Question about 2003 kawasaki KDX 220 R

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Pinging noise at high rpm

I have a 2003 KDX 220. I use a BR8ES spark plug for slow, low rpm trail riding to avoid fouling out the plug. I heard a pinging noise at high rpms so I changed from an BR8ES to a BR9ES spark plug. I do not hear the "pinging", but I still think there is noise like something is loose at high RPM. I burn premium at 40:1.

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Try mix of 32:1 .i use b8egv or b8egvx plug .

Posted on Jun 16, 2009

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You could have fuel with to low of octane rating.

Posted on Jun 01, 2009

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1 Answer

Pings when hot 3500rpm


Hi Anonymous, start by switching to high octane premium fuel, Chevron, Mobil, Shell, ect. ethanol is not a friend of your engine. Use only Harley Davidson 20w50 Syn 3 oil. Install an oil cooler, engine oil temperature should be 180 to 220 degrees. Usual suspects for pinging are as follows:
1. Fuel octane rating to low.
2. Faulty spark plugs.
3. Incorrect spark plug for the type of service.
4. Excessive carbon deposit on head or in combustion chamber.
5. Ignition timing advanced due to faulty sensor inputs (MAP, CKP, CMP).
For a possible prime suspect please visit website below:
Harley Trouble Codes
Good luck

Mar 22, 2014 | 2009 Harley Davidson FLHR Road King

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Hi I have Lexus Rx300 year 1999. The problem is, some time when I start the engine, I noticed that the RPM meter shows low and the car little viberate and engine stops. But if in-between I push...


REPLACE SPARK PLUGS AND WIRES AND CLEAN FUEL INJECTORS. SOUND LIKE FUEL INJECTORS LEAKING FOULING OUT SPARK PLUGS WHEN YOU TURN OFF ENGINE.WHEN YOU START CAR UP NEXT MORNING CYLINDERS MISFIRING SO BAD FROM FOUL PLUGS ENOUGH SHAKE ENGINE.WHEN ENGINE RUNS FOR FEW MINUTES THAT WILL BURN OFF FOUL SPARK PLUGS UNTIL ENGINE RUN NORMAL.

Sep 06, 2011 | 2000 Lexus RX 300

1 Answer

I have an 04 husky cr 125 and the fuel ratio i had is 32-1 and it fouled on me! i just go around the yard but sometimes on trails. should i go to a 40-1 ratio? or a 50-1 ratio?


Some guys will tell you to go to 50-1. Don't. 40-1 would be okay. If that doesn't stop the fouling, go to a hotter spark plug. An example would be BR8ES to BR7ES. The lower the number, the hotter the plug. By the way, you ARE using two stroke ENGINE oil and not MOTOR oil aren't you??? Please rate my answer.

Aug 15, 2011 | 2004 Husqvarna CR 125

1 Answer

Have a 20001 kdx 220. need to know fuel oil ratio


40:1 is generally the ratio for this bike, as long as it was jetted correctly for that ratio and hasn't been messed with.

If you don't know the bike's history, check your silencer isn't ejecting any excess partially burned oil and there's not excessive smoke, also check the spark plug to see how its burning. It should be chocolate brown.

Jul 22, 2011 | 2003 kawasaki KDX 220 R

1 Answer

I have Subaru Impraza 07. In last couple of weeks I am hearing metallic popping sound when I hit accelerator to 2000+ RPM. I don't hear this noise if the engine is cold but getting heated this sound starts...


This is most likely detonation (aka pinging, or pre-ignition knock), a condition caused by the fuel igniting before the spark occurs at the spark plug. The "knock" sensors in the heads are designed to control this effect but sometimes if you get a fill of bad fuel (fuel with a low octane rating), the sensors are unable to cope. Other causes are...
1. Bad spark plugs
2. Build up of carbon deposit in combustion chambers
3. Turbo boost set too high
(a) Avoid (at all cost) hard acelleration until all this fuel is used
(b) Add a fuel octane improver such as Mythyl Benzine
(c) Quickly get a fill of premium unleaded fuel.

Apr 05, 2010 | 2007 Subaru Impreza WRX Sport Wagon

1 Answer

What causes a Kawasaki 185 Bayou to miss at high rpm?


spark plug is too hot for the bike , change for a cooler one .
flotter in the carbi may be stuck or needle in the carbi may be dirty or wrongly set .
the bike could starve for full at high revs

Sep 26, 2009 | 2003 kawasaki KDX 220 R

1 Answer

2001 kdx 220 starts idles great no power stalls out , floods


Use a hotter spark plug. They do have different heat ranges.

Jul 01, 2009 | 2003 kawasaki KDX 220 R

5 Answers

I have a 2005 kx 250 2 stroke and it keeps eating plugs


NGK brand spark plug BR8ECMVX is the stock plug for the bike. The proper gas / oil mix is 32 to 1. That means 4 ounces of 2 stroke oil per gallon of gas. The posting was not clear as to just what the problem is. If you are burning up plugs there may be a air leak in the intake system making the bike run lean. A lean fuel mix runs hot.

Jun 24, 2009 | 2005 kawasaki KX 250

3 Answers

I have a 2003 kx250 i run it with mc1 50:1 and when i ride it slow around my campsite it will foul a plug and when im out in the trails getting on it hard it will run hard what sould i do so i dont foul...


I would stay with the same heat range(BR8) to stay on the safe side. You didn't say if when you are at the camp sight the bike is cold and just off the truck or warm and right off the trail. But usually alot of 2strokes need to be cleaned out when their being warmed up or they can foul a plug. Get it started, blip the throttle a few times to get some heat in the cylinder and then hold it open until you hear it rev faster and run smooth. Thats usually enough.

Jun 19, 2009 | 2003 kawasaki KX 250

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