🏷️ Basic Information Identification Make: Aprilia Model: MY 660 Model Variant: MY660 Engine Codes Engine Code Reference: MY660 👋 Introduction Market Position Target Audience: Aprilia MY 660 motorcycle owners, independent repair shops, and aspiring mechanics. Competitive Analysis Value Proposition: Provides dealership-level repair information at a fraction of the cost, enabling self-sufficiency in maintenance and repairs. Key Features Instant Access: Immediate digital download eliminates shipping delays, allowing for prompt use. Cost Effectiveness: Print only needed sections to reduce paper usage and cost, or print entire manual for comprehensive reference. Accessibility: Works on both PC and Mac operating systems. 📋 Manual Details Coverage Areas Engine: Complete service and repair for the MY660 engine. General Information: Includes general specifications, safety precautions, and tool usage. Transmission: Service and repair of the transmission system. Chassis: Maintenance and repair related to the chassis. Lighting: Electrical system, including lighting components. Steering: Service and adjustment of the steering system. Seats System: Information pertaining to the seat system. Clutch: Service and repair of the clutch assembly. Suspension: Maintenance and repair of the suspension components. Locks: Information on lock mechanisms and service. Brakes: Service, repair, and troubleshooting of the braking system. Lubrication: Lubrication points, schedules, and fluid specifications. Electrical: Comprehensive electrical system diagnosis and repair. Frame: Information related to frame inspection and repair. Fuel System: Service and troubleshooting of the fuel delivery system. Battery: Battery maintenance, charging, and replacement procedures. Page Count Estimated Pages: Variable (printable sections as needed, full manual download). Manual Type Type: Workshop Service Repair Manual Language Language: English (implied by product description). Format File Format: Adobe Acrobat PDF 📖 Manual Coverage Systems Covered Engine Mechanical: Detailed procedures for engine disassembly, assembly, inspection, and overhaul. Includes cylinder head, pistons, crankshaft, camshaft, valve train, and timing components. Engine Performance: Diagnostics and tuning procedures for optimal engine performance, including air-fuel mixture control and ignition timing. Fuel Injection: Diagnosis and repair of the fuel injection system, including injectors, fuel pump, pressure regulator, and ECU control. Cooling System: Maintenance, repair, and troubleshooting of the engine cooling system, including radiator, thermostat, water pump, and coolant specifications. Exhaust System: Inspection and repair of the exhaust system components. Transmission Internal: Detailed disassembly, inspection, and reassembly of the gearbox, including gear sets, shift forks, and bearings. Clutch Assembly: Service procedures for the clutch, including friction plates, pressure plates, and actuation mechanisms. Suspension Front: Fork disassembly, seal replacement, oil levels, and adjustments. Suspension Rear: Monoshock unit inspection, linkage lubrication, and adjustment procedures. Braking System Front: Brake caliper service, pad replacement, fluid bleeding, and master cylinder inspection. Braking System Rear: Rear brake caliper service, pad replacement, fluid bleeding, and master cylinder inspection. Wheel And Tire: Tire inspection, pressure recommendations, and wheel bearing maintenance. Steering System: Steering head bearing inspection, lubrication, and adjustment. Electrical Charging: Stator, regulator/rectifier, and battery charging system diagnostics. Electrical Ignition: Ignition coil testing, spark plug specifications, and timing adjustments. Electrical Lighting: Headlight, taillight, and indicator bulb replacement and wiring diagrams. Electrical Instruments: Dashboard and instrument cluster diagnostics. Wiring Diagrams: Complete wiring schematics for all electrical systems. Procedures Included Preventative Maintenance: Scheduled maintenance tasks, fluid changes, filter replacements, and inspections. Troubleshooting Guides: Systematic diagnostic procedures for common and uncommon faults. Component Disassembly Assembly: Step-by-step instructions for removing, overhauling, and reinstalling major and minor components. Torque Specifications: Precise torque values for all critical fasteners. Special Tool Usage: Identification and application of specialized tools required for specific procedures. Electrical Troubleshooting: Diagnosis of electrical faults using multimeters and circuit testing. Technical Depth Depth Level: Comprehensive, suitable for dealership-level technicians and advanced DIY enthusiasts. Diagnostic Capability: Advanced diagnostic procedures, including sensor readings, ECU parameters, and fault code interpretation (if applicable to the MY660 model). 📊 Manual Specifications File Format Searchability: Keyword searchable PDF, allowing for quick access to information. Print Quality Resolution: High quality, suitable for printing sections or the entire manual. Binding Type Binding: Digital (PDF) - user can print and bind as desired (e.g., 3-ring binder). Paper Type Paper Recommendation: N/A (digital delivery), user dependent for printing. ⚙️ Engine Specifications Primary Engine Engine Type: Parallel-twin (expected for MY660 platform). Displacement: 659 cc (cubic centimeters) (based on Aprilia 660 platform). Configuration: Forward-inclined parallel-twin cylinder. Bore X Stroke: 81 mm x 63.93 mm (expected for Aprilia 660 platform). Valve Train: DOHC (Double Overhead Camshaft), 4 valves per cylinder. Performance Horsepower: Approximately 100 HP (horsepower) (expected for Aprilia 660 platform, model dependent). Torque: Approximately 67 Nm (Newton-meters) (expected for Aprilia 660 platform, model dependent). Fuel System Fuel Delivery: Electronic Fuel Injection (EFI). Fuel Type: Unleaded gasoline (minimum 95 RON recommended). Cooling System Cooling Method: Liquid-cooled. 🔧 Transmission Standard Gearbox Type: Constant mesh, 6-speed sequential gearbox. Features Clutch Type: Wet, multi-plate clutch with hydraulic actuation (expected). Quickshifter: May be equipped with Aprilia's APRC (Aprilia Performance Ride Control) quickshifter system (check specific model variant). 📐 Dimensions Exterior Wheelbase: Specific to Aprilia MY...