🏷️ Basic Information Identification Make: Aprilia Model: V990 Engine Product Type: Service and Repair Manual 📋 Manual Details Coverage Areas General Maintenance: Covered Troubleshooting: Covered Engine Service Repair: Covered Transmission Service Repair: Covered Brake System: Covered Wiring Diagrams: Covered Electrical System: Covered Suspension: Covered Periodic Lubrication: Covered Steering: Covered Cooling System: Covered Fuel Injection Fuel System: Covered Emission System: Covered Engine Control System: Covered Chassis Body: Covered Restraint System: Covered Axle: Covered Disassembly Reassembly: Covered Refurbish Renovate Mend Fix: Covered Manual Type Manual Type: Service and Repair Manual Language Language: English Format Format: PDF Software Requirements PDF Reader: Adobe PDF Reader Compression Utility: WinZip Compatibility Operating Systems: Windows & Mac ⚙️ Engine Specifications Primary Engine Engine Model: V990 Engine Type: V-Twin Displacement: 990cc (Actual displacement may vary by specific Aprilia model utilizing this engine) Configuration: Liquid-cooled, 4-stroke Valve Train: DOHC, 4 valves per cylinder Fuel System Fuel Delivery: Fuel Injection 🔧 Transmission Standard Transmission Type: Likely a 6-speed manual (specifics depend on the Aprilia motorcycle model) Features Clutch Type: Likely wet multi-plate (specifics depend on the Aprilia motorcycle model) 🛡️ Safety Features Features Restraint System: Covered (likely referring to rider safety and potentially electronic aids if applicable to specific models) 🔧 Maintenance Service Intervals Service Intervals: Covered in detail within the manual Fluid Specifications Engine Oil Type: Detailed in manual (specific viscosity and API rating depend on model and operating conditions) Coolant Type: Detailed in manual (specific type and mixture ratio depend on model)