Selva St. Tropez 60: Compact Inboard Power for Recreational Marine Propulsion The Selva St. Tropez 60 is a gasoline-powered inboard marine engine engineered by Selva, a specialist in compact propulsion solutions, to deliver dependable performance for boat propulsion in recreational and light-duty applications. Mounted securely within the hull, this engine optimizes space utilization while minimizing hydrodynamic drag, making it a versatile choice for vessels prioritizing efficiency and stability. Key technical specifications underscore its robust design: it produces 60 horsepower (44 kW) of crankshaft power from a 831 cm³ (0.83 L) displacement, driven by a smooth 3-cylinder configuration. Weighing just 104 kg (229 lbs), the engine achieves a favorable power-to-weight ratio, with a maximum operating speed of 5,000 RPM. It relies on a standard gasoline fuel system, compatible with conventional marine carburetion or injection setups, and features no specified reduction gear for direct drive simplicity. In marine environments, the St. Tropez 60 excels with its inboard mounting, which enhances vessel trim and reduces exposure to saltwater corrosion compared to outboard alternatives. The 3-cylinder layout minimizes vibration and noise, promoting passenger comfort during extended cruises and reducing fatigue on engine mounts. Its lightweight construction improves overall boat handling and fuel economy, while the gasoline architecture ensures straightforward integration with existing marine fuel infrastructure, including easy access to filters and ignition components for routine servicing. Performance-wise, the engine’s high-RPM capability enables rapid acceleration and efficient planing, ideal for achieving top speeds in sporty conditions without excessive fuel consumption. This balance of power and refinement suits dynamic on-water experiences, from leisurely outings to spirited runs. Best suited for small to mid-sized vessels—such as 30–40 ft cruisers, motor yachts, runabouts, or fishing boats—the Selva St. Tropez 60 offers reliable, space-efficient propulsion that aligns with the demands of recreational boating. With proper maintenance of its cooling and lubrication systems, it promises enduring performance in coastal or inland waters, embodying Selva’s commitment to compact, high-value marine engineering. (Word count: 278)