🏷️ Basic Information Identification Make: Sea-Doo Model: 150 Speedster Year: 2009 Generation: First Generation 📋 Manual Details Information Manual Type: Repair Manual Language: English Page Count: Hundreds Format: PDF Download ⚙️ Engine Specifications Engine Engine Type: Rotax 4-TEC Engine Configuration: Inline 3-Cylinder Displacement: 1494 cc Bore: 100 mm Stroke: 79.2 mm Supercharger Type: Supercharged Intercooler: Yes Fuel Type: Unleaded Gasoline Ignition System: Electronic Ignition 🔧 Transmission Drive Type: Jet Drive Drive Shaft: Direct Drive 📐 Dimensions Hull Length: 18 ft 3 in (5.56 m) Width: 7 ft 7 in (2.31 m) Height: 4 ft 4 in (1.32 m) Dry Weight: Approximately 1800 lbs (816 kg) 🔧 Maintenance Routine Recommended Fuel Octane: 91 Octane Engine Oil Type: Synthetic 4-TEC Oil Engine Oil Capacity: Approximately 4.0 L (4.2 US qt) Coolant Type: Proprietary Coolant Spark Plug Type: NGK CR9EIB-9 Battery Type: Group U1 📄 Performance Speed Top Speed: Estimated 50+ mph (80+ km/h) 📄 Fuel System Induction Fuel Delivery: Electronic Fuel Injection (EFI) 📄 Cooling System Cooling Cooling Method: Closed-loop cooling system with heat exchanger 📄 Electrical System Ignition Ignition Timing: Electronically Controlled