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Cleaning carbs today. Throw tips at me.

  • Thread starter Thread starter M.Hayes.GS450TX
  • Start date Start date
Looks like Napa can order it, but thats info on other forums. Cant find it on the site. Best of luck!
 
i am currently using CLR Clear in an ultrasonic cleaner.. heated to 40 DegC and running for about an hour..

I borrowed a sonic cleaner from work but it is a tiny one and very time consuming as i have to turn the carb over to do both sides.. i have just today ordered a 3L capacity ultrasonic for $170 delivered. I will wait for that to turn up and recommence the task. This size will allow the carb body to be totally immersed

I also used a fishing tackle box to safely store all parts for each carb as the 750 has 4 carbies.. i imagine it would be too easy to mix them up.

I have kept all parts from each carby separate to make sure they all go back into the original carb.

I splashed out on the cleaner because i have 3 more carb sets to do after this one is done.
 
stangas said:
i am currently using CLR Clear in an ultrasonic cleaner.. heated to 40 DegC and running for about an hour..

I borrowed a sonic cleaner from work but it is a tiny one and very time consuming as i have to turn the carb over to do both sides.. i have just today ordered a 3L capacity ultrasonic for $170 delivered. I will wait for that to turn up and recommence the task. This size will allow the carb body to be totally immersed

I also used a fishing tackle box to safely store all parts for each carb as the 750 has 4 carbies.. i imagine it would be too easy to mix them up.

I have kept all parts from each carby separate to make sure they all go back into the original carb.

I splashed out on the cleaner because i have 3 more carb sets to do after this one is done.
Click to expand...

You can't really mix up the carbs, they go back together on the gang plates in a specific order (fuel transfer tubes, breather Ts, choke linkage etc.). Though it is a good idea to make sure all the individual parts go back into the same carb they came out of.
 
mrbill5491 said:
Though it is a good idea to make sure all the individual parts go back into the same carb they came out of.
Click to expand...
Does it really make all that much difference? The only part that might matter would be the slide, but they are not custom-fitted at the factory. As long as it slides, it should be fine.

I think the only other part that might matter would be the float needle and seat, but I tend to replace them anyway.
icon_shrug.gif


.
 
stangas said:
i am currently using CLR Clear in an ultrasonic cleaner.. heated to 40 DegC and running for about an hour..

I borrowed a sonic cleaner from work but it is a tiny one and very time consuming as i have to turn the carb over to do both sides.. i have just today ordered a 3L capacity ultrasonic for $170 delivered. I will wait for that to turn up and recommence the task. This size will allow the carb body to be totally immersed

I also used a fishing tackle box to safely store all parts for each carb as the 750 has 4 carbies.. i imagine it would be too easy to mix them up.

I have kept all parts from each carby separate to make sure they all go back into the original carb.

I splashed out on the cleaner because i have 3 more carb sets to do after this one is done.
Click to expand...

i always turn the carbs during U/S cleaning anyway, front and back, top and bottom. it makes sure all the bubbles get into every little orifice from every angle. 20 minutes at each position
 
stangas said:
i have just today ordered a 3L capacity ultrasonic for $170 delivered. I will wait for that to turn up and recommence the task. This size will allow the carb body to be totally immersed
Click to expand...

Which one did you purchase?

Cheers
 
Steve said:
Does it really make all that much difference? The only part that might matter would be the slide, but they are not custom-fitted at the factory. As long as it slides, it should be fine.

I think the only other part that might matter would be the float needle and seat, but I tend to replace them anyway.
icon_shrug.gif


.
Click to expand...

Just the way I was taught in mechanics classes. Two surfaces that have been wearing against each other that long have more or less fitted themselves to each other (for the lack of a better term I suppose.) Applies to the vacuum slides, choke pistons (CV carbs), maybe the idle mixture screws.
 
I am rebuilding my carbs.. VM's for a 78 gs750.. I dipped all the carb bodies in barrymans.. are you supposed to leave them in over night? the directions on the can say no more then 4 hours.. so I am a little reluctant to leave them in longer. BUT I have been reading that guys leave them in over night.
 
ATNasty said:
I am rebuilding my carbs.. VM's for a 78 gs750.. I dipped all the carb bodies in barrymans.. are you supposed to leave them in over night? the directions on the can say no more then 4 hours.. so I am a little reluctant to leave them in longer. BUT I have been reading that guys leave them in over night.
Click to expand...
The directions on my cans say "15 to 30 minutes", but I think that they were written WAY back, when the chemicals were actually strong enough to do the job in that amount of time. Because the chemical companies now have to be concerned about hazardous exposure and all that, the chemicals tend to be weaker, so we recommend leaving the parts in for 15 to 30 HOURS. Yes, not just 'overnight', but a full day. There have been reports of carbs being left in "the dip" for several days, the only problem seems to have been a bit of discoloration.

.
 
Yeah, I forgot one when I went to work, when I came back a month later it was fine.
 
Cool! Thanks guys.. They are sitting in some dip now. Also i know this is a bit off topic but i number the carbs a few months ago and they came off. How important is it to have them in order? I know the order of 3 and 4 but 1 and 2 i mixed up and can tell what is what..
 
ATNasty said:
Cool! Thanks guys.. They are sitting in some dip now. Also i know this is a bit off topic but i number the carbs a few months ago and they came off. How important is it to have them in order? I know the order of 3 and 4 but 1 and 2 i mixed up and can tell what is what..
Click to expand...

the No.1 carb does not have a nipple on it for a vacuum or breather pipe like the other 3 have, and the fuel transfer gallery is blocked off on the l/h side
 
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