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1980 kz1000 when i open throtle quickly motor wants to die but if i do it slow it will rev up

I rebuilt all 4 carbs but having trouble adjusting slides with monometer

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Sounds like you have a fuel starvation problem,if the bike was running ok before you cleaned the carbs,I would sujest you take them back off the bike,and check the float level,the jets are clear,and just to start with put a 1-mill drill bit in wher the slide is do this for all for then put it back to gether it should work then just ajust the slides again untill tick over is right.
all the best(also I take it that you changed air filter)
remeber I havent got the bike in front of me so I can only go on what you have told me.
all the best.

Posted on Apr 06, 2015

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Posted on Jan 02, 2017

wd4ity
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SOURCE: Hi i have a xlh 1200 sportster 1989 /1990 its

If the throttle is "snapping" closed like it should but the RPM's are not coming down, it sounds like you might have a vacuum leak somewhere. I've seen the advertisements for this system but I have no experience working on it. Evidently, this carburetor has two throats on it. Use a feeler gauge and check the gap at the bottom or top of one side of the unit and then check the other side and see how close they are. I would assume that even though there are two throats, the throttle plates are controlled by one shaft and that shaft is controlled by the throttle and idle cables. If the two throttle plates are seperately adjustable, then they may not be adjsuted correctly. Go to Edelbrock's website and see if they've got a technical assistance phone number or whatever. Send them an e-mail. They'll know more about it than I would.

Good Luck
Steve

Posted on Oct 21, 2010

  • 5370 Answers

SOURCE: 1980 kz1000 carbs not right,

Normally approximately one turn out is a good place to start.The screws control air and not fuel like most do. Turning them clockwise will reduce the air and richen the mixture.
The air screws are up on the sides of the carburetor bodies and are angled upwards to the outside of the bike. Pilot fuel mixture screws sit in the well on the engine side under the carbs on the bowl. You will need to check where the screws are on your model carb.If screws on up on sides of the carb then there is just air screw and no pilot fuel adjusting screw. There is no setting for the pilot fuel mixture screw as a spec. The book tells you to reseat the screws and count the number of turns in. Set them to 1 3/4 turns out from lightly seated. Service fuel level is 4mm and float level is 26mm.Move the clip on the needle from 4 back to 3. --------------- this will help.thanks.helpmech.

Posted on Jun 04, 2011

searcher1974
  • 229 Answers

SOURCE: just rebuilt carburetor for kawasaki 300 prarie and when i start it the throtle is very high, how do i adjust it

There should be a cable that runs under the carb on the left hand side of the quad,that has a black knob on it.If that has no effect,then its a possibility that your cable is too tight,needs lubing,OR you could have a vacuum leak somewhere.
Good Luck!

Posted on Sep 29, 2012

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29 mm smoothbore carbs on 1980 kz 1000 motor idles down real slow then shuts off


Hi, Virgil and the usual suspects are:
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