Question about 2005 kawasaki KX 125

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I have a 2005 kx 125. Its running to rich. Shooting black mist out of exhaust. Looked at carb but don't know what I need to do to lean it out?????

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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czaa
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SOURCE: how do i adjust the carb for a lean idle and a

careful please-ajust r for pros specially wen it comes to jets-to lean or to rich can fry an engine-u can do some studying in library sec 629 or purchase books on carb procedures

Posted on Aug 20, 2009

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fingaz22
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SOURCE: ON A 2007 KX250F DIRT BIKE IT IS RUNNING RICH

turn it clockwise. you should by rule of thumb turn the screw all the way in (until it stops) then back it out 1 and a 1/2 turns then start the bike and adjust from that point. it is the best way to do it.

i would take the carb off and clean it throughly to insure no dirt r grim is the cause of the extra fuel.
good luck man

Posted on Sep 23, 2009

SOURCE: how do i adjust my carb for my honda crf 70 its either

To know if it is too rich or too lean or if its ok , you will have to remove the spark plug i.e. after a short run.
If the spark plug is blackish sooty thn its rich, if its totally whitish thn its lean, if is brownish, its ok.

To adjust this you will need to set the air-mixture screw. Tighten it all the way in slowly taking care not to overt tighten it as you may damage the tip of the screw, thn unscrew it 2 &h alf to 3 turns outwards, start your bike's engine and monitor, you may thn go either way alittle to suit the idling.
Best would be to replace the saprk plug.
Hope this helps!

Posted on Nov 21, 2009

  • 3567 Answers

SOURCE: wont idle unless i havethe throttle barley turned

The idle circuit is still plugged up or it would not be giving you this problem. Remove the carb and dis-assemble it then soak the parts in denatured alcohol for 30 minutes. Then use a spray carb cleaner to finish the job. Spray into all the little holes in the carb body. Especially spray into the air screw and throttle screw holes. Reassemble the carb and LIGHTLY seat the air and throttle screws then turn each of them one and one half turns outward. This is the factory setting. Before putting the slide back into the top of the carb, move the clip on the jet needle one notch lower on the needle. This will richen the low end fuel mix. Install a new spark plug and clean the air filter. Please rate my answer. Thanks.

Posted on Feb 09, 2010

  • 57 Answers

SOURCE: carburator is to rich

On bikes since 1980, I believe, the mixture screws are preset at the factory and then the hole is plugged. This is to prevent adjustment for emissions standards (****), and to make you bring it to the shop every time it needs adjustment, so they can "re-jet" your carb, for example, you get new exhaust, or new air cleaner, you are supposed to get it re-jetted. There is even a warning that it is illegal to adjust the carbs. What a load, lol. Anyway, you can drill the plugs out (very carefully, don't want to hit anything important) and adjust the screw. I would only do this if you have checked your intake and exhaust to make sure its flowing freely, and even cleaned your carbs thoroughly.

Posted on May 08, 2010

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I own a kawasaki kx 100 motox bike,,its a 2003 model,i want to know what? the settings are for the carb


What settings? Air fuel mixture?
to start with only you can set this
1. You need to know what a plug looks like
whens it's burning to rich or lean.
2. One carb? Turn mixture screw in all the way
go out 2 full revolutions
3. Crank bike if it will let it run give it gas
the sound of the motor should tell you
witch ways you need to go once u get it or think
you do take it for a ride then pull plug once coold
if the plug looks to lean turn the screw a
qurter turn out till you get it just right
do the same if it's to rich lookn on plug.
dose this carb also have a high/low mix
screws as well?

Jun 16, 2014 | Computers & Internet

1 Answer

Too rich Benelli Tornado 900 Tre


Hi, Andrew for this situation I would call my local dealer or reputable shop's service/parts department and inquire about any possible quick fix, answers, or parts inquiry. If necessary, transport your bike to the dealer or shop and have a professional technician take it for a test drive, if it is in running condition, and give you a written estimate of repairs and answer any specific questions you may have about your issue. For more information about your issue please visit the website below. Good luck and have a nice day.
CBR Episode 4 Spark Plug Rich or Lean
1985 Nighthawk CB700SC Running Rich
Scooter Carburetor Tuning Listening For Rich And Lean Conditions Carb
https://dl.dropboxusercontent.com/u/35177464/Tornado/900%20Tornado/TORNADO%20User%20Guide.pdf
http://dl.dropbox.com/u/35177464/Tornado/900%20Tornado/Tornado%20workshop%20Manual.pdf


Apr 26, 2012 | 2004 Benelli Tornado Tre 900

1 Answer

I have 1994 fxdl the plugs keep getting caked with black soot and fauling out which makes me believe its running to rich, its also backfiring,thru carb and exhaust, i want to know how to lean it out


Before I can tell you how to lean your carburetor out, I need to know what kind of carb you have. But, there are other possible causes for your problem. The factory usually jets the original Keihin CV carb too lean to meet EPA emission requirements. The most probable cause is running the enricher too long while warming the engine up. The enricher on any carburetor provides an extremely rich mixture. So rich that it will foul plugs if allowed to run for too long. You should only use the enricher long enough to warm the engine to the point to where you can keep the engine running with the throttle grip. Once the engine will run with the throttle grip, simply idle the engine up and use the throttle grip lock to hold the throttle at this setting and push the enricher knob in. Other causes could be that the needle is not seating properly and allowing the carb to load up with fuel. If this is the case, you should have noticed that the engine is idling extremely rich and poorly. In this case, you'll have to at least drop the float bowl off and replace the needle and check the float setting with the new needle. The Kiehin CV must be positioned on an angle to set the float properly. If you still have reason to think that you need to change your carb's jetting, re-post telling me exactly what carb is on your engine.

Good Luck
Steve

Jul 06, 2011 | Harley Davidson FXDL Dyna Low Rider...

1 Answer

Where is the mixture screw on a suzuki 125cc intruder vl 2008, as it appears to be running rich and no manual, plugs get black and wet.


the mixture screw is underside of carb,if its between cylinder and front side of carb its fuel/air,to lean turn screw clockwise,if its between backside of carb and air box/filter,its air/fuel,turn screw counter clockwise to lean,adjust with 1/8 turn at a time.

Feb 20, 2011 | 2004 Suzuki VL 125 Intruder LC

1 Answer

Were is the fuel fiter


the factory does have a sort of filter that they install on the fuel petcock( on/off fuel switch mounted under tank) but it is a screen( usually plastic) you have to take the 2 screws off and remove the on/off switch to get to it( drain fuel first)......but they hardly ever get clogged!!!! you can check,but i dont think thats your problem...sounds to me like your either running to rich or to lean which will be a carb issue.... do you foul plugs allot?or get a black oily residue leaking from exhaust?( to rich or to much fuel to engine from carb ) if not then sounds like its running to lean.( not enough fuel) ( rich or lean will cause it to bog when hammering on throtle..) if your running lean i would remove carb and clean with carb cleaner( might have a partially pluged jet in the carb.......

Sep 18, 2010 | 2003 Yamaha YZ 125

1 Answer

Backfiring on deceleration from exhaust pipes


May be running too lean or too rich. Check the color of your plugs, black dry and sooty means they are rich, white with blisters lean.

Apr 03, 2010 | 2005 Honda VTX 1300 R

1 Answer

Black plugs/missing at high rpm's


You're either running too rich, or plugs that are too cold.
My first guess, from scanty info: you've changed the exhaust pipes, are running too lean on top (need a different main and maybe needle and cutaway, too) and "fixed" the mixture with as screw on the carb that just adjusts idle mixture.
Stock exhaust? Check the airbox/aircleaner for restriction. You may also have a torn/perforated CV diaphragm in your carb (unlikely in a bike this new)

Dec 14, 2009 | 2007 Yamaha Road Star

2 Answers

Hi mt pit bike is spluttering under acceleration i have tryed to adjust air screw with slight difference but it is still not smooth under power. bike is fk1 125 dont know if valve clearence would be the...


Your bike may be jetted too lean. A common problem in these days of overzealous EPA regulations. You can tell if when you've cranked your throttle wide open and it splutters, if you back off on the throttle about 1/8 to 1/4 turn, it clears up. This is indicating that it is jetted too lean. When you close the throttle slightly, the fuel is being metered by the main jet and by backing off on the throttle a bit, you're cutting back on the air, thereby bringing the mixture closer to what the engine needs. Try rejetting the carb, Go up one or two sizes on the main jet, one step at the time.

Now, it could be too rich as well. If it splutters and blows black smoke out the exhaust, it either jetted too rich or the float level in the carb is set wrong.

Take care of the simple stuff first before rejetting the carb. Make sure your spark plugs are the correct ones and they are not fouled from overusage of the choke or enricher. If you allow the bike to "warm up" with the enricher on, plug fouling is common with this practice. I get the bike started and as soon as it will run without the enricher or choke on, I turn it off and keep the bike running with the throttle. Don't foul as many plugs that way.

Nov 09, 2009 | 2008 Yamaha Yamaha G5

1 Answer

What do people mean rejetting? rejetting what ur carb?


Re-jetting refers to changing the size of the jet (or jets) within the carb. The jets, for the most part, determine the air/fuel ratio entering the engine, Too small of jets the engine will run lean, run hot and may lack top-end power. Too rich and the engine may have low-end running problems, produce a bit of black smoke, waste fuel and may even foul the spark plug(s). Looking at your spark plugs can give you great in-site as to how the engine is running, rich, lean, burning oil...)
Please see the attached link for your use.

http://www.spark-plugs.co.uk/pages/technical/diagnosis.htm

If you do need to replace the jets you'll need to remove the carb(s) and tear in to them abit; the jets themselves just screw in and out. Take care when handling, their brass and can be damaged easily.

I hope this may have assited you,
Tom

Oct 21, 2009 | 2004 Yamaha DT 125 R

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