Market Segment:
Mid-size utility ATV segment.
Competitors:
Comparable to models from Yamaha (Grizzly), Polaris (Sportsman), Arctic Cat (TRV), Can-Am (Outlander).
Value Proposition:
Empowers owners to perform their own repairs, saving significant costs through easy-to-follow, illustrated instructions.
Ease Of Use:
Designed for accessibility, featuring clear, concise language and visual aids to facilitate DIY repairs and maintenance.
Systems Covered:
Engine, Transmission, Drivetrain, Suspension, Steering, Brakes, Electrical System, Fuel System, Cooling System, Lubrication System, Chassis, Bodywork, Diagnostics, Troubleshooting.
Electrical System Details:
Comprehensive coverage of the electrical system, including battery, starter, charging system, ignition, lighting, and accessories, supported by detailed wiring diagrams.
Procedures Included:
Routine maintenance, scheduled servicing, detailed repair procedures, disassembly, assembly, component testing, troubleshooting guides, wiring diagrams, specifications.
Engine Rebuild Procedures:
Detailed step-by-step instructions for engine disassembly, inspection, repair, and reassembly, including piston, cylinder, crankshaft, and valve train servicing.
Suspension And Steering Service:
Procedures for servicing control arms, ball joints, tie rods, steering rack, shocks, and hubs.
Fuel System Diagnosis And Repair:
Troubleshooting and repair of the fuel pump, injectors (if EFI), fuel filter, and associated lines.
Cooling System Maintenance:
Radiator service, water pump replacement, thermostat testing, and coolant flush procedures.
Technical Depth:
Comprehensive, from basic maintenance to advanced diagnostics and complete rebuilds, with step-by-step instructions and illustrations.
Diagnostic Trouble Codes:
While not explicitly stated as OBD-II, the manual will cover diagnostic procedures and likely fault codes if applicable to the EFI system.
Torque Specifications:
Essential torque values for critical fasteners across all major components (engine, transmission, suspension, brakes) will be provided.
Engine Type:
Single-cylinder, 4-stroke
Displacement:
Approximately 400cc-450cc range (specifics would be detailed in the manual)
Cooling System:
Liquid-cooled (common for this class)
Bore X Stroke:
Specific bore and stroke dimensions will be detailed for engine rebuilds and specifications.
Horsepower:
Estimated 25-35 HP range (specific figures available in manual)
Torque:
Torque figures will be detailed in the manual for performance tuning and diagnostics.
Compression Ratio:
Compression ratio specifications will be provided for engine diagnostics and performance tuning.
Fuel Delivery:
Fuel Injection (EFI) is highly probable for 2008-2012 models, carburetor possible on earlier variants not covered.
Fuel Type:
Unleaded gasoline
Idle Speed Specification:
Recommended idle speed for proper engine operation will be included.
Oil Type Specification:
Specific oil viscosity (e.g., SAE 10W-40) and API service classification (e.g., SG or higher) will be listed in the manual.
Valve Lash Adjustment:
Procedure and specifications for valve clearance adjustment will be thoroughly covered.
Transmission Type:
Automatic CVT (Continuously Variable Transmission) with Hi/Lo range and Reverse.
Drive System:
Shaft drive, likely with selectable 2WD/4WD and potentially front differential lock.
Cvtfruid Type:
Specific CVT fluid type and capacity will be detailed in the manual, crucial for longevity.
Gear Ratios:
While CVT, specific ratios for Hi, Lo, and Reverse ranges will be outlined for understanding performance characteristics.
Belt Inspection Replacement:
Procedures for inspecting and replacing the CVT belt, a common wear item, will be included.
Length:
Approximate length: 70-80 inches (specifics in manual).
Width:
Approximate width: 40-50 inches (specifics in manual).
Height:
Approximate height: 45-55 inches (specifics in manual).
Curb Weight:
Typically in the range of 500-600 lbs (specifics in manual).
Towing Capacity:
Likely around 500-1000 lbs (specifics to be confirmed in manual).
Rack Capacity Front:
Standard front rack capacity, detailed in the manual.
Rack Capacity Rear:
Standard rear rack capacity, detailed in the manual.
Braking System Front:
Hydraulic disc brakes, typically dual discs.
Braking System Rear:
Hydraulic disc brake, typically single disc.
Lighting:
Headlights, taillight, brake light, likely with standard incandescent or early LED technology.
Wheel Bolt Pattern:
Specific bolt pattern (e.g., 4x110mm) will be detailed for wheel service.
Tire Size Front:
Typical front tire sizes will be specified (e.g., AT25x8-12).
Tire Size Rear:
Typical rear tire sizes will be specified (e.g., AT25x10-12).
Instrument Cluster:
Details on the functionality and interpretation of the ATV's instrument cluster (speedometer, odometer, fuel gauge, indicator lights).
Selectable 4Wd Operation:
Instructions and troubleshooting for the 2WD/4WD engagement system.
Lighting System Control:
Operation and maintenance of headlights, taillights, and other lighting components.
Oil Change Interval:
Recommended intervals for engine oil and filter changes (e.g., every 1000 miles or annually) will be clearly defined.
Air Filter Cleaning:
Procedures and recommended intervals for cleaning or replacing the air filter will be detailed.
Spark Plug Replacement:
Specifications for spark plug type and replacement intervals will be provided.
Brake Fluid Flush:
Recommended schedule for flushing and replacing brake fluid.
Coolant Type:
Type and mixture ratio for engine coolant (e.g., ethylene glycol based, 50/50 mix) will be specified.
Gear Oil Specification:
Specifications for front and rear differential/gearbox oil viscosity and type.
Brake Fluid Specification:
DOT 3 or DOT 4 brake fluid recommendation will be provided.
Common Wear Items:
The manual will likely address common wear items such as brake pads, CVT belts, suspension bushings, and electrical connectors.
Troubleshooting Tips:
Contains sections dedicated to diagnosing and resolving common operational issues and performance problems.
Manufacturer Origin:
Hisun (Chongqing Hisun Motor Co., Ltd.) is a Chinese manufacturer of ATVs, UTVs, motorcycles, and scooters.
Model Lineage:
The 450ATV-2 represents Hisun's offering in the mid-displacement utility ATV market during the late 2000s and early 2010s, often sold under various brand names as well.
Production Period:
Specific production runs and significant updates for model years 2008-2012 are covered.
