Slide Biblically Stuck In CV Carb & Will Not Move

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16 Jul 2024 12:52 #902199 by chopper1963
I saved a set of carbs for a 1982 GPz550 back in 1987 or so. Pre-ethanol carbs. They are beautiful and nice. I have had them in a box for over 20 years. I drained them prior to storage.

I am doing a check on them before giving them to a friend for his bike. PROBLEM: one slide refuses to budge. All other slides came out easily and look great.

I've tried all of the normal methods. Penatrating fluid of various kinds, vinegar, light tapping with a piece of bar stock, etc etc. No joy.

I am very ready to sacrifice the slide itself.

I briefly tried heat gun on the slide from both sides of the slide this morning but no joy.

Suggestions welcome!

 

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16 Jul 2024 13:06 #902201 by Wookie58
It's the housing not the slide that you need to heat (heating the slide will expand it and make even tighter) you could try leaving it in a bucket of boiling water (replace the water when it cools

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16 Jul 2024 14:28 #902207 by Nessism
Use a torch, on all sides of the carb body.  I strongly recommend unganging the carbs first.  You can't properly clean the carbs while ganged together anyway.

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  • gd4now
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  • Denco where did you go?
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16 Jul 2024 14:35 #902210 by gd4now
I agree with Ed, unganging the carbs and heat on the carb in question, it certainly has worked for me in the past.

1977 KZ650 B1
Pods and Denco header


OLD KAW OWNERS SMILE ALOT

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16 Jul 2024 16:19 #902221 by Cra-z1
Boiling water if you don't hav an ultrasonic cleaner. Yes separate them

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16 Jul 2024 17:53 - 16 Jul 2024 17:55 #902229 by sf4t7
Heat the aluminum carb body as suggested above, then try carefully spraying the inner part of the slide itself with brake cleaner to cool the slide a little (you did remove the top cap from the carb body, didn't you?) Then tap the slide and gently pry from the bottom to free the slide. Might take several tries.  Be patient.


Scotty

1974 Z1A
1015
welded Z1 crank
Andrews 1X Cams
Delkevic 4 into 1
Superbike bars
530 conversion
Last edit: 16 Jul 2024 17:55 by sf4t7. Reason: Text
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27 Jul 2024 19:41 #902605 by chopper1963
Replied by chopper1963 on topic Slide Biblically Stuck In CV Carb & Will Not Move
We hit the carb body with a heat gun and then sprayed it with ice water and it released. I did not take the carbs off the rack FYI.

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27 Jul 2024 19:56 #902607 by TexasKZ
They will need to be off the rack to get the passageways between the carbs clean and to replace the orings on the connecting tubes.

1982 KZ1000 LTD parts donor
1981 KZ1000 LTD awaiting resurrection
2000 ZRX1100 not ridden enough

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28 Jul 2024 04:45 #902610 by sf4t7
Why do so many guys try to avoid un-ganging the carbs?  It's not a hard job to separate and assemble them.  Just my 2c.   


Scotty

1974 Z1A
1015
welded Z1 crank
Andrews 1X Cams
Delkevic 4 into 1
Superbike bars
530 conversion
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28 Jul 2024 05:14 #902611 by Move0ver
I think its understandable to want to do it as a last resort. 
I know I prefer not to if I can avoid it. 

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28 Jul 2024 05:26 #902612 by asphalt900
Replied by asphalt900 on topic Slide Biblically Stuck In CV Carb & Will Not Move
I agree sf4t7 but the task can be daunting for someone who hasn't done it before. And because i always seem to get banks of various carbs already "rebuilt", i really wish they had just left them alone before the attempt!! Just ask Ness, ha ha. Chopper i'm sure Ness could easily come-up with a kit of those fuel o-rings for You! Nice to do it now before you install them and find-out later. Luckily yours are truly straight foreword, no linked choke plates and tiny wound springs to contend with. I do my share of these, Keihin VB's. Used on a lot of the CB's of late 70's thru early 80's. So consider what you have in comparison pretty easy!   
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28 Jul 2024 09:55 #902619 by chopper1963
Replied by chopper1963 on topic Slide Biblically Stuck In CV Carb & Will Not Move
<<Why do so many guys try to avoid un-ganging the carbs?  It's not a hard job to separate and assemble them.  Just my 2c.    >>

Why the F do you think? Because it's a bitch to do and there's always a chance, a strong chance in this case as these were drained and blown out in like 1986, that they will be operational.

Pretty sure the correct term here is separating

Unganging is what the streets of Oakland need.

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