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Carburetor
Settings |
Tuning Tips
KZ900 Factory Tune Up Specs
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KZ900 Parts Manual
Classic Kawasaki Carburetors Settings |
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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 |
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|
|
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 smoothbores |
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 smoothbores |
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 smoothbores |
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 |
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