MB10A Transmissions Coupling Flange: 827637 Parts on group Coupling Flange: 827637: Pos. Part No Qty Parts name Comments 1. 827637 [1] Clutch half 2. 907570 [1] Taper pin 4. 959236 [4] Hex. socket screw 5. 941908 [4] Spring washer Parts catalog : Coupling Flange: 806384 Reverse Gear: 834360 Reverse Gear: 834210 Reverse Gear: 833864 Reverse Gear: 834035 Lower Gear Unit Sail Boat Drive Unit 100S Coupling Flange: 827638 Coupling Flange: 827924 Coupling Flange: 827926 Coupling Flange: 827927 Coupling Flange: 827958 Coupling Flange: 827960