Category:
        
        
            All-Terrain Vehicle (ATV)
        
     
    
        
            Target Audience:
        
        
            Recreational riders, utility users, DIY mechanics, professional workshops
        
     
    
    
        
            Key Competitors:
        
        
            Yamaha Wolverine 350/450, Honda FourTrax 350/400, Polaris Sportsman 400, Kawasaki Prairie 360
        
     
    
    
        
            Vehicle Attributes:
        
        
            Durable, reliable, capable of tackling various terrains, versatile for work and play
        
     
    
        
            Manual Value Proposition:
        
        
            Empowers owners to perform maintenance and repairs, saving on labor costs and ensuring longevity of the vehicle.
        
     
 
    
    
    
        
            Model Years Covered:
        
        
            2002, 2003, 2004, 2005, 2006, 2007
        
     
    
        
            Variants Covered:
        
        
            LT-F400 (2WD/4x2), LT-F400F (4WD - implied by general model description and common configurations)
        
     
    
    
        
            Estimated Page Count:
        
        
            Varies by edition, typically 400+ pages for a comprehensive service manual
        
     
    
    
        
            Manual Type:
        
        
            Factory-authorized Repair Service Manual / Workshop Manual
        
     
    
    
    
    
 
    
    
    
        
            Engine:
        
        
            Complete engine overhaul, diagnosis, lubrication, fuel system (carburetor/EFI), ignition system, exhaust system, cooling system
        
     
    
        
            Transmission:
        
        
            Gearbox, clutch (primary reduction gear, drive clutch), reverse gear, shift mechanism, lubrication
        
     
    
        
            Drivetrain:
        
        
            Drive shaft, axle, front differential (if applicable to specific models), rear differential, U-joints, wheel bearings
        
     
    
        
            Suspension:
        
        
            Front forks, rear shock absorber (struts), swingarm (swinger), linkage, bushings, bearings
        
     
    
        
            Brakes:
        
        
            Front and rear brake systems (hydraulic disc or drum depending on configuration), master cylinders, calipers, pads, rotors, brake lines, fluid bleeding
        
     
    
        
            Electrical:
        
        
            Starting system (starter motor, kickstart mechanism), charging system (stator, magneto, regulator/rectifier), battery, lighting system (headlights, taillights, indicators), ignition coils, CDI unit, wiring diagrams, fuses, switches
        
     
    
        
            Bodywork And Chassis:
        
        
            Frame, handlebars, steering system (triple trees), fenders, seat, body panels, storage, racks, footpegs
        
     
    
    
        
            Maintenance:
        
        
            Scheduled maintenance, oil changes, filter replacements, coolant flush, lubrication points, valve clearance adjustment, tire pressure checks, brake adjustments
        
     
    
        
            Troubleshooting:
        
        
            Diagnosing common problems such as no spark, starting issues, engine performance problems, electrical faults, suspension issues, brake problems
        
     
    
        
            Repair And Rebuild:
        
        
            Complete engine rebuilds, carburetor overhaul, transmission repairs, suspension component replacement, brake system service, electrical component diagnosis and replacement
        
     
    
        
            Diagnosis:
        
        
            Step-by-step diagnostic procedures for various systems, error code interpretation (if applicable to EFI models)
        
     
    
        
            Installation:
        
        
            Guidance on installing or replacing major components and accessories
        
     
    
    
        
            Depth:
        
        
            Comprehensive. Covers everything from routine maintenance and basic adjustments to complete engine and transmission overhauls, including detailed diagnostic procedures.
        
     
    
        
            Diagnostic Tools:
        
        
            Includes information on using basic tools and potentially diagnostic procedures for electronic fuel injection (EFI) systems if present.
        
     
 
    
    
    
    
        
            File Compatibility:
        
        
            Compatible with Windows, macOS, Linux, iOS, Android via PDF reader
        
     
    
    
        
            Printability:
        
        
            Printable on any standard printer from any computer
        
     
    
    
        
            Binding Type:
        
        
            Digital Download (No physical binding)
        
     
    
    
        
            Paper Type:
        
        
            N/A (Digital Format)
        
     
    
    
        
            Text Searchability:
        
        
            Likely searchable text content within the PDF, enabling quick information retrieval
        
     
    
    
        
            Illustration Quality:
        
        
            Illustrated with clear, step-by-step instructions and diagrams (e.g., exploded views, schematics)
        
     
 
    
    
    
        
            Engine Type:
        
        
            4-stroke, SOHC, 2-valve, air-cooled
        
     
    
        
            Displacement:
        
        
            376 cc (23.0 cubic inches)
        
     
    
        
            Bore X Stroke:
        
        
            81.0 mm x 72.8 mm (3.19 in x 2.87 in)
        
     
    
    
    
        
            Horsepower:
        
        
            Approximately 25-28 HP (Varies slightly by model year and specific tuning)
        
     
    
        
            Torque:
        
        
            Approximately 22-24 lb-ft (Varies)
        
     
    
    
        
            Carburetor Type:
        
        
            Mikuni BSR36 (for most years, may vary slightly)
        
     
    
        
            Fuel Injection:
        
        
            Some later EFI (Electronic Fuel Injection) models may exist, though the primary offering was carbureted.
        
     
    
        
            Fuel Capacity:
        
        
            Approximately 3.7 US gallons (14.0 liters)
        
     
    
    
        
            Ignition System:
        
        
            CDI (Capacitor Discharge Ignition)
        
     
    
    
        
            Cooling Method:
        
        
            Air-cooled with oil cooler
        
     
 
    
    
    
        
            Length:
        
        
            Approximately 77.0 inches (1955 mm)
        
     
    
        
            Width:
        
        
            Approximately 46.5 inches (1180 mm)
        
     
    
        
            Height:
        
        
            Approximately 45.1 inches (1145 mm)
        
     
    
        
            Wheelbase:
        
        
            Approximately 50.0 inches (1270 mm)
        
     
    
    
        
            Dry Weight:
        
        
            Approximately 518 lbs (235 kg) for 2WD, 538 lbs (244 kg) for 4WD
        
     
    
        
            Curb Weight:
        
        
            Approximately 540-560 lbs (245-254 kg) depending on 2WD/4WD
        
     
    
    
        
            Front Tire Size:
        
        
            AT25 x 8-12
        
     
    
        
            Rear Tire Size:
        
        
            AT25 x 10-12
        
     
    
        
            Tire Pressure Psi:
        
        
            Typically 5.0 PSI front and rear (refer to manual for exact specifications)
        
     
 
    
    
    
        
            Engine Oil Change:
        
        
            Typically every 1000 km or annually, whichever comes first (refer to manual for exact interval and specific oil grade)
        
     
    
        
            Spark Plug Check:
        
        
            Inspect at first service, then as recommended in the manual (e.g., every 2000-4000 km)
        
     
    
        
            Air Filter Cleaning:
        
        
            Inspect regularly, clean or replace as needed based on operating conditions (e.g., every 6 months or 500 km)
        
     
    
        
            Valve Clearance Adjustment:
        
        
            Typically at first service and then every 4000 km or as per manual recommendations
        
     
    
    
        
            Engine Oil Type:
        
        
            SAE 10W-40 API SG or higher (refer to manual for specific recommendations, including JASO MA rating for wet clutch compatibility)
        
     
    
        
            Engine Oil Capacity:
        
        
            Approximately 2.1 liters (2.2 US qt) with filter change (verify in manual)
        
     
    
        
            Coolant Type:
        
        
            Ethylene glycol based antifreeze coolant (typically a 50/50 mix with distilled water)
        
     
    
        
            Brake Fluid Type:
        
        
            DOT 3 or DOT 4 hydraulic brake fluid
        
     
    
    
        
            Common Wear Items:
        
        
            CVT belt wear, wheel bearings, suspension bushings, brake pads
        
     
    
        
            Carburetor Tuning:
        
        
            Carburetor can sometimes require fine-tuning or cleaning, especially with age and varying fuel quality. Mixture screw adjustments are common.
        
     
    
        
            Starter Clutch:
        
        
            Some models may experience wear on the starter clutch mechanism.