MD6; MD6A; MD6B; MD7; MD7A; MD7B Transmissions Sail Boat Drive Unit 110S, 120S: 120S Parts on group Sail Boat Drive Unit 110S, 120S: 120S: Pos. Part No Qty Parts name Comments 1. 852535 [1] Drive Ratio2,2:1 (851645) 2. 852536 [1] Upper gear 3. 852487 [1] Lower gear 3. 875720 [1] Gasket kit See group 10A Parts catalog : Sail Boat Drive Unit 110S, 120S: B Sail Boat Drive Unit 110S, 120S: A Lower Gear Unit Sail Boat Drive Unit 120S Upper Gear Unit Sail Boat Drive Unit 120S Lower Gear Unit Sail Boat Drive Unit 110S Lower Gear Unit Sail Boat Drive Unit 110S Coupling Flange: 806384 Coupling Flange: 827637 Coupling Flange: 827924 Coupling Flange: 827926 Coupling Flange: 827927 Coupling Flange: 827958