Segment:
        
        
            Mid-size utility ATV, known for its versatility in recreational and moderate work applications.
        
     
    
        
            Competitors 2010:
        
        
            Polaris Sportsman 400, Can-Am Outlander 400, Yamaha Grizzly 450, Kawasaki Brute Force 300/400.
        
     
    
    
        
            Key Strengths:
        
        
            Often praised for its comfortable ride, reliable engine, and capable suspension for its class.
        
     
    
    
        
            Trv Designation:
        
        
            TRV typically indicates a 'Traction-Rapid-Vent' or similar feature, implying enhanced capability in varying terrain and potentially a rider-forward seating position or passenger capability.
        
     
    
        
            Engine Size Class:
        
        
            400cc class, a popular and balanced displacement for a wide range of ATV uses.
        
     
    
        
            Target User:
        
        
            Recreational riders, trail enthusiasts, and those needing a capable but not overly powerful utility ATV.
        
     
 
    
    
    
        
            Engine Mechanical:
        
        
            Engine assembly, disassembly, inspection, cylinder head, pistons, crankshaft, camshaft, valves, lubrication system, cooling system.
        
     
    
        
            Fuel System:
        
        
            Fuel tank, fuel pump, fuel filter, carburetor (or EFI system if applicable), fuel lines, fuel injection system (if equipped).
        
     
    
        
            Ignition System:
        
        
            Ignition coils, spark plugs, CDI unit, stator, wiring.
        
     
    
        
            Transmission:
        
        
            Automatic transmission (CVT), drive clutch, driven clutch, belt inspection and replacement, gearcase, differential.
        
     
    
        
            Drivetrain:
        
        
            Driveshafts, CV joints, axles, wheel hubs, transfer case (if applicable).
        
     
    
        
            Suspension:
        
        
            Front and rear suspension components, shock absorbers, springs, control arms, bushings, alignment specifications.
        
     
    
        
            Steering:
        
        
            Steering column, tie rods, steering knuckles, power steering system (if equipped), alignment.
        
     
    
        
            Braking System:
        
        
            Hydraulic brake system, brake calipers, brake pads, brake discs, master cylinder, brake lines, bleeding procedures.
        
     
    
        
            Electrical System:
        
        
            Battery, charging system (alternator/stator), starting system (starter motor), lighting, ignition switch, relays, fuses, wiring diagrams.
        
     
    
        
            Body And Frame:
        
        
            Frame inspection, body panels, fenders, racks, seat, handlebar, controls.
        
     
    
        
            Troubleshooting:
        
        
            Diagnostic procedures, common problems and solutions for all major systems.
        
     
    
    
        
            Scheduled Maintenance:
        
        
            Oil changes, filter replacements, lubrication points, valve adjustments, spark plug checks.
        
     
    
        
            Engine Repair:
        
        
            Complete engine rebuilds, piston and cylinder replacement, camshaft and valve train service.
        
     
    
        
            Transmission Repair:
        
        
            Clutch service, gearcase overhaul, drive belt replacement and adjustment.
        
     
    
        
            Suspension And Steering Service:
        
        
            Component replacement, alignment adjustments, steering system diagnostics.
        
     
    
        
            Brake System Service:
        
        
            Brake pad replacement, caliper servicing, fluid flush and bleeding.
        
     
    
        
            Electrical Diagnostics:
        
        
            Wiring diagram interpretation, component testing, troubleshooting electrical faults.
        
     
    
        
            Carburetor Rebuild Or Efi Calibration:
        
        
            Detailed steps for cleaning, tuning, or recalibrating the fuel delivery system.
        
     
    
        
            Torque Specifications:
        
        
            Precise torque values for all critical fasteners and components.
        
     
    
    
        
            Depth:
        
        
            Comprehensive from basic maintenance to complete engine and transmission overhauls, including advanced diagnostics and electrical troubleshooting.
        
     
 
    
    
    
        
            Engine Type:
        
        
            Four-stroke, single-cylinder
        
     
    
        
            Displacement:
        
        
            375cc (approximate, actual may vary slightly based on specific model variants)
        
     
    
        
            Bore X Stroke:
        
        
            Specifications typically found within the manual. Likely around 80mm x 74mm.
        
     
    
        
            Cooling System:
        
        
            Liquid-cooled
        
     
    
        
            Valve Train:
        
        
            SOHC (Single Overhead Camshaft), 2 valves per cylinder (typical for this class).
        
     
    
    
        
            Horsepower Estimate:
        
        
            Approximately 25-30 HP (varies by tuning and exact configuration).
        
     
    
        
            Torque Estimate:
        
        
            Approximately 20-25 lb-ft (varies by tuning and exact configuration).
        
     
    
    
        
            Fuel Delivery:
        
        
            Carbureted (likely Mikuni or Keihin).
        
     
    
        
            Fuel Type:
        
        
            Unleaded gasoline
        
     
    
        
            Fuel Tank Capacity:
        
        
            Typically around 3.5 - 4.5 gallons.
        
     
 
    
    
    
        
            Length:
        
        
            Around 83-85 inches (210-216 cm).
        
     
    
        
            Width:
        
        
            Around 46-48 inches (117-122 cm).
        
     
    
        
            Height:
        
        
            Around 48-50 inches (122-127 cm).
        
     
    
        
            Wheelbase:
        
        
            Around 50-52 inches (127-132 cm).
        
     
    
    
        
            Front Rack Capacity:
        
        
            Typically around 50 lbs (23 kg).
        
     
    
        
            Rear Rack Capacity:
        
        
            Typically around 100 lbs (45 kg).
        
     
    
    
        
            Dry Weight:
        
        
            Around 550-600 lbs (250-272 kg).
        
     
    
        
            Towing Capacity:
        
        
            Typically around 1000-1050 lbs (454-476 kg).
        
     
    
        
            Ground Clearance:
        
        
            Around 8-10 inches (20-25 cm).
        
     
 
    
    
    
        
            Engine Oil Change:
        
        
            Every 100 hours or annually, whichever comes first.
        
     
    
        
            Air Filter Inspection:
        
        
            Every 20 hours or as needed in dusty conditions; replace annually or as needed.
        
     
    
        
            Spark Plug Inspection And Cleaning:
        
        
            Every 100 hours or annually.
        
     
    
        
            Cv Belt Inspection:
        
        
            Every 50 hours or annually. Replace if worn or damaged.
        
     
    
        
            Brake Fluid Flush:
        
        
            Every 2 years or as recommended.
        
     
    
    
        
            Engine Oil Type:
        
        
            SAE 10W-40, API SG or higher.
        
     
    
        
            Engine Oil Capacity:
        
        
            Approximately 2.0 - 2.5 quarts (1.9 - 2.4 liters) with filter change. (Verify in manual).
        
     
    
        
            Coolant Type:
        
        
            Ethylene glycol-based antifreeze with corrosion inhibitors, typically a 50/50 mix with distilled water.
        
     
    
        
            Brake Fluid Type:
        
        
            DOT 3 or DOT 4 hydraulic brake fluid.
        
     
    
    
        
            Common Wear Items:
        
        
            CV boots, tie rod ends, brake pads, wheel bearings, and suspension bushings are common wear items on ATVs used frequently.
        
     
    
        
            Cv Belt Durability:
        
        
            CV belts can be susceptible to premature wear if subjected to excessive heat or improper clutch engagement.