2001; 2001B; 2001AG; 2001BG; 2002; 2002B; 2002D; 2002AG; 2002BG; 2003; 2003B; 2003D; 2003AG; 2003BG; 2003T; 2003TB; 2003 SOLAS; 2003B SOLAS; 2003T Transmissions Sail Boat Drive Unit 120SB 2001, 2002, 2003 Parts on group Sail Boat Drive Unit 120SB: Pos. Part No Qty Parts name Comments 1. 852570 [1] Drive 1. Repl by 853958 2. 852720 [1] Upper gear 3. 852700 [1] Lower gear, lower gear unit 3. Repl by 853657 3. 876391 [1] Gasket kit (875720) see group 10A Parts catalog : Reverse Gear MS2V: B 2001, 2001B, 2002, 2002B, 2003, 2003B, 2003T, 2003TB Reverse Gear MS2V: A 2001, 2001B, 2002, 2002B, 2003, 2003B, 2003T, 2003TB Reverse Gear MS2B-L: 872831 2001, 2001B, 2001AG, 2001BG, 2002, 2002B, 2002D, 2002AG, 2002BG, 2003, 2003B, 2003D, 2003AG, 2003BG, 2003T, 2003TB, 2003 SOLAS, 2003B SOLAS, 2003TB SO Reverse Gear MS2B-L: 853798 2001, 2001B, 2001AG, 2001BG, 2002, 2002B, 2002D, 2002AG, 2002BG, 2003, 2003B, 2003D, 2003AG, 2003BG, 2003T, 2003TB, 2003 SOLAS, 2003B SOLAS, 2003TB SO Reverse Gear MS2B-R: D 2001, 2001B, 2001AG, 2001BG, 2002, 2002B, 2002D, 2002AG, 2002BG, 2003, 2003B, 2003D, 2003AG, 2003BG, 2003T, 2003TB, 2003 SOLAS, 2003B SOLAS, 2003TB SO Reverse Gear MS2B-R: C 2001, 2001B, 2001AG, 2001BG, 2002, 2002B, 2002D, 2002AG, 2002BG, 2003, 2003B, 2003D, 2003AG, 2003BG, 2003T, 2003TB, 2003 SOLAS, 2003B SOLAS, 2003TB SO Sail Boat Drive Unit S120C: A 2001 Sail Boat Drive Unit S120C: B 2002 Sail Boat Drive Unit S120C: C 2003 Sail Boat Drive Unit S120C: D 2003T Sail Boat Drive Unit S120C: A 2001B Sail Boat Drive Unit S120C: D 2002B