Question about Motorcycles
2012 kx450f bike cuts out when accelorating or holding it at one speed
Check your fuel/air filter These will usually last about 2 years, but this will depend on how the machine is used. If you use the machine a lot off road you should be doing a yearly service approx every six months. Also make sure your fuel pump is running.
Posted on Apr 21, 2013
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Posted on Jan 02, 2017
It sounds as if you have dirt in your fuel line or some bad gas.
I would recommend draining your tank and cleaning it, then replace your fuel filter.
Posted on Dec 03, 2008
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Posted on Dec 23, 2008
SOURCE: kawasaki gpz 1000 rx 1987 model
Running well at high revs would indicate that all the fuel and air it needs are getting to the engine and you also have a good spark. Probably no problem with air and fuel filter ( if fitted) or sparkplugs.
Running hot, and bad idling are signs of a lean air fuel mixture. The engine is probably not getting enough fuel at low revs.
This could be caused by an air leak between the carburettors and the engine. Check that the vacuum line to the fuel tap is properly secured at both ends. It is behind the fuel line at the tap.
Get a a short length of hollow plastic tube and use it like a stethascope - put one end to your ear and move the other end around your carburettor mounts with your engine revs as low as you can get, and listen for any sucking noises that would indicate a leak. Look for cracks in the rubber inlets.
The other possibility is that there is an internal blockage in the idling jets or idling fuel circuit. This is where dirt tends to lodge because the jet dimensions and passageways are very fine - The high speed jets are much bigger and dirt often just passes straight through.
Try a little bit of choke while the engine is warm to see if you get a stronger low speed response. If so that would point to an internal blockage.
Posted on Mar 21, 2009
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