The Carbtune II is an innovative mechanical manometer which has the advantages of the mercury Carbtune, easy to read, accurate, simple, reliable, but it has no mercury or liquids, is compact, easily transportable and very robust.
Carbtune II motorcycle carburetor synchronizer will easily and accurately sync the throttles on motorbikes and 4-stroke outboards.

Each Carbtune II kit comes complete with warranty, comprehensive instructions, nitrile hoses, restricters, and 5mm and 6mm adapters to fit virtually any motorcycle.