Seadoo Carburetor Mikuni SBN-I revision set Series (excluding needle and nozzle) 1 set per carburetor. Do you have a double carburetor then you need 2 sets of these. 1997 SeaDoo GSX Limited 1998-1998 SeaDoo GTX 1998 SeaDoo GSX-SeDoo L XP LTD 1999 SeaDoo GSX-L 1999 SeaDoo GTX 1999 SeaDoo XP LTD 1999 SeaDoo VSP-L 2000 SeaDoo GTX 2000 SeaDoo LRV 2000 SeaDoo...