Check the FSM, on the home page of this site. Otherwise, do an Internet search on the topic, or better yet, search for the "1983 CB750SC Nighthawk Factory Service Manual". Sorry I can't help you more on this. I would also suggest investing in a Haynes manual for your bike (
link). They're invaluable, even if you have the FSM, IMO. Cheers!
1979 CB750K (sold, 2012, but not forgotten)
1983 Kawasaki 440 LTD Belt Drive (sold, 2011)
1993 Kawasaki Voyager XII