Question about 2005 kawasaki KX 250
Starting my kx 250 when it gets hot the exhaust glows red @
Posted by Anonymous on
Hi, Anonymous and the usual suspects are:
1. Retarded ignition timing.
2. Retarded cam timing.
3. Bent or burnt exhaust valve.
4. Massive air leak.
5. Intake manifold cracked or damaged.
6. Intake manifold seals have failed.
7. Wrong heat range spark plug.
8. Fuel delivery system running too lean.
9. Faulty Map, O2, MAF, TPS, sensors.
10. Faulty advance mechanism.
11. Faulty VOES switch.
12. Aftermarket exhaust headers tubing too thin.
For more information about your issue and valuable "FREE" downloads that you will need for viewing or printing please click on the blue links below. Good luck and have a wonderful day.
KX250F Header pipe RED HOT
OEM Parts for Kawasaki
2005 Kawasaki KX250 Owner Manual
Posted on Mar 02, 2018
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Posted on Jan 02, 2017
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
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
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: ninjette.org 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
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
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