Question about 2005 kawasaki KX 250

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Exhaust pipe glows red

Starting my kx 250 when it gets hot the exhaust glows red

Posted by Anonymous on

6 Suggested Answers

  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

a 6ya expert can help you resolve that issue over the phone in a minute or two.
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Posted on Jan 02, 2017

  • 7 Answers

SOURCE: 91 kx 250 blows smoke and drips alot of unburnt oil out the pipe

Does it have a stock pipe,carb,any modifications! If its stock,I would put a new ring and piston in it,it seems like your getting a lot of blowby,also make sure your air filter is clean. It would help if you used an iridium spark plug.

Posted on Jan 21, 2009

  • 3567 Answers

SOURCE: why does my kx250f pipe get red hot to where it

Several things are possible. The baffles inside the muffler may have partially collasped causing a restriction in the exhaust. The fuel / air mixture may be too lean. A lean mix burns hot. The stock main jet is a #178 (stamped on the jet). Try a richer jet, #180 or #182. Also, use only premium gas without ethanol. Be sure your gearbox oil is clean 10 w 40 motor oil. NO SYNTHETIC LUBRICANTS. Check the radiator coolant flow and temperature to be certain the engine is getting cooled as it runs. Be sure mud /trash is not blocking the radiator fins. Also check the spark plug. The stock plug is an NGK CR8EB. Replace it with a colder plug, NGK CR9EB

Posted on Aug 02, 2009

  • 1978 Answers

SOURCE: 2002 ninja 250 idels good

The power band on a 2002 Ninja 250 does not kick in till you hit about 5000 RPM. The newer 2008 and up 250's kick in about 3000 RPM. There is a website devoted to the Ninja 250 that might give your more background into the motorcycle: You may want to replace your spark plug caps they may be robbing of the spark you need at take off. They simply unscrew off of the end of the wires. They should read 5000 OHM's no higher , no lower. If you purchase new NGK brand plug caps they will only cost about $5 each.

Posted on Jun 05, 2011

  • 1565 Answers

SOURCE: Why does only 1 exhaust pipe on my ninja 250 get

Try unplugging one spark plug at a time and see if the engine will run on just left and just right cylinder. The cylinder thatwont run may have a clogged carburator or the valves may be too tight causing a low/no compression on that cyliner. Also a vacuum leak at an intake boot would cause a lean condition and a hot cylinder. Be certain you have spark at both ( properly gapped) spark plugs before **** these tests.

Posted on Nov 23, 2011

  • 440 Answers

SOURCE: hard starting when hot 97 kx 250

fuel boiling in carb fit a heatshield underneath

Posted on Jan 22, 2012

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AS you have altered the jets I would be looking at air/fuel mixture for the rear pot
It is probably the same for the front pot but with an air flow on the exhaust pipe you will not see it getting red

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Very slow to start huskey te 250 on a 53 plate

The engine is water cooled. The exhaust pipe is air cooled. Sitting idle and revving the engine is likely to exceed the cooling capacity of the motionless air. Air needs to flow over the pipe to cool it. If the pipe is glowing red while riding then consider re-jetting the carb. Too lean a fuel/air mixture burns hotter.
Please rate this solution. Thanks!

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