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TOPIC: Brass bushing replacement 1977 kz1000a1 carb holder

Brass bushing replacement 1977 kz1000a1 carb holder 24 Mar 2020 16:42 #821639

  • Gdizard
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Does any one know how to replace the three bushings in the carb holder ?
These are for the steel rod that connects to the throttle lever .
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Brass bushing replacement 1977 kz1000a1 carb holder 24 Mar 2020 18:39 #821651

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Why do you need to replace the brass bushing, a little play is acceptable and did not influence the funtion.
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Brass bushing replacement 1977 kz1000a1 carb holder 24 Mar 2020 18:52 #821656

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The alignment is off so when I insert it thru the last bushing it tightens up .

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Brass bushing replacement 1977 kz1000a1 carb holder 24 Mar 2020 18:57 #821657

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Was the carb body that’s damaged on the same side. Might be bent more than a bushing can fix.
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Brass bushing replacement 1977 kz1000a1 carb holder 24 Mar 2020 19:08 #821661

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As Mikaw said, check the rod concentricity on a lathe with a dail gauge. Some sweet hits on the high out off true spot with a rubber hammer fix it!
New brass bushings didn´t fix it!!!
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Last edit: by Scirocco.

Brass bushing replacement 1977 kz1000a1 carb holder 24 Mar 2020 19:18 #821663

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The carb body is from another set actually.

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Brass bushing replacement 1977 kz1000a1 carb holder 25 Mar 2020 07:15 #821693

  • Rick H.
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Just to follow up a bit on what Scirocco said, you can check the rod for straightness by using a couple of V-blocks and a dial indicator if you don't have a lathe. Lay the rod on the V-blocks and drop the indicator on the rod. When you slowly turn the rod you will be able to see any error in it and you can adjust it with counter pressure with a press or even a hammer. Just don't get carried away hitting the rod. I have done something like this in a drill press and use the spindle to apply pressure to the rod to straighten it. It works very well if you take your time.
Rick H.
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Brass bushing replacement 1977 kz1000a1 carb holder 25 Mar 2020 07:41 #821699

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Many less-well-equipped hobbyists don't own V-blocks or dial indicators.

An alternative would be to place a sheet of glass on a flat tabletop, for instance, so that the glass is evenly supported underneath, and slowly rolling the rod across the glass while observing any gaps that appear & disappear as the rod is rolled. A grease pencil or felt tip marker can be used to mark the high spots.

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Brass bushing replacement 1977 kz1000a1 carb holder 25 Mar 2020 10:35 #821713

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I have decided to use this the way it is for now .
I will probably seek a new used part if one comes available.
Thanks for all your support .
Greg

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Brass bushing replacement 1977 kz1000a1 carb holder 25 Mar 2020 10:51 #821715

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One way I can think of to determine if the issue if due to the bushing or the rod it self wold be to try putting it in from the other side or end for end and see if gets tight in the same location.
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Brass bushing replacement 1977 kz1000a1 carb holder 25 Mar 2020 12:56 #821727

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I know the rod is straight, I see the same miss alignment from both directions .
When I have it together it will spin but not as freely as it should be .
I do not think it is really worth the money to align thes bushings.
Greg

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Brass bushing replacement 1977 kz1000a1 carb holder 25 Mar 2020 23:46 #821779

  • kevski
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If the rod is straight and it tightens up when put through the bushes on carb plate, it surely must be the plate that is at fault and must have a twist in it, now you have to ascertain which one it is and straighten accordingly.
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