I have this KF Carb,its not to great shape,has the small fuel pump on the side ect. I want to find another carb,a better on. I messures 6cm, that would be 60mm, but that cant be right...do i messure from the inside or across? Never had to size just always compared.thats one inch that means 25.4mm but where do i find a 25.4mm carb? and its 1.5in from center to center on the holes thats 38mm ...anyways help and what would fit. its a 150cc honda

 

ne one?