Manual Coverage
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Systems Covered
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Engine Mechanical:
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Complete overhaul, including disassembly, inspection, repair, and reassembly of engine components.
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Fuel System:
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Carburetor tuning, cleaning, and rebuilding; fuel tank maintenance; fuel line inspection.
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Lubrication Cooling:
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Oil change procedures, filter replacement, cooling system flush and fill (if applicable).
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Transmission Drivetrain:
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Gearbox inspection, maintenance, and repair; drive chain adjustment and replacement; sprocket service.
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Steering Suspension:
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Handlebar assembly, steering linkage, front and rear shock absorber service, and adjustment.
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Electrical System:
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Ignition system troubleshooting, battery maintenance, lighting system, starter motor, charging system.
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Braking System:
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Brake lever and pedal adjustment, brake pad inspection and replacement, brake fluid service.
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Bodywork Chassis:
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Fender removal and installation, seat service, frame inspection.
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Intake Exhaust:
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Air filter cleaning and replacement, exhaust pipe inspection.
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Procedures Included
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Routine Maintenance:
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Scheduled servicing, lubrication points, fluid level checks, filter replacements.
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Troubleshooting:
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Diagnostic procedures for common and advanced issues, fault finding charts.
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Engine Repair:
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Top-end rebuild, bottom-end overhaul, valve adjustments.
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Transmission Service:
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Clutch adjustment, gear shift mechanism repair.
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Electrical Diagnostics:
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Wiring diagrams, component testing, troubleshooting ignition and charging faults.
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Technical Depth
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Depth Level:
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Comprehensive workshop level, suitable for both amateur and professional mechanics.
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Engine Specifications
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Primary Engine
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Engine Type:
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4-stroke, Single Cylinder, Air-Cooled
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Displacement:
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280 cc (approximate)
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Bore X Stroke:
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72.0 mm x 68.6 mm (typical for this class)
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Compression Ratio:
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9.2:1 (typical)
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Performance
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Horsepower:
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Approx. 18-20 HP (estimated, actual may vary)
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Torque:
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Not explicitly stated in product info, but crucial for off-road performance.
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Fuel System
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Carburetor Type:
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Mikuni VM32SS or similar constant velocity carburetor
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Fuel Type:
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Unleaded Gasoline
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Lubrication System
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Oil Type:
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API SE, SF or SG classification, SAE 10W-30 or 20W-40 (refer to manual for exact spec)
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Cooling System
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Cooling Method:
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Air-Cooled
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Maintenance
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Service Intervals
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Oil Change Interval:
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Every 1000 km or 12 months (typical, consult manual for precise recommendation).
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Air Filter Cleaning:
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Regularly, especially in dusty conditions.
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Spark Plug Replacement:
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Every 6 months or 3000 km (typical, check manual).
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Fluid Specifications
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Engine Oil Spec:
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API SE, SF or SG; SAE 10W-30 or 20W-40 (confirm in manual)
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Brake Fluid Type:
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DOT 3 or DOT 4 (confirm in manual)
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Known Issues
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Carburetor Fouling:
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Common issue with older ATVs, requiring regular cleaning and adjustment.
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Drive Chain Wear:
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Regular lubrication and adjustment are crucial to prevent premature wear.
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Electrical Connector Corrosion:
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Can lead to intermittent electrical faults, requires inspection and cleaning.
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Suspension Wear:
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Shocks and bushings can wear over time, affecting ride quality and handling.
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