Question about 2006 kawasaki KX 450 F

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Runs great with choke on but when choke is off it sputters

What can be the problem if it runs fine with the choke on but when you take the choke off it seems to sputter and doesnt idle properly

Posted by Anonymous on


6 Suggested Answers

  • 2 Answers

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Posted on Jan 02, 2017

  • 2050 Answers

SOURCE: when i first take it out of the garage it wont

Sounds like a dirty, or plugged carburator. It need to be completely gone through. They also have an accelerator pump, so get it all cleaned up and inspected for wear.

Posted on Sep 16, 2009

ollie reece
  • 1167 Answers

SOURCE: Kawasaki 750 4x4i (2007) Will only work if choke

hi buddy just take the carbs off the manifolds remove air filter cleaning with petrol if dirty and just use petrol and a brush to clean it and wd40 then re assemble and get back to me with results clean the jets, below will tell you how to disemble 80d98ad.jpg

Posted on Oct 10, 2009

Testimonial: "Thanks for the info ollie, ill try it out and see what it does!"

  • 164 Answers

SOURCE: 2003 VN800A idles rough and sputters

speaking of things clean how is the air filter dirtyy filters are the most common cause of rough idle on most engines because of the age of this machine I would also check the inlet manifolds they may be perrished & sucking air this can be checked by spraying wd40 onto the mannifolds while the motor is running if the engine speed increases you have found the cause of the problem of to the dealers for a set of new mannifold rubbers

Posted on Mar 10, 2010

  • 921 Answers

SOURCE: bike sputters with no throtle when trying to

purchase a can of Seafoam from Autozone $10 and pour in 1/3 can to two gallons of gas. After you get the bike started ride it hard but dont go to fast be safe.. for about ten to fifteen might run a little rough the first couple of miles but then it should clear took me 10 miles before my bike spite something out and be careful it spit it out when i was in a turn and zoom..ran like new and has been ever since. if you follow the instruction on the can they say to drain the main fuel line and pour straight into the fuel line, well i just filled the fuel filter instead and just rode off.
Can i get some feedback...thanks

Posted on Apr 04, 2010

  • 2559 Answers

SOURCE: my 2003 kawasaki bayou sat

This sounds like the high speed jets are slighty clogged and needs cleaned again.

Posted on Aug 29, 2010

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1 Answer

1984. Why does it run fine during cold weather and sputter when it is warm and I punch the gas pedal?

could be low float level, low pump pressure/supply
blocked fuel filter
when cold the engine is running on choke setting which draws more fuel from the carby
when it is warm the choke is off and if you have a flat spot ( (sputter) , that indicates a lack of fuel or maybe a bad accelerator pump or power valve
if the carby is a holley then replace the power valve and overhaul the accelerator pump.

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Try slackening the fuel filer cap to make sure there is not a vacum building up

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The PO 316 is still misfires om first 1000 revolutions
so the shop did a poor job for you on resolveing the
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Try a diffferent shop

Have to clean the MAF Sensor & replace upstream
oxygen sensors if over 100,000 miles

Need the correct oem spark spark plugs/any brand

No reason the gas filter should be clogged unless it was in
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Fuel pressure should be checked

Need to check for cylinder misfires on a road test of 20
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The engine sputters and dies when it heats up. Is this Vapor lock? On cold start it works great and idles just fine but as it heats, the engine starts choking and soon dies out. If this is vapor lock, how...

sounds like the reason it starts and idles fine at start up is your choke is functioning... as your vehicle warms up.. the choke starts to kick off... Inspect your throttle body and idle control motor.

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I have a 65 mustang 200 engine. After changing

Make sure you were given the right plugs for the car (correct heat range) also check the choke plate after the car warms up to ensure the choke plate is all the way open.

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adjust your carb, the 2 screws on each side of the carb adjust so you can get the car to idle correctly, also check your distributor

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Engine coughs and stops after about 15 min. of cutting

check the vacuum line from pump to crank case fo leaks

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1 Answer

Sputtering at low speeds and takeoff

your low speed jets are stopped up ,the carbs need cleaning, go to walmart a buy some SEAFOAM, poor it in your gas tank ,start it up on choke, and when it start ot clear up take it off of choke, or ride it until it clears up. after it starts running good get it synchronized

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Sputters & quits at proper RPM for engaging trans or mowing deck

If the choke has an adjustment point, then adjust the choke to a good overall working powerband. If it still doesn't act correctly, look for vacuum leaks. If it is an option, you may want to install a manually operated choke lever.

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