Honda-SOHC
SOHC.co.uk Forums => CB500/550 => Topic started by: Noelia on June 06, 2015, 09:18:43 AM
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Last night I've started dismantling the carbs, everything is out now, but I can't get them clean at all, I've soaked everything in cabs cleaner and then used a brush to help. But there is still rust or corrosion I don't know what's that stuck on the walls.
Any tips?
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I had a few stationary engine carbs like that and found a bit of washing up liquid and a sonic cleaning bath, mine was £30 or so at Lidl, so not anything fancy or expensive was enough with a toothbrush to scrub afterwards had the carb sufficiently cleaned to do its job. I had the sonic cleaning bat running for a whole afternoon mind, just for 1 carb, you have 4. Probably worth getting someone with better sonic cleaning baths than the cheap ones.
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What if i take them for professional cleaning? How much could it cost?
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I think when my mate was offering this service he was asking £10 per carb, but that was a while back.
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I'm going to try soda blasting this afternoon. http://youtu.be/KULVhW2tw4I
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Hey Noelia,
I guess you have sorted this now but will reply for anyone searching in the future. I think this is Aluminium Oxide, usually caused by water ingress. My number 4 float bowl was caked and I had the same difficulty getting rid. However, a QUICK brush with 15% hydrochloric and a thorough rinse completely removed it. I had before and after pictures but they were on the phone I lost (along with all my build pictures to date).
Hope this helps anyone in the same predicament.