Mikuni Carburetor Settings
for Kawasaki Motorcycles
|
28mm VM28SC |
Z1 & early Z1-A |
Main Jet |
112.5 |
Air Jet |
1.0 |
Needle Jet |
P-8 |
Jet Needle |
5J9-3 - last number
is the clip position where 1 is at the top of the needle (leanest) and 5 is at the bottom
(richest) |
Throttle valve (slide) |
2.5mm cutaway |
Pilot Jet
|
20.0 |
Air Screw setting |
1 1/2 turns out |
|
|
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 |
|
|
26mm (VM26SS) |
KZ900A4 / A5 |
Main Jet |
115 |
Air Jet |
1.0 |
Needle Jet |
O-6 |
Jet Needle |
5DL31-3 (last number
is the clip position) |
Throttle valve (slide) |
1.5mm cutaway |
Pilot Jet
|
17.5 |
Air Screw setting |
1 3/8 turns out |
|
|
29mm
smoothbore |
Z1
/ KZ900 / KZ1000 |
Main Jet |
120 |
Air Jet |
0.9 |
Needle Jet |
O-6 |
Jet Needle |
5DL31-3 |
Throttle valve (slide) |
1.5mm cutaway |
Pilot Jet
|
17.5 or 20.0 (or
25 in the later versions) |
Air Screw setting |
1 1/2 turns out |
|
|
29mm
smoothbore |
CB750 |
Main Jet |
115 |
Air Jet |
0.9 |
Needle Jet |
O-6 |
Jet Needle |
5DL31-3 (last number
is the clip position) |
Throttle valve (slide) |
1.5mm cutaway |
Pilot Jet
|
17.5 or 20.0 (or
25 in the later versions) |
Air Screw setting |
1 1/2 turns out |
|
|
29mm
smoothbore |
KZ650 |
Main Jet |
105 |
Air Jet |
0.9 |
Needle Jet |
O-4 |
Jet Needle |
5DL31-3 |
Throttle valve (slide) |
1.5mm cutaway |
Pilot Jet
|
15 |
Air Screw setting |
1 1/2 turns out |
|