Carb Settings and Notes for '77-'78 Kawasaki KZ650

As stated on the ID page, this model is a little too diverse to apply specific ID numbers to specific years and models. So, below are the ID numbers along with settings and a few descriptive differences to determine what you have definitively. As an example, a part number 16001-1022 came as a 1022A and a 1022AX that have different air screw types. A 1022AX has both bottom and side air screws and the 1022A just has the side air screw.

Mikuni Type VM22
Carb ID 272A
Main Jet - 102.5
Idle Jet - 15
Fuel Passage Plug - No
Jet Needle - 5DL31-4
Needle Jet - 258 07
Float Height - 23mm +- 1mm
Air Screw - 1.5 Turn (One air screw on bottom of carb)

Mikuni Type VM24
Carb ID 272 01
Main Jet - 102.5
Idle Jet - 15
Fuel Passage Plug - No
Jet Needle - 5DL31-4
Needle Jet - 258 08
Float Height - 23mm +- 1mm
Air Screw - 1.25 Turns (One air screw on bottom of carb)

Mikuni Type VM24
Carb ID 1020BX
Main Jet - 102.5
Idle Jet - 15
Fuel Passage Plug - No
Jet Needle - 5DL31-4
Needle Jet - 258 08
Float Height - 23mm +- 1mm
Air Screw - Bottom 1.5 Side 1.0 Turns (Two air screws, side and bottom)

Mikuni Type VM24
Carb ID 1020A
Main Jet - 102.5
Idle Jet - 15
Fuel Passage Plug - No
Jet Needle - 5DL31-4
Needle Jet - 258 08
Float Height - 23mm +- 1mm
Air Screw - 1 Turn (One air screw on side of carb)

Mikuni Type VM24
Carb ID 1022AX
Main Jet - 102.5
Idle Jet - 15
Fuel Passage Plug - No
Jet Needle -
Needle Jet - 258 08
Float Height - 23mm +- 1mm
Air Screw - Bottom 1.5 Side 1.0 Turns (Two air screws, side and bottom)

Mikuni Type VM24
Carb ID 1022A
Main Jet - 102.5
Idle Jet - 15
Fuel Passage Plug - No
Jet Needle -
Needle Jet - 258 08
Float Height - 23mm +- 1mm
Air Screw - 1 Turn (One air screw on side of carb)

Mikuni Type VM22
Carb ID 1026
Main Jet -
Idle Jet - 15
Fuel Passage Plug - No
Jet Needle - 5CL10-3
Needle Jet - 258 07
Float Height - 23mm +- 1mm
Air Screw - Bottom 1.5 Side 1.0 Turns (Two air screws, side and bottom)

Mikuni Type VM24
Carb ID 1069
Main Jet -
Idle Jet - 15
Fuel Passage Plug - No
Jet Needle - 5CN15-4
Needle Jet - 258 04
Float Height - 23mm +- 1mm
Air Screw - Turn