Question about 1990 kawasaki ZXR 750

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What is the air fuel mixture srew setting for a 1987 ZX750R ninja

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Generally there is no specific setting, however nearly all carby's default setting is one and a half turns out. Whatever "air" you are running the bike in will determine optimum setting for this. Altitude, humidity, fuel type, sparkplug range all play a small part in this. Trial and incremental settings is the only way without diagnostic bench testing equipment. Cheers.

Posted on Apr 23, 2010

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Posted on Jan 02, 2017

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Having fuel issues with my 1999 zx9r, i have already cleaned entire fuel system, bike will crank if i put my hands over air intake on carb, any suggestions?


Hi, Michael # 9 and 10 are jumping up and down waving a red flag and yelling "PICK ME" otherwise the usual suspects are:
1. Fuel cap or fuel tank is not venting properly.
2. Fuel filter clogged.
3. Fuel line pinched or kinked.
4. Float needle and seat sticking.
5. Float level too low.
6. Carburetor bowl vent line clogged/blocked/pinched.
7. Idle adjusting screw set too low.
8. Air/fuel mixture screw set too lean.
9. Idle port, transfer ports, slow air jet clogged.
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11. Faulty fuel pump.
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Dec 07, 2016 | 2000 kawasaki ZX-9 R Ninja

1 Answer

On my 2003 ninja 250 the only way it starts most of the time is full choke, after the bike is warm I lower the choke and it does....the I have to let it set for a few minutes to restart it,


Hi, Pirate and the usual suspects are:

1. Fuel cap or fuel tank is not venting properly.

2. Fuel filter clogged.

3. Fuel line pinched or kinked.

4. Float needle and seat sticking.

5. Float level too low.

6. Carburetor bowl vent line clogged/blocked/pinched.

7. Idle adjusting screw set too low.

8. Air/fuel mixture screw set too lean.

9. Idle port, transfer ports, slow air jet clogged.

10. Slow fuel jet clogged.

For more information about your issue and valuable free downloads that you will need please visit the websites below. Good luck and have a nice day.

05 250 only runs with choke fully engaged

Ninja 250r Wont Rev or run without choke ninjette org

http://mototh.com/files/kawasaki/Ninja_250R/Kawasaki_Ninja_250R_FI-English.pdf

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Mar 01, 2016 | Motorcycles

1 Answer

What are 750 zl mixture settings 1988 model


That all depends on the jets and air fuel mixture screw settings

Jun 08, 2014 | 1987 kawasaki ZL 1000 A1 Eliminator

1 Answer

KAW NINJA 93 XZ600C WANT AIR FUEL MIXTURE SETTING FOR FACTORY I RESET TO 3.25 BIKE DOESNT WANT TO SART


If it has been sat for 2 years the fuel will have broken down so a full system flush with new clean fuel is a good 1st step.

If you have checked the carbs was there any sludge build up in the float chambers. If so I would dismantle and carefully clean with new fuel.

Make sure the tank is emptied and has not rusted. When you know you have clean new fuel. Try starting again.

When you get it running you need to use either a pair or easier 4 vacuum gauges to recalibrate the carbs.

This is fairly straightforward and a cheap set can be bought for as little as 8 pounds try Amazon. Obviously more expensive = better quality but if you are careful with them even a cheap set can be quite reliable.

Tip - Check each gauge against cylinder 1 for reading then you know if they are reading the same. Some are adjustable or just mark and set all to cylinder 1.

2.5 - 3.5 turns out sounds about right as a start point as you said.

Good luck

Mar 19, 2014 | 2009 kawasaki Ninja ZX10R

1 Answer

Mixture srew setting dt 125


Hi, Anonymous for this scenario you will need your service/owners manual if you can't find the first and best tool you ever bought for your Yamaha, despair not, for a mere $0 you can download another one. For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
https://yamahaclub.com/forums/topic/32738-dtr-125-help-again-please
Idle mixture adjustment air or fuel screw adjustment
http://www.motogelnar.cz/manual/YAMAHA/DT125X_RE-05-Service_Manual.pdf
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Jan 07, 2012 | 2000 Yamaha DT 125 R

1 Answer

I have a 1987 gmc jimmy with a 5.7 litre fuel injection and it seems to be lack air or has to much i dnt know . and i want to know how to adjust my fuel air mixture


Unfortunately, most fuel injection engines don't have an adjustable fuel/air mixture by the technician.

The fuel/air mixture is controlled by a computer.

Jul 03, 2010 | 1987 GMC Jimmy

2 Answers

Air fuel mixture problem


if your plugs are black, the bike is too rich. lean out your mixture screw a little at a time until it seems riight. hard for me to tell you exactly when it's set without me seeing or feeling it myself.

Apr 20, 2010 | 1998 kawasaki ZX-6R Ninja

1 Answer

1987 jeep wrangler has a nutter bypass and runs rich


did you check the air filter? if the air filter is dirty, the mixture is automatic richer than normal. the ratio between air/fuel is changed.
try this ant let us know.

Apr 12, 2010 | 1987 Jeep Wrangler

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