Market Segment:
Mid-range utility ATV, popular for recreational trail riding and light-duty work.
Competitors:
Competes with models from brands like Polaris, Yamaha, Can-Am, and Suzuki in the 400cc to 500cc utility ATV class.
Key Features:
TRV designation indicates a 'Traction, Ride, Versatility' platform, often featuring a two-up seating configuration and robust utility features.
Engine:
Detailed engine overhaul, including disassembly, inspection, reassembly, and specifications for the 400cc class engine.
Fuel System:
Carburetor adjustment, cleaning, and overhaul procedures; fuel pump operation; fuel filter replacement; fuel tank and line inspection.
Cooling System:
Radiator maintenance, fan operation, coolant specifications, thermostat replacement, and leak testing.
Transmission:
CVT (Continuously Variable Transmission) service, including belt inspection and replacement, clutch assembly, and gearbox maintenance.
Drivetrain:
Front and rear differential service, driveshaft inspection and maintenance, U-joints, and axle assembly.
Suspension:
Front and rear suspension component inspection, adjustment, and replacement; shock absorber service; A-arm bush inspection.
Brakes:
Hydraulic brake system service, including caliper overhaul, brake pad replacement, fluid bleeding, master cylinder inspection, and rotor maintenance.
Steering:
Steering mechanism inspection, tie rod end replacement, handlebar and column maintenance, and troubleshooting steering play.
Electrical System:
Wiring diagrams, battery maintenance, charging system (stator, regulator/rectifier), starter motor, lighting system, and ignition system diagnostics.
Body And Chassis:
Frame inspection, plastic body panel removal and installation, seat maintenance, and rack system service.
Maintenance:
Scheduled maintenance tasks, fluid changes (oil, coolant, brake fluid), filter replacement, lubrication points, and pre-ride checks.
Troubleshooting:
Diagnostic procedures for common issues, fault finding guides, and solutions for performance, electrical, and mechanical problems.
Repair:
Step-by-step instructions for component removal, repair, and reinstallation across all major ATV systems.
Specifications:
Torque specifications, clearances, fluid capacities, and critical measurements for accurate repairs and adjustments.
Depth:
Comprehensive coverage suitable for both home mechanics and professional technicians, encompassing basic adjustments to complete engine and transmission rebuilds.
Engine Type:
4-stroke, Liquid-Cooled, Single Cylinder
Displacement:
375cc (Approximate, actual may vary slightly based on bore/stroke variants)
Bore X Stroke:
Specifics detailed within the manual, typically around 83mm x 69mm.
Compression Ratio:
Detailed within the manual, typical for this class is around 9.0:1 to 10.0:1.
Horsepower:
Estimated 25-30 HP (figures vary and are detailed in the manual).
Torque:
Detailed in manual, emphasis on low-end torque for utility.
Carburetor:
Mikuni BSR42 (typical, verification in manual) or similar.
Fuel Type:
Unleaded gasoline, 87 octane minimum recommended.
Oil Type:
SAE 10W-40, API SG, JASO MA certified motorcycle oil recommended. Specifics in manual.
Oil Capacity:
Approx. 2.2 Liters (including filter, verify in manual).
Ignition System:
Electronic Ignition (CDI)
Transmission Type:
Automatic CVT (Continuously Variable Transmission)
Drive Modes:
2WD/4WD selectable, often with electronic front differential lock.
Gear Reduction:
High/Low range gearing plus Reverse.
Clutch:
CVT automatic clutch with belt drive.
Transmission Fluid:
Specific CVT fluid or SAE 10W-30 API GL-4 gear oil may be specified for the final drive, detailed in the manual.
Length:
Approx. 83.5 inches (212 cm), verify with manual.
Width:
Approx. 46 inches (117 cm), verify with manual.
Height:
Approx. 46 inches (117 cm), verify with manual.
Dry Weight:
Approx. 650 lbs (295 kg), verify with manual.
Ground Clearance:
Approx. 11.5 inches (29 cm), verify with manual.
Front Rack Capacity:
Approx. 100 lbs (45 kg), verify with manual.
Rear Rack Capacity:
Approx. 200 lbs (90 kg), verify with manual.
Towing Capacity:
Typically 1000 lbs (454 kg), verify with manual.
Front Tire Size:
Typically 25x8-12, verify with manual.
Rear Tire Size:
Typically 25x10-12, verify with manual.
Wheel Bolt Pattern:
Standard 4x110mm for ATVs, verify with manual.
Safety Certification:
ATV safety standards compliance (e.g., ANSI/SVIA, specific certifications detailed in manual).
Braking System:
Hydraulic disc brakes front and rear, often with parking brake mechanism.
Lighting:
Dual halogen headlights, taillight, and brake light.
Hand Guards:
Often included for rider protection.
Instrument Cluster:
Digital instrument cluster typically displaying speed, RPM, odometer, trip meter, 2WD/4WD status, and warning lights.
4Wd System:
Switchable 2WD/4WD with front differential lock for enhanced traction in difficult terrain.
Charging System:
12V DC electrical system with stator and regulator/rectifier for powering accessories and battery charging.
Engine Oil Change:
Every 100 hours or annually, whichever comes first. Specifics in manual.
Air Filter Cleaning:
Inspect every 20 hours, clean as needed. Replace if damaged.
Spark Plug Replacement:
Recommended every 200 hours or annually. Specific gap in manual.
Brake Fluid Flush:
Every 2 years or as recommended by inspection. Specific fluid type in manual.
Cvt Belt Inspection:
Inspect every 50 hours for wear and damage. Replace as needed.
Engine Oil Viscosity:
SAE 10W-40
Coolant Type:
Ethylene glycol-based antifreeze, 50/50 mix with distilled water.
Brake Fluid Type:
DOT 3 or DOT 4 hydraulic brake fluid.
Common Wear Items:
CVT belt wear, suspension bushings, brake pad wear, and exhaust system components are common wear items requiring regular inspection.
Electrical Gremlins:
Occasional issues with battery terminals, starter solenoid, or stator output are reported in this era of ATVs; manual aids diagnosis.
