Description Check that the mounting centres are 60mm. There is an alternative that is 48mm. There are two versions on offer. Check the dimensions on the picture above. Type A - fits Keihin OKO KOSO PWK 21/24/26/28/30mm Mikuni VM24 TM28 Type B - fits Keihin OKO KOSO PWK 32/34mm Mikuni TM32/34 May fit other carburetors.