🏷️ Basic Information

Make:

Arctic Cat

Model:

400 TRV Twin

Year:

2006

Vehicle Type:

ATV (All-Terrain Vehicle)

Sub Model:

TRV (Tractor/Rider Vehicle) Twin

Engine Code:

Likely a variant of a 375cc or 400cc liquid-cooled, 4-stroke twin-cylinder engine, specific code would be detailed in the manual.

👋 Introduction

Segment:

Mid-size utility ATV.

Target Audience:

Recreational riders, hunters, and utility users requiring a robust and capable off-road vehicle.

Competitors 2006:

Polaris Sportsman 400, Honda TRX400FW Foreman, Suzuki King Quad 300/400, Yamaha Wolverine 350/450, Kawasaki Prairie 360/400.

Engine Configuration:

V-twin engine configuration offered a unique selling point in its class at the time.

Suspension Type:

Independent front and rear suspension for improved ride comfort and handling.

Transmission Type:

Automatic CVT transmission with Hi/Lo range and reverse for versatile operation.

Drivetrain:

Switchable 2WD/4WD system with front differential lock for enhanced traction.

Trv Designation:

The 'TRV' designation signifies its suitability for tractor-like work and rider comfort, often associated with longer wheelbase models or specific seating configurations for two up riding.

📋 Manual Details

Manual Type:

Factory Service Repair Manual

Language:

English

Format:

Downloadable PDF

Coverage Scope:

Comprehensive repair, rebuild, refurbishment, and restoration.

Estimated Page Count:

Typically 300-600+ pages for a complete factory service manual of this era and complexity, exact count not provided but implied to be extensive.

📖 Manual Coverage

Engine Mechanical:

Engine disassembly, assembly, inspection, overhaul, valve timing, piston/cylinder, crankshaft, camshafts, lubrication system.

Fuel System:

Carburetor (likely Mikuni or Keihin) settings, cleaning, rebuilding, fuel pump, fuel lines, fuel tank, fuel filter.

Ignition System:

CDI unit, ignition coils, spark plugs, wiring diagrams, troubleshooting ignition faults.

Cooling System:

Radiator, coolant hoses, water pump, thermostat, fan operation, coolant specifications.

Exhaust System:

Muffler, exhaust pipes, heat shields, gaskets, inspection and replacement.

Transmission Drivetrain:

CVT (Continuously Variable Transmission) operation, clutch service, belt inspection/replacement, drive clutch, driven clutch, gearcase, driveshafts, differentials (front/rear), axle shafts, U-joints.

Suspension System:

Front and rear suspension components, shock absorbers, springs, A-arms, bushings, steering knuckles, alignment procedures, adjustment.

Braking System:

Hydraulic brake system, brake calipers, master cylinder, brake lines, brake pads, brake discs, bleeding procedure, brake fluid specifications.

Steering System:

Handlebar assembly, steering column, tie rods, steering rack/gearbox, lubrication, troubleshooting steering play.

Electrical System:

Battery, starter motor, alternator/stator, lighting system (headlights, taillights, brake lights), wiring diagrams, fuses, relays, troubleshooting electrical faults.

Chassis Frame:

Frame inspection, welds, mounting points, removal and installation of major components.

Bodywork Plastics:

Fender removal/installation, seat, body panels, trim pieces, graphics.

Towing Hauling:

Information related to the TRV designation, potentially specific procedures or weight limits for towing/hauling if applicable to this model's configuration.

Routine Maintenance:

Oil changes, filter replacements, spark plug service, lubrication points, brake checks, tire pressure, battery maintenance.

Diagnostic Procedures:

Troubleshooting guides for common and uncommon issues across all systems, fault code interpretation (if applicable).

Repair And Rebuild:

Step-by-step instructions for disassembling, repairing, and reassembling all major components and sub-assemblies.

Overhaul Procedures:

Detailed instructions for complete engine and transmission overhauls.

Adjustment Procedures:

Carburetor synchronization, valve clearance adjustments, brake lever adjustments, suspension adjustments.

Electrical Troubleshooting:

Fault finding for lighting, starting system, charging system, and accessory circuits using wiring diagrams.

Service Bulletins Recalls:

May include references or information on manufacturer service bulletins and safety recalls relevant to the 2006 model year.

Depth Level:

Extremely high. Covers all aspects from basic maintenance to complete engine and drivetrain rebuilds, including torque specifications, clearances, and diagnostic flowcharts.

📊 Manual Specifications

File Type:

PDF

Searchable:

Typically PDF manuals are text-searchable, allowing for quick retrieval of specific information.

Printability:

Designed to be printable, allowing users to create physical copies for workshop use.

File Quality:

High-resolution scans or native digital files ensuring clarity of text and illustrations.

Binding Type:

N/A (Digital Download PDF)

Paper Type:

N/A (Digital Download PDF)

⚙️ Engine Specifications

Engine Type:

Liquid-cooled, 4-stroke, SOHC V-twin (specific displacement likely around 375-400cc).

Bore X Stroke:

Specifications to be found within the manual, but typical for this class.

Compression Ratio:

Specifications to be found within the manual.

Valvetrain:

SOHC (Single Overhead Camshaft) with 2 valves per cylinder.

Fuel Induction:

Carbureted (likely dual Mikuni or Keihin carburetors).

Horsepower:

Estimated 25-30 HP, specific dyno figures not readily available but within typical range for a 400cc class ATV.

Torque:

Specifications to be found within the manual, crucial for low-end grunt.

Fuel Type:

Unleaded gasoline (minimum octane rating specified in manual).

Fuel Tank Capacity:

Typically around 3.5-4.0 gallons for this class.

🔧 Transmission

Transmission Type:

Automatic CVT (Continuously Variable Transmission).

Gear Selection:

High, Low, Neutral, Reverse, Park (P).

Drive System:

Shaft drive to front and rear differentials.

Engine Braking:

CVT provides excellent engine braking characteristics.

Gearcase Fluid:

Specific SAE viscosity grade and capacity outlined in the manual (e.g., SAE 80W-90 GL-4).

📐 Dimensions

Length:

Likely longer than standard ATVs due to TRV designation, specific measurements in manual.

Width:

Standard ATV width, typically around 46-48 inches.

Height:

Standard ATV height, typically around 46-48 inches.

Wheelbase:

Likely longer than a standard 400cc ATV to accommodate the TRV designation, potentially 50+ inches.

Dry Weight:

Estimated 600-650 lbs, specific dry weight provided in manual.

Ground Clearance:

Typically 8-10 inches, specific measurement in manual.

Front Rack Capacity:

Typically 50-75 lbs.

Rear Rack Capacity:

Typically 100-150 lbs.

Towing Capacity:

Often rated around 1000-1500 lbs for this class, specific rating in manual.

🛡️ Safety Features

Atv Safety Standards:

Compliant with ANSI/SVIA standards for ATVs, as required by US law.

Braking System Type:

Hydraulic disc brakes front and rear.

4Wd System:

Switchable 2WD/4WD with front differential lock for enhanced traction and control.

Engine Braking:

Beneficial for controlled descents.

Lighting:

Dual headlights, taillight, and brake light.

Handguards:

Standard on most Arctic Cat models of this era for lever protection.

Throttle Limiter:

Often includes a thumb throttle with a physical limiter screw for beginners.

💡 Technology Features

Instrument Cluster:

Basic digital or analog display for speedometer, odometer, trip meter, fuel level, and indicator lights (e.g., 4WD engaged, high beam).

Throttle Control:

Thumb-operated throttle for precise control.

4Wd Engagement:

Electronic or manual engagement for 2WD/4WD.

Charging Port:

May include a DC power outlet for charging accessories.

🔧 Maintenance

Engine Oil Change:

Typically every 100 hours or annually, whichever comes first. Manual will specify exact interval.

Gearcase Oil Change:

Typically every 200 hours or annually. Manual will specify exact interval.

Air Filter Cleaning:

As needed, depending on operating conditions. Inspect every 20 hours, clean/replace more frequently in dusty environments.

Spark Plug Service:

Typically every 100 hours or annually.

Brake Fluid Flush:

Recommended every 2 years, or as per manual's guidelines.

Cv Belt Inspection:

Inspect every 50 hours for wear and damage. Replace as needed.

Engine Oil Type:

Likely SAE 10W-40 or 20W-50 motorcycle-specific or ATV engine oil meeting API SG/SH/SJ or higher specifications. Manual is definitive.

Engine Oil Capacity:

Approximately 2.0-2.5 quarts, refer to manual for exact capacity with filter change.

Gearcase Oil Type:

Likely SAE 80W-90 gear oil (API GL-4). Manual is definitive.

Brake Fluid Type:

DOT 3 or DOT 4 hydraulic brake fluid. Manual is definitive.

Coolant Type:

Ethylene glycol-based antifreeze, typically a 50/50 mix with distilled water. Manual is definitive.

Cv Belt Durability:

CVT belts can wear and break if subjected to excessive strain, improper engagement, or if the drive system is not maintained (e.g., incorrect roller weights, worn clutches).

Carburetor Issues:

Carburetors can become clogged or out of adjustment over time, leading to starting problems, rough idling, or poor performance, especially with ethanol fuels.

Electrical Connections:

Corrosion or loose connections in the electrical system can lead to intermittent faults, particularly in humid or wet environments.

Suspension Bushings:

Wear on A-arm bushings can lead to excessive play and affect steering and alignment.

📚 Vehicle History

Manufacturer:

Arctic Cat Inc. (now Textron Off Road, but Arctic Cat brand legacy is strong).

Origin:

Founded in Thief River Falls, Minnesota, USA, with a long history in snowmobiles and expanding into ATVs.

400 Series:

The 400 series represented Arctic Cat's entry and growth in the mid-size utility ATV market, building on previous models.

Trv Development:

The TRV variant was developed to offer enhanced comfort and versatility, including potential for two-up riding, differentiating it from standard models.

Production Period:

Arctic Cat produced its ATV line from the early 2000s through the sale of its ATV division to Textron in 2017.

Manufacturing Location:

Primary manufacturing for Arctic Cat ATVs was in Thief River Falls, Minnesota, USA.

🏆 Awards & Recognition

Atv Performance:

While specific awards for the 2006 400 TRV Twin are not widely publicized, Arctic Cat ATVs of this era were generally well-regarded for their utility and value in the market.

Industry Reviews:

Reviews from the period often highlighted the V-twin engine's smoothness and the TRV's comfortable ride and utility capabilities.