Question about 1990 kawasaki ZZR 1100

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Idle speed adjuster fell

I carnt see where it goes back onto zzr 1100 1998 d6

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RH side on the carbs under the throttle cable connection to the carbs. Screws in from below. You'll have to loosen the fearing to get at it.

Posted on May 31, 2010

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1 Answer

Idle adj screw vibrates out and the idle speed is high.

Hi Charles Gregory.

When you clean your carburetor and remove the jet screws, you will first need to lightly seat the jet screws.
But before you lightly seat the jet screws count the number of turns it takes to seat the jet screws from their original position.
Be sure to mark the turns down on a piece of paper.
That way when you put the jets back in, you know to lightly seat them first and then turn them back out to their original position before you started.
Make sure your spring that goes on the idle screw is in place.
You can also use some "locktite" thread locking compound on the threads of the needle if the spring is missing.
Normally you will adjust your idle jet to 1/2-3/4 turn open from the bottom seated position.
Then you will re-adjust the low speed of the engine when the engine is warm by turning the idle screw in or out till the engine runs smoothly at idle speed, around 1200 RPM.
The high speed jet is adjusted to 1 1/2- 1 3/4 open from the bottom seated position, after the engine is warm.
Then re-adjusted by turning the High Speed jet adjustment screw in or out till the motor runs smoothly at high speed.
Alway use the "lightly seated" method if you have not changed the screw settings.
Please take time to rate me

Oct 01, 2012 | Garden

1 Answer

My zzr 600, 1994 model idles a bit too high at 1500 approx how do i adjust this down and what is the correct idle for this machine ty tommyfour

If you look just under the upper frame rail on the left side under the fuel shutoff valve there should be a plastic knob on the end of a cable in a hook shaped clip. This adjusts the mechanical idle. Correct idle speed is 1100 RPM.

Jun 08, 2011 | 1994 kawasaki ZZR 600

1 Answer

My 1995 Yamaha XV535 will not idle properly. I've

Hi, Jerry and the usual suspects are:
1. Idle speed improperly adjusted.
2. Air fuel mixture screws not properly adjusted.
3. Inlet system air leak.
4. Leaking accelerator pump.
5. Loose low-speed jet.
6. Plugged low-speed jet.
7. Contaminated or plugged low-speed circuit.
8. Enrichner valve/choke not seated or leaking.
9. Multi carburetors out of sync and need to be balanced.
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.
Virago XV250 Choke and Idle Problem Premium fuel
Yamaha XV 535 DX Virago Service Manual
OEM parts for Yamaha

May 25, 2011 | 1995 Yamaha XV 535 Virago DX

1 Answer

My ZZR 400 has no power. I've replaced the jets .

Hi there and welcome to fixya,

I can share with your sentiment there. Here's are some of my ideas, you'll need to be patient enough though.

the jets you used, is it the stock replacement or a bigger one? I would recommend using the stock jets to eliminate the possibility of it being the cause. Tune your engine using a timing light, synchronize the carburetors so each intake manifold receives the same amount of fuel on throttle. Drain the fuel form the carb reservoir (or clean the whole carbs including the jets). Adjust the air-fuel mix to standard or 2.5 -3.5 turns out. Check for hose dents and check for proper plug firing.

Make sure cylinder compression is also good otherwise you'll suffer power loss on peak RPMs at high speeds.

The above process should eliminate any possibility with regards engine idling and poor idling.

To answer your question regarding valve clearance you'll need to download the manual to assist you on dissassembly. You'll need to remove the top cover on the engine and use a feeler gauge for adjustments. I'm not sure how to find the TopDeadCenter of this particular bike but the manual should.

Hope this in any helps you out,

Dec 21, 2010 | 1995 kawasaki ZZR 400

1 Answer

My zzr1200 is having a problem back firing and decrease in gas mileage along with poor cold idle. It seems like a timing problem. the bike has 75,000 miles. The valves have not been adjusted either.

Being electronic ignition, the timing should not be out.
It is more likely there is tight valve clearances, this will cause backfire and poor fuel economy and poor idle. also if it is not corrected it can burn valves and seats.
full tune and service with valve adjustment.

Sep 09, 2010 | 2002 kawasaki ZZR 1200

1 Answer

Runs at full speed only cannot adjust carb govenor at full speed

See if there is a Philips-head set screw on top of the carburetor (it is the idle speed adjusting screw) that you can turn counterclockwise backing off the idle (and possibly the wide-open throttle) speed. This is the simplest solution for you unless you wish to remove, disassemble and inspect the carb. Also, check the throttle cable to the carb, make sure it is not hanging up or binding near the engine where it connects onto the throttle plate shaft of the carb.

Sep 06, 2010 | Homelite Garden

1 Answer

Hi there i have a ''92/93 model zzr400 kawasaki and it starts fine but needs throttle or it dies on me then i have to restart it i have to keep revs up to stop this , also after awhileriding it the temp...

Increase your idle speed at the fuel/air intake manifold. There should be a screw to allow for this adjustment. If that fails the engine timing may be off and should vbe reset to stabilize idle speed.

Mar 17, 2010 | 1992 kawasaki ZZR 400

1 Answer

I TURNED OUT THE IDLE SCREW CABLE OF My ZZR 400 N, where does this go back into the carb and can i replace this without removing the carbs? please advise ta

yes this can be replace without removing the carbs and it goes at the rear of the carbs reach your hand through the fairing and it goes on the throttle stop
you will need to feel with your hands

Mar 26, 2009 | 1997 kawasaki ZZR 400

1 Answer

Fuel mix adjustment screw fell out


First take a screwdriver and make a sign on it.Check and note how many turns are at Low speed ."L" adjustment.Then adjust High speed "H" at half a turn less than "L".Idle speed "T" adjust accordingly.
Start the engine.

best regards savumihai71

Dec 10, 2008 | Poulan Pro Chain Saw 46cc 20"

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