SOHC.co.uk Forums > CB750
DIY ultrasonic carb cleaning results
Nurse Julie:
You can never 'over clean' them so I don't think the length of time is over critical. Screen wash with de ionised water is good. I can't understand how limescale remover works as I thought it was caustic based and would make everything go black as all alloy does when exposed to anything caustic.
hairygit:
Don't use limescale cleaner, it's an acid, and all acids can damage/discolour alloy parts!
Nurse Julie:
--- Quote from: hairygit on June 17, 2018, 09:08:17 PM ---Don't use limescale cleaner, it's an acid, and all acids can damage/discolour alloy parts!
--- End quote ---
That's probably what I mean Mr Hairy. I don't know if caustic is an acid but all I do know is it makes alloy go black.
K2-K6:
Yep, limescale is dissolved in acid so those solutions for bathroom taps, kettles etc are all acidic and most likely acetic.
Caustic is alkaline generally, the opposite of acid. Good for removing baked oils and fats like ovens, two stroke exhausts etc and cleaning plug holes that are blocked. Activate with hot water and will blacken alloys containing aluminium.
kevski:
The only acid to use on the carbs is nitric, any other acid will erode the bodies, caustic based solutions will do the same, use at your own risk. The white powdery stuff is oxidization and can be a pain, best plan is to clean the carbs and get them back on and working again quickly, if you want the bodies to come up shiny have them soda blasted.
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