For clarification
1973 Z1 900
1974 Z1A 900
1975 Z1B 900
1976 Kz900 A4 (the fourth year of the 900 engine)
1977 Kz900 A5 (5th year 900)
1977 A1 started the Kz1000 engine.
There are then the “B” series that are the LTD they started in 1976.
A great parts and diagram (fishe) is Partzilla.com
The following user(s) said Thank You: merf1a
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