42mm is the outside diameter of your carburettor intake. Overall length including rubber collar: 85mm. Outside diameter of rubber collar: 55...
42mm is the outside diameter of your carburettor intake. Overall length including rubber 53mm.
42mm - 43mm is the outside diameter of your carburettor intake. 83mm length. Filter length 67mm. Large OD 76mm. Small OD 51mm.
