Question about kawasaki ZX-6R Ninja Motorcycles

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Choke When I start my ninja with the Choke on it starts fine. But when i take the choke off and rev it the revs are high and won't drop. Is the choke sticking slighty??

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  • 93 Answers

Sounds like the idle is out of adjustment. There should be a knob with a phillips type screw on a cable that can be reached on the left side of the bike. Turn it counter clockwise to lower the idle.

Posted on Jul 27, 2013

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Posted on Jan 02, 2017

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SOURCE: The bike starts up fine with the choke out, but

hi cowboydesign

its starving for gas, either because the gas isnt getting to the carb or because the carb is clogged up. make sure your getting fuel to the carb first. remove the fuel line at the carb to make sure gas is flowing from the tank to the carb. if it is, your float might just be stuck or your carb is clogged up. you can try spraying carb cleaner in and around it, but that doesnt always work. if you never took a carb apart, i recommend finding someone that has.


Bill
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Posted on Feb 18, 2011

TerryTown
  • 292 Answers

SOURCE: Just started dying at low

Thank you for contacting FixYa with your inquiry.
This definitely sounds air/fuel related. Something has changed.

  1. If you have had the bike in storage for a while the gas can lacquer up and deposit shellac on the float and float valve parts. Start by cleaning that. (Pipe cleaners work miracles)
  2. Check you carburetor Idle Adjust Screw by turning it tight and backing it out 1 1/2 to 2 turns until it idles smoothly.
  3. Check for loose clamp on the rubber boot to the air cleaner and make sure there's no holes or cracks.
  4. Muffler - Sometimes the insulation disintegrates and restricts the exhaust.
  5. Check your spark plug for color. Should be a nice cocoa brown when the jetting is correct. If it's wet and carbonized you might try to lower the needle by raising the C-Clip one notch.
  6. Check the air vent tube for obstructions on top of the gas tank.
Drill down from to this link from the parts fiche on your engine http://cyclehuttktm.com/FicheFinderNew/FicheFinder.aspx 2002 > 640 LC4-E > ENGINE > CARBURETOR Mikuni Carburetors have a lot of adjustments and jet combinations. Maybe your gaskets or an O-ring has dried out increasing air flow at bottom rpm speeds.
Worst case is if you have really run this bike a lot you might want to refresh the top end. I suspect its something simple and one of the above steps will get you back running correctly.
Kind regards,
TF

Posted on Jul 19, 2011

wd4ity
  • 4565 Answers

SOURCE: starts on choke but won't

It sounds like either the jets in the carb are plugged or the slide diaphragm in the carb has a hole in it. First take the air filter cover and air filter off the carb. Start the engine with the "choke". Do not get your face too close to the carb but look into the carb and gently rev the engine. The slide should move up and down. If so, the diaphragm is probably alright. If the bike has been sitting up for a good while, the gasoline in the float bowl would have evaporated and left behind a thick gummy residue. This may have the main and slow speed jets plugged up. The carb will have to be taken off the engine and professionally cleaned.

Good Luck
Steve

Posted on Aug 21, 2011

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I was using my o17 saw today it was runing Just fine I shut it off when I went to start it again it fired on choke seting after that I could not get it to do anything what is wrong with it


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Cheers.

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What is the starting procedure?


Start with the choke on full press the fuel siphon button till the lines are full of fuel. pull handle until it tries to start but stops. move the choke to half then start again. let it run for 60 seconds on full. don't move the choke to full or it will stop. Either slow the revs and then put the choke on full or keep the revs high and slowly move the choke to full (to allow the governor to slowly advance with the new revs)

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1 Answer

Starts on choke but won't rev and stops when trying to rev or choke off


It sounds like either the jets in the carb are plugged or the slide diaphragm in the carb has a hole in it. First take the air filter cover and air filter off the carb. Start the engine with the "choke". Do not get your face too close to the carb but look into the carb and gently rev the engine. The slide should move up and down. If so, the diaphragm is probably alright. If the bike has been sitting up for a good while, the gasoline in the float bowl would have evaporated and left behind a thick gummy residue. This may have the main and slow speed jets plugged up. The carb will have to be taken off the engine and professionally cleaned.

Good Luck
Steve

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Motor wont rev up when starting cold with choke on trys to run on idle but will not rev up


the motor wont rev high on choke.the motor is suppose to fire once on choke. then turn the choke off.pull the start cord and the motor should start and run.check that the throttle conrol is on full. it should run fine.

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My 1986 Ford F-150 5.0 EFI runs good, but when I start it it revs to 1700 rpm untill I give it a little gas then it drops to normal rpm. How do I stop it from the high revs when started?


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When I start the engine from cold it runs on high revs too long


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