Segment:
High-performance Utility ATV
Target Audience:
Off-road enthusiasts, hunters, farmers, recreational riders requiring a robust and capable ATV.
Competitors:
Polaris Sportsman, Can-Am Outlander, Arctic Cat Prowler, Honda Foreman/Rancher.
Vehicle Usp:
Powerful engine, true 4WD with front differential lock, independent suspension, comfortable ride, excellent towing and hauling capacity.
Engine:
Complete engine overhaul, diagnosis, tuning, lubrication system, cooling system, fuel system (carburetor/EFI), ignition system, exhaust system.
Transmission:
Clutch operation, gearbox disassembly and assembly, drive shafts, final drive, gear ratios, lubrication, maintenance.
Drivetrain:
CVT system, drive belts, primary drive, secondary drive, front differential, rear differential, axle components, hub bearings.
Chassis And Frame:
Frame inspection and repair, suspension system (front and rear shocks, A-arms, bushings), steering system (tie rods, steering shaft, knuckles), swingarm, wheel bearings.
Brakes:
Hydraulic brake system, brake lines, master cylinders, calipers, brake pads, brake discs, parking brake, bleeding procedures, adjustments.
Electrical System:
Wiring diagrams, battery, charging system (stator, regulator/rectifier), starter motor, ignition coil, lighting system (headlights, taillights, indicators), instrumentation, fuses, relays, sensors.
Fuel System:
Fuel tank, fuel pump, fuel filter, fuel lines, fuel injection system (EFI models: injectors, throttle body, ECU) or carburetor (non-EFI models: carburetor overhaul, jetting).
Cooling System:
Radiator, coolant, coolant hoses, water pump, cooling fan, thermostat, flush and fill procedures.
Bodywork And Trim:
Body panel removal and installation, fenders, racks, seat, plastics, graphics.
Routine Maintenance:
Oil changes, filter replacements, chain adjustment, lubrication points, valve clearance checks, spark plug replacement, air filter cleaning/replacement.
Troubleshooting:
Diagnostic charts for common problems, identifying symptoms, testing components, electrical system diagnosis, engine performance issues.
Repair And Rebuild:
Step-by-step instructions for component disassembly, inspection, repair, and reassembly for all major systems.
Technical Specifications And Data:
Torque specifications, clearance measurements, fluid capacities, electrical resistance values, compression test procedures.
Wiring Diagrams:
Detailed, color-coded wiring schematics for easy electrical system diagnosis and repair.
Special Tools:
Identification and usage of specialized tools required for specific repair procedures.
Depth:
Comprehensive from basic maintenance and diagnostics to complete engine and transmission rebuilds.
Engine Type:
4-stroke, DOHC, 4-valve, Liquid-cooled, Single-cylinder
Bore X Stroke:
102.0 mm x 84.0 mm
Ignition:
Digital TCI (Transistor Controlled Ignition)
Horsepower Estimate:
Approx. 50 hp @ 6000 rpm (varies by model year and configuration)
Torque Estimate:
Approx. 45 lb-ft @ 5500 rpm (varies by model year and configuration)
Fuel Delivery:
Fuel Injection (FI) for most models in this range. Some early 2006 might have carburetor options, but FI became standard.
Fuel Type:
Unleaded gasoline, 87 octane or higher recommended.
Oil Type:
Yamalube 4 (or equivalent) SAE 10W-40 API SG or higher, JASO MA certified.
Oil Capacity W Filter:
Approx. 2.55 L (2.7 US qt / 2.2 Imp qt)
Coolant Type:
High-quality ethylene glycol-based antifreeze with sealant, mixed 50/50 with distilled water.
Engine Oil Change:
Every 1,000 km (600 miles) or 6 months, whichever comes first. Also check frequently during heavy use.
Air Filter Cleaning:
Every 500 km (300 miles) or 3 months. Clean more frequently in dusty conditions.
Spark Plug Inspection:
Every 1,000 km (600 miles) or 6 months.
Valve Clearance Check:
Initial check at 1,000 km (600 miles), then every 4,000 km (2,500 miles) or 2 years.
Cvtf Fluid Change:
Every 2,000 km (1,200 miles) or 12 months.
Engine Oil Spec:
Yamalube 4 (or equivalent) SAE 10W-40 API SG or higher, JASO MA certified.
Brake Fluid Spec:
DOT 3 or DOT 4 hydraulic brake fluid.
Coolant Spec:
50/50 mix of high-quality ethylene glycol-based antifreeze and distilled water.
Common Problems:
CVT belt wear, occasional starter motor issues, potential for radiator fan failure under extreme conditions, wheel bearing wear with aggressive use. The manual addresses diagnosis and repair for these.