Engine Mechanical:
Complete engine overhaul, cylinder head, cylinder block, pistons, rings, crankshaft, camshaft, timing components, valve train
Engine Control System Mechanical:
Carburetion (if applicable), fuel delivery, ignition system components
Engine Coolant System:
Radiator, cooling fan system, water pump, thermostat, coolant types and capacities
Emission Control Systems:
Components related to emissions compliance, exhaust system
Drive Shaft And Driveline:
Front and rear drive shafts, U-joints, CV joints, differential case assembly, axle shafts
Drive Belt And Clutch System:
Drive belt inspection, replacement, clutch unit (primary and secondary), clutch start switch, clutch release cylinder (if applicable)
Cooling System Components:
Cooling fan system, radiator, hoses, coolant, coolant capacities
Electrical System:
Battery, charging system, starter, lighting, ignition system, wiring diagrams, fuses, relays
Suspension And Steering:
Front and rear suspension components, shock absorbers, steering system, tie rods, ball joints
Braking System:
Brake calipers, master cylinders, brake lines, brake pads, brake fluid specifications
Frame And Bodywork:
Chassis, plastics, body panels, seats, racks
Combination Meter And Gauges:
Instrument cluster, warning lights, sensor inputs
Maintenance Procedures:
Scheduled maintenance, oil changes, filter replacements, lubrication, drive belt checks, tire pressure
Troubleshooting:
Diagnostic charts, common problem identification and resolution
Repair Procedures:
Step-by-step instructions for disassembly, assembly, and component replacement
Engine Rebuild:
Complete engine disassembly and reassembly, including machining specifications
Transmission Service:
Automatic transmission service, clutch adjustments and replacements
Electrical Diagnostics:
Wiring diagram interpretation, component testing, fault finding
Suspension And Steering Alignment:
Alignment procedures, component adjustments
Brake System Overhaul:
Brake bleeding, caliper rebuilding, pad replacement
Depth:
Comprehensive (from basic maintenance to full engine and transmission rebuilds)
Diagnostic Capabilities:
Advanced diagnostic procedures, troubleshooting flowcharts
Specifications And Tolerances:
Detailed torque specifications, clearances, and wear limits
Engine Type 400:
4-stroke, SOHC, 1-cylinder
Engine Type 500:
4-stroke, SOHC, 1-cylinder
Displacement 400:
Approximately 375cc - 400cc (specific figures vary by sub-model/variant)
Displacement 500:
Approximately 499cc - 500cc (specific figures vary by sub-model/variant)
Cooling System:
Liquid-cooled
Horsepower Estimate 400:
Typically in the 25-30 HP range
Horsepower Estimate 500:
Typically in the 30-35 HP range
Torque Estimate 400:
Approximately 25-30 lb-ft
Torque Estimate 500:
Approximately 30-35 lb-ft
Fuel Delivery:
Carbureted (likely Mikuni or Keihin, specific model dependent)
Fuel Type:
Unleaded gasoline (minimum 87 octane recommended)
Oil Type:
SAE 20W-50 API SG or higher (refer to manual for exact specifications)
Oil Capacity:
Approximately 1.5 - 2.0 quarts (refer to manual for exact specification)
Engine Oil Change:
Every 100 hours or 6 months, whichever comes first (refer to manual for precise interval)
Air Filter Cleaning Inspection:
Every 25 hours or as needed based on operating conditions (refer to manual)
Spark Plug Inspection Replacement:
Every 100 hours or annually (refer to manual for correct plug type and gap)
Drive Belt Inspection:
Every 50 hours, replace as needed (critical component for PVT)
Coolant Flush:
Every 2 years or 200 hours (refer to manual)
Brake Fluid Type:
DOT 3 or DOT 4 brake fluid (refer to manual)
Coolant Type:
Ethylene glycol based antifreeze with corrosion inhibitors (refer to manual for specific type and mixture)
Pvttemp Sensor:
Some early PVT systems could be sensitive to heat or have sensor issues leading to limp-home mode.
Carburetor Cleaning:
Carburetors can require periodic cleaning and adjustment, especially if fuel quality is poor or if the ATV sits for extended periods.
Cv Joint Boots:
CV joint boots can wear or tear, requiring replacement to prevent damage to the joints.
Battery Maintenance:
Regular battery charging and terminal cleaning is important for reliable starting.