25HP engines use 8 identical valves for both intake and exhaust.On a 30 HP engine, these are used only as exhaust valves and the BBT 1754-1 as inlet valve. We have these valves specially manufactured in Italy.
Type 1, 1300 double inlet - 07/74 Type 1, 1500 single inlet Type 1, 1600 double inlet - 10/74 Type 2, 1500 single inlet Type 2, 1600 double inlet only - 05/73 Type 3, all
Our products are intended for use only in accordance with the specified instructions. Installation should only be carried out by qualified personnel. Products may be supplied without installation instructions.