Hello. I.was.needing to know what I would have to change out to mount a 22 hp kohler command on my super Z to replace the burnt up Kohler 27 hp Koehler command pro. I'm thinking just the pulley on the crankshaft because of the stepping down from a 1.125" down to a 1". The only reason I'm stepping down.to a 22 hp is because to save money because I just happen to already have it brand new still in the box ready to go.