recommended Tire Pressure:
        
        
            Typically 2.5-3.5 PSI (check specific manual for accuracy).
        
     
    
    
        
            Front Brake Type:
        
        
            Dual hydraulic disc brakes.
        
     
    
        
            Rear Brake Type:
        
        
            Drum brake or hydraulic disc brake (varies by year/model).
        
     
 
    
    
    
        
            Atv Safety Standards:
        
        
            Designed to meet applicable industry safety standards for ATVs of its era.
        
     
    
    
        
            Throttle Limiter:
        
        
            Potential inclusion of adjustable throttle limiter for new riders (check specific model features).
        
     
    
    
        
            Handlebar Design:
        
        
            Ergonomic handlebar design for control and comfort.
        
     
    
        
            Footwells:
        
        
            Wide footwells with heel guards for rider foot protection.
        
     
 
    
    
    
        
            Features:
        
        
            Basic instrumentation: speedometer, odometer, neutral indicator, high beam indicator, engine oil indicator.
        
     
    
    
        
            Features:
        
        
            None (standard for the era and vehicle type).
        
     
    
    
        
            Features:
        
        
            None (standard for the era and vehicle type).
        
     
 
    
    
    
        
            Oil Change Interval:
        
        
            Every 1,000 km or 6 months (refer to specific manual for exact interval and conditions).
        
     
    
        
            Air Filter Cleaning:
        
        
            Every 500 km or annually, more often in dusty conditions.
        
     
    
        
            Spark Plug Replacement:
        
        
            Every 5,000 km or annually (specific plug type: NGK DPR7EA-9 or equivalent).
        
     
    
        
            Valve Clearance Check:
        
        
            Every 3,000 km or 2 years.
        
     
    
    
        
            Brake Fluid Type:
        
        
            DOT 3 or DOT 4 brake fluid.
        
     
    
        
            Coolant Type:
        
        
            If liquid-cooled variant exists, standard ethylene glycol-based coolant.
        
     
    
    
        
            Carburetor Issues:
        
        
            Clogging due to fuel deposits, requiring regular cleaning and proper fuel storage.
        
     
    
        
            Electrical Connector Corrosion:
        
        
            Corrosion in connectors and wiring harness due to exposure to elements, requiring inspection and cleaning.
        
     
    
        
            Suspension Wear:
        
        
            Wear in bushings and shock absorbers over time, leading to a less responsive ride.
        
     
    
        
            Starter Solenoid Failure:
        
        
            Occasional failure of the starter solenoid.
        
     
    
    
        
            Engine Oil Drain Plug:
        
        
            Typically 15 Nm (refer to manual for exact torque).
        
     
    
        
            Wheel Lug Nuts:
        
        
            Typically 30-40 Nm (refer to manual for exact torque).
        
     
 
    
    
    
        
            Suzuki Atv Legacy:
        
        
            Suzuki has a long history in ATV manufacturing, starting with the pioneering QuadRunner line in the early 1980s.
        
     
    
    
        
            Quadrunner 250 Development:
        
        
            The LT-F250 QuadRunner 250 was an evolution of earlier models, refining the design and incorporating features for increased usability and performance.
        
     
    
    
        
            Manufacturing Location:
        
        
            Primarily manufactured in Japan.
        
     
    
        
            Market Impact:
        
        
            Contributed to Suzuki's strong market presence in the utility and recreational ATV segments during the 1990s.