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Manual Coverage
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Systems Covered
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Engine Mechanical:
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V-Twin Engine Assembly, Valve Train, Piston/Connecting Rods, Crankshaft, Cooling System, Lubrication System.
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Engine Management:
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Fuel Injection System (EFI), Ignition System, ECU Diagnostics, Sensor Data, Emissions Control.
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Transmission:
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Gearbox Assembly, Clutch System (Hydraulic), Gear Shifting Mechanism, Lubrication.
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Chassis Frame:
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Frame Inspection, Swingarm, Rear Suspension (Monoshock), Linkages, Pivot Points.
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Front Suspension Steering:
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Front Forks (Öhlins/Showa depending on variant), Triple Clamps, Steering Head Bearings, Steering Stops.
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Brakes:
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Front & Rear Hydraulic Brake Systems, Caliper Overhaul, Master Cylinders, Brake Lines, ABS System (if equipped).
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Electrical System:
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Wiring Diagrams, Battery, Charging System (Alternator/Regulator), Starter Motor, Lighting (Headlight, Taillight, Indicators), Fuses, Relays, ECU Connections.
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Fuel System:
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Fuel Tank, Fuel Pump, Fuel Filter, Injector Servicing, Fuel Pressure Regulation.
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Exhaust System:
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Exhaust Headers, Catalytic Converter (if applicable), Silencer/Muffler, Lambda Sensors.
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Bodywork Fairings:
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Fairing Removal/Installation, Seat, Fuel Tank Cover, Fender Components.
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Procedures Included
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Routine Maintenance:
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Oil & Filter Changes, Air Filter Replacement, Spark Plug Service, Chain Adjustment & Lubrication, Brake Pad Inspection/Replacement, Coolant Flush.
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Major Repairs:
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Engine Rebuild (Top & Bottom End), Transmission Overhaul, Clutch Replacement, Fork Seal Replacement, Shock Absorber Rebuild.
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Diagnostics Troubleshooting:
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Fault Code Interpretation, Electrical System Diagnosis, Mechanical Troubleshooting Guides.
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Suspension Adjustment:
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Front fork damping and preload adjustment, Rear shock preload and rebound adjustment.
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Torque Specifications:
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Detailed torque values for all critical fasteners across all systems.
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Special Tools:
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Identification and usage of Aprilia-specific or recommended tools.
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Technical Depth
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Diagnostic Capability:
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Advanced diagnostics covering electronic control units (ECU), sensors, and actuators.
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Rebuild Level:
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Complete engine and transmission teardown, inspection, and reassembly procedures.
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Electrical Schematics:
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Detailed, high-resolution wiring diagrams for all model variations.
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Engine Specifications
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Primary Engine
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Engine Type:
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Liquid-cooled, Four-stroke, 4-valve per cylinder, DOHC V-Twin
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Displacement:
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998 cc (approx.)
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Bore X Stroke:
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98 x 66 mm (typical)
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Compression Ratio:
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10.8:1 (typical)
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Performance
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Horsepower:
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130-139 HP @ 9,000-9,500 RPM (model dependent)
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Torque:
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94-101 Nm @ 7,500-8,000 RPM (model dependent)
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Fuel System
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Fuel Delivery:
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Electronic Fuel Injection (EFI) with dual injectors per cylinder.
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Fuel Type:
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Unleaded Gasoline (95 RON recommended)
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Lubrication
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Oil Type:
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Fully Synthetic Motorcycle Oil, SAE 10W-40 or 15W-50 (API SG or higher, JASO MA)
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Cooling System
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Coolant Type:
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Ethylene Glycol based, 50/50 mix with distilled water.
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Maintenance
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Service Intervals
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Oil Filter Change:
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Every 7,500 km or 12 months.
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Spark Plugs:
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Inspect every 7,500 km, replace every 15,000 km.
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Valve Clearance:
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Inspect every 15,000 km.
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Coolant Replacement:
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Every 24,000 km or 24 months.
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Fluid Specifications
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Brake Fluid:
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DOT 4 (or DOT 5.1 for higher performance applications).
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Clutch Fluid:
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DOT 4.
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Known Issues
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Electrical Connections:
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Corrosion at connectors, particularly in the regulator/rectifier area, can lead to charging issues.
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Fuel Pump Reliability:
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Occasional reports of fuel pump failure or reduced performance.
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Cam Chain Tensioner:
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Automatic cam chain tensioners can fail, leading to noise or engine damage if not addressed.
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Regulator Rectifier:
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Early models were prone to regulator/rectifier failure, often leading to battery discharge. Upgraded units are available.
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