🏷️ Basic Information Identification Make: Volvo Penta Model: 280, 285, 290 B & C Drives Generation: Early to Mid-Generation Sterndrives Covered Models Model List: AQ 280, AQ 280-DP, AQ 285, AQ 290, AQ 290-DP, SP-A, SP-C, DP-A, DP-B, DP-C Application Product Category: Marine Sterndrive 📋 Manual Details Document Information Manual Type: Workshop Manual / Service Repair Manual Language: English Format: PDF Download Content Repair Procedures: Detailed step-by-step repair instructions Troubleshooting Guides: Diagnostic charts and solutions Schematics Diagrams: Electrical and mechanical diagrams ⚙️ Engine Specifications General Engine Type: Sterndrive (Marine Application) Drive Configuration: Inboard/Outboard (Sterndrive) Cooling Cooling System: Raw Water or Freshwater Cooled (engine dependent) Performance Power Output Range: Variable (dependent on coupled engine) 🔧 Transmission Drive System Type: Sterndrive (Gearbox and Propeller Assembly) Gear Reduction: Variable (depending on propeller and application) Drive Features Trim System: Power Trim and Tilt Steering System: Cable or Hydraulic Steering (depending on setup) 📐 Dimensions Drive Unit Weight: N/A (drive unit only, weight varies based on specific model and construction) 🔧 Maintenance Lubrication Gear Oil Type: Volvo Penta Marine Gear Oil (GL-4 or GL-5 specification) Gear Oil Capacity: Refer to specific drive model in manual Routine Checks Water Pump Impeller Replacement Interval: Annual or as per operating conditions Drive Fluid Level Check: Before each use Corrosion Protection Anodes Replacement: As needed based on inspection