Bama704 wrote: I have a Hynes manual, it is for my 77 KZ900 but it doesn't cover the 1975 Z1 Carbs that I just found out I had. The page didn't load if you were trying to upload it from Clymer manual.
For comparison of the info at Z1 Enterprises,
click here >
www.z1enterprises.com/Z1CarbGuide.aspx
and scroll down to the chart.
28mm (VM28SC) Late Z1-A & all Z1-B
Main Jet 112.5
Air Jet 1.0
Needle Jet O-8
Jet Needle 5J9-2 (last number is the clip position)
Throttle valve (slide) 1.5mm cutaway
Pilot Jet 17.5
Air Screw setting 1 1/4 turns out
Good Fortune!