'77-'79 KZ400-KZ440 Twins with Diaphragm Slides KeiHin 32mm Carbs
This is the second generation of the KZ400 twin KeiHin carbs that use a modern rubber diaphragm slide unlike the all metal slides on the first gens. They are very diverse and have a lot of chances to make mistakes. You have to take great care in identifying the carb before any parts are attained. All the years listed will interchange physically so it is common to see the wrong set installed. Although I always recommend installing the proper set, as long as you match the parts to the ID on the set you are typically fine.
Below is a set of '77 KZ400B3 KeiHin V54B carbs. This includes replicating mistakes made years ago before the current rebuild.
'77 KZ400D4 Deluxe
'77 KZ400S3 Special
'77 KZ400A2 Std (A1 See
metal slide version '77)
'78
KZ400B1------------------------------------------------------------V54B
'78
KZ400C1------------------------------------------------------------V54B
'79
KZ400B2------------------------------------------------------------V54B
'79 KZ400H1 LTD (Chain Drive)----------------------------------V60A
