Honda BF10DK3LHS Outboard - 20" Shaft Electric Start 9.9 HP 6A Charging Silver. Overview. The BF10DK3LHS adds electric start convenience to Honda's long-shaft 9.9 HP platform. It's designed for boaters who want smooth, reliable power but prefer the ease of turn-key starting-especially useful when the engine sees frequent use.. This 20" shaft model fits taller transoms and heavier small boats where consistent prop depth matters. Electric start makes cold starts easier and reduces fatigue during long fishing days or repeated docking maneuvers. The 6A charging system helps maintain a small battery used for starting or basic accessories.. Performance remains calm and predictable, which is exactly what many boaters want in the 9.9 HP class. It's an engine that feels composed, easy to control, and comfortable to run at typical cruising speeds.. Key Features. 9.9 HP Honda Four-Stroke - Proven output with excellent efficiency.. Electric Start Convenience - Easy starting for frequent on-off ope