Big Al said:You can make them work but you'll be playing around with jetting for a while i went one size bigger on the main jets and that helped another size again would bring it close .The problem is the venturi size is so big that there's not enough flow from that small engine to create enough vacuum to make to suck gas out of the main jet therefore the need to increase jetting.
With patience and perseverance i'm sure i could've made them work but i have better things to do with my time "Like riding"
DC74inc said:what would need to be changed in order to get a good run out of a mikuni 32 on a 350-400cc?