Example
Dual PHH40s on 78.5 mm bore A14 with ported H89 head with 38x29 ports and 45mm inlet manifold.
NOTE: It ran too rich
Carburetors: Twin Mikuni PHH 40 Venturis: 32 mm See Carburetor Sizing pilot jets: 575 main air jets: 180 main bleed pipes: T main jets: 140 starter jets: 130 pump nozzles: 40