SOHC.co.uk Forums > CB350/400
White deposits in carbs from Ultra Sonic cleaner
Bitsa (Ralph Wright - RIP):
Nice bit of kit does it do yer chips as well? ;) ;) Just jesting and envious
Cheers
Ralph
AshimotoK0:
It's the one at work Ralph not my 'home' on which is this:-
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Bitsa (Ralph Wright - RIP):
Ash
Might not be at home,Nice to be able to use it though
Excellant
Ralph
AshimotoK0:
After another hour in the large US bath at 55 deg C today the 750 carb still had the white deposits on the inside . This is in total contrast to my K0 750 carbs off my bike that had been stored indoors by it's PO but with fuel in them for 7 years. The K0 carbs came out sparkling clean, after an hour or so, in a much smaller (28litre) US bath I have at home and not in any fancy cleaner, just water and a drop of Fairy Liquid but with the bath heater on.
I reckon if carbs have suffered water ingress corrosion they need mechanical abrasion or soda blasting to remove the white deposits, then US cleaning (like Ralph/Graham said I think) but I am no expert just talking from practical experience. But if the large cleaner I was using does not shift the white deposits I don't think any of the smaller baths or hobby types will touch it.
Or for gummed up carbs you could use a tub of this (out in the open air of course). No PC comments please. :D
http://www.ebay.co.uk/itm/Dichloromethane-99-9-5L-/301501620024?pt=UK_BOI_Medical_Lab_Equipment_Lab_Supplies_ET&hash=item4632e59f38
Nurse Julie:
That's very interesting Ash. I thought I had cracked it yesterday with the carb cleaner and high pressure air. This morning the white deposits were back again, albeit less, so tonight I filled up a 60ml syringe with petrol and have been flushing the carbs through with that. I will let you know what I find in the morning.
Regards
Julie
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