Question about 1998 kawasaki KDX 200

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Kdx 200 running lean or rich no not know.

You know how a 2 stroke will clear up and really go when you are in the power band, well mine will not stay cleared up in its power band, I have cleaned the carb, removed air box and cleaned and also tried with air filter out of it, checked reeds found out it has aftermarket performance reeds, this bike has been built for racing however we do not race. What should i look at next? also new plug and gas.

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May want to look at changing out the reeds

Posted on Jun 04, 2009

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I have a kdx 200 and it only runs with the chocke out with the chocke in it dies... what is your opinion ?


Hi, Anonymous 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. Vacuum line from the petcock to intake manifold cracked.
5. Float needle and seat sticking.
6. Float level too low.
7. Carburetor bowl vent line clogged/blocked/pinched.
8. Idle adjusting screw set too low.
9. Air/fuel mixture screw set too lean.
10. Idle port, transfer ports, slow air jet clogged.
11. Slow fuel jet clogged.
12. Faulty fuel pump.
For more information about your issue and valuable "Free" downloads that you will need please Click on the blue links below. Good luck and have a wonderful day.
KDX200 problem runs if choke always on Kawasaki Forums
87 kdx 200 only runs on choke
Kawasaki KDX200 Service Manual
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1999 Kawasaki KDX200 Owner Manual

May 20, 2017 | 1998 kawasaki KDX 200

1 Answer

How to Adjust idle circuit? Why does it start, but does not keep running.


2 stroke or 4? if 2 stroke definitely jetted wrong choking makes it rich tells me your main jet is too lean (smaller hole) you need to pull carb check jets for plugage clean jets write down numbers check dealer for correct jet size for your elevation if 4 stroke back fire thru carb indicates timing is off or bad intake valves or cam lobe worn

Oct 03, 2016 | ATVs

1 Answer

Fuel to oil ration for homelite htc12


good question . most modern 2 cycles run either 40 to 1 or 50 to 1 ratios.fuel air mixtures must stay on the rich side of the power band to allow a small amount of un burned fuel to flow past the exhaust vaves and provide a cooling effect.A too rich oil gas ratio is harder on the ignition coil and might pound it out. however a too lean , not enough oil situation will scoure the cilinder walls result in sticking rings bearing faluire ect. so i would go with 40 to 1

Aug 24, 2014 | Garden

2 Answers

1996 kdx 200, starts good, boggs out and shuts off while riding like it is running out of gas. any ideas?


my 1998 kdx 200 had the same problem last week. I know exactly what the problem is. My air filter was so clogged with dirt,oil,gunk, that there was absolutely no air or very little mixing with the fuel that it just refused to run. I fouled 3 plugs trying to make it back to campground. I also had black gunk just a dripping from my exhaust which has never happened before, but since it wasnt getting any air it was running so rich. At first i thought that i got water in my carb or fuel lines somehow,cause we were going through some nasty deep puddles. when i got to camp and removed my seat and saw my air cleaner i knew exactly what the problem was. I cleaned out the air cleaner and she ran again...but just like you stated, on the trail my bike acted like i was running out of fuel and just stalled. wish it wasnt when i was doing about 35 but ya know how it goes...i let my bike sit for 5 min, cause wouldnt immediately restart, then it would start. I would make it another 500 yards and stall again. confused i switched tank to reserve, still had plenty of fuel but i was stumped. then eventually i would foul a plug but i always carry 3 plugs even though i make it 2 seasons on 1 plug....so im 99% sure thats your problem....

Nov 30, 2012 | 1998 kawasaki KDX 200

2 Answers

Hi I recently bought a Kawasaki kdx 80.I've been riding it for about a week and has been fine,but a few days ago I filled the tank with premix 35:1 I think and not saying that's what did it but since then...


Black dry deposits are indicitive of a very rich mixture. On your two stroke, rich is a asset but you can go too rich. It sounds like for some reason you're getting too much fuel.

I think I ran into something like this before on a Kawasaki 80. Check the screws that holds the choke plate inside the carb. They will come loose and allow the choke to close on you while riding the bike. If the screw comes out, it will go into the engine and cause serious damage. If the screws are loose, them out one at a time and put a drop of Loctite 271 (red) on them and reinstall them.

Check the float and the needle and seat to make sure that you don't have any trash in the needle and seat. Also check your tank vent. If the tank builds up vacuum, you could be running out of fuel. Sounds funny that you can be running rich but run out of fuel. The problem is that you run out of fuel so quickly that the carbon from the rich mixture doesn't have time to burn off.

Good Luck
Steve

Aug 25, 2010 | kawasaki KDX 125 Motorcycles

1 Answer

What sould the oil Petrol Mix be 1:60 or Less


The standard mix is 32 to 1. This means 4 ounces of two stroke engine oil per gallon of gas. The lower the ratio ( like 60 to 1 ) the higher the risk of seizing the engine. Do not use motor oil, only 2 stroke engine oil.

Aug 04, 2010 | 1998 kawasaki KDX 200

1 Answer

Seems like oil is getting to carb


try cleaning, or replacing your spark plug. 2 strokes often get gummed up, also try draining your carby.

May 20, 2010 | 1998 kawasaki KDX 200

1 Answer

We have an 1985 kdx 200 2 stroke and where do the floats need to be set at it floods itself everytime you try to start it


the floats may be damaged
try to level the floats with the base of the top part of the carby and see how you go .
you may have to try a few times until you get it right .
Check your needle point too as it may be stuck as well .

Sep 26, 2009 | 1998 kawasaki KDX 200

1 Answer

1998 kdx oil


Use 10w40 motor oil in the gear box. Don't use any synthetic oils, oil marked "EC", or oil with "special" additives.

Use Two Stroke ENGINE oil in the pump. If not doing an automatic oil pump the mix the gas and oil 32 to 1. That equals 4 ounces of two stroke ENGINE oil to one gallon of gas. NEVER use motor oil in the gas. Only two stroke engine oil.

Please top rate this answer. Thanks!

May 28, 2009 | 1998 kawasaki KDX 200

1 Answer

Oil leaks


Hi,

Don't worry. The bike builds up a little oil at a time.
This is 2 stroke oil that is unburnt during combustion.
You might be running the bike a little rich.
A mix of 32/36 to one is good for outriding.

You should de-carbon the exhaust and replace the silencer packing. This will also give you some unexpected horse power.

Enjoy the ride !

Jon

Feb 19, 2009 | 2000 kawasaki KDX 125

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