SD 31
The Yanmar SD 31 is a specific model of marine sail drive unit designed for auxiliary propulsion on sailboats. These units integrate the engine and propeller shaft into a compact, steerable leg, offering efficient power transfer and excellent maneuverability. The SD 31 series is recognized for its robust construction, reliable performance, and suitability for a range of vessel sizes, providing boat owners with dependable power for cruising, docking, and emergency situations.
Documentation for the Yanmar SD 31 typically includes detailed owner's manuals, service and repair guides, and parts catalogs. These resources provide essential information on routine maintenance, troubleshooting common issues, and...
$16.99
This manual covers the Yanmar SD20, SD30, and SD31 Sail Drive Units. These units represent robust engineering designed for reliable marine propulsion. Their innovative sail drive design, combining inboard and outboard functionalities, offers efficient power delivery and a clean transom profile, making them a preferred choice for a wide range of sailing vessels.
$16.99
This repair service manual covers the Yanmar SD20, SD30, and SD31 Sail Drive Units. These units represent robust engineering designed for reliable propulsion. While specific production years are not detailed, the manual is intended to support the longevity and optimal performance of these critical marine components.
