Check out the KZ650 historic race bike thread in the racing section to get you started..... maybe a search too. His jetting is probably closer to what you need than mine with maybe 110 or 112.5 mains. Think about a comp baffle for your pipe might run better with it.
1978 KZ650 b-2
700cc Wiseco kit 10 to 1.
1980 KZ750 cam, ape springs, stock clutch/ Barnett springs.
Vance and Hines Header w/ comp baffle and Ape pods, Dyna S and green coils, copper wires.
29MM smooth bores W/ 17.5 pilots, 0-6s and 117.5 main
16/42 gearing X ring chain and alum rear JT sprocket.
