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just looking for a few opinions, i have an ultra sonic cleaner i bought from Harbor freight... ( dont laugh please) it works pretty well i think, sometimes after 2 cleanings for stubborn dirt. i bought the solvent from harbor freight... what kind of cleaners do ya all use ?? im thinking of trying Dawn dish detergent.

If going with Dawn get the Dawn Platinum version.

It is a lot cheaper as you want change the solution as it gets dirty. Depending how the carbs or other parts will determine how often you change it out. And it is important to pre-clean the items exterior of most of the loose grime first. And it doesn't run a rinse cycle after cleaning [basically just plain water].

I have been using Dawn for years with goods results. My problem was I outgrew that small size unit quickly and now use a larger 10 liter model.

StarTech said:

If going with Dawn get the Dawn Platinum version.

It is a lot cheaper as you want change the solution as it gets dirty. Depending how the carbs or other parts will determine how often you change it out. And it is important to pre-clean the items exterior of most of the loose grime first. And it doesn't run a rinse cycle after cleaning [basically just plain water].

I have been using Dawn for years with goods results. My problem was I outgrew that small size unit quickly and now use a larger 10 liter model.

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thats good advice, i am in the habit of blowin the dirt off the outside with carb cleaner and an air nozzle. and i have been changing it every use. ive prolly only done 15 carbs since i bought it.

I have been using the Simple Green Pro HD that is metal safe. It cleans well and doesn't discolor metals. The orange big box hardware store has it by the gallon. I use about a cup and clean hot water.

sgkent said:

I have been using the Simple Green Pro HD that is metal safe. It cleans well and doesn't discolor metals. The orange big box hardware store has it by the gallon. I use about a cup and clean hot water.

https://www.homedepot.com/pep/Simple-Green-Pro-HD-Heavy-Duty-Cleaner-1-Gallon-2110000413421/100550784?source=shoppingads&locale=en-US&fp=ggl&pla=&mtc=SHOPPING-BF-CDP-GGL-D28I-028_004_CLEANING-NA-NA-NA-PMAX-NA-NA-NA-NA-NBR-NA-NA-NA-PMAX_SHP_JControl24&cm_mmc=SHOPPING-BF-CDP-GGL-D28I-028_004_CLEANING-NA-NA-NA-PMAX-NA-NA-NA-NA-NBR-NA-NA-NA-PMAX_SHP_JControl24-20455393822--&gclsrc=aw.ds&gad_source=1&gad_campaignid=20278984047&gbraid=0AAAAADq61UcaIZiG3My97zreX-GE-SK3g&gclid=CjwKCAiAxc_JBhA2EiwAFVs7XHaupxnPF-InN-7xvG4FWg7ZVN0v4LmXA1157YCbrJR4EQ2KF2XgahoCOf4QAvD_BwE

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thanks for the tip, i was thinking of a degreaser/detergent

On carbs that are dirty/gunky on the outside if I cannot remove enough of the gunk by hand cleaning first I sometimes give them a heated run or two before taking them apart so as to clean the outside. It also seems to help them come apart easier and lets the gaskets relax somewhat.
I just use Dawn and water.
I do not use heat on several of the old vintge NLA replacement chainsaw carbs and just give them a quick US run Some have non-serviceable internal check valves (walbro is one make) that are old and heat will distort and ruin the check valves.
I got one that is large enough to do Automotive carbs (quadrajets) and other parts and mine has manual controls. (holds about 2 1/2 gallons of liquid)

At first I tried the more expensive US cleaners but only use them when doing brass or other metals. (not necessary for carbs)

I use distilled water with a little bit of Dawn or simple Green Pro after the carburetor has had all heavy external debris removed.

Note: Do not use too much cleaner because it defeats the purpose of ultrasonic action of the machine.