SOHC.co.uk Forums > CB500/550
Carb Cleaning Tips?
K2-K6:
If you've a wallpaper stripper or similar, then a steam nozzle can often be an easy way to get gluey carb parts apart.
Looks like someone has already been in there before you with that slide damage, not too bad in reality and likely to clean up with "light" dremmel fettle or by hand with emmery cloth.
Bryanj:
That damage is using a screwdriver to lever it open
Mike_Berkshire:
A good quirt of WD40 and a couple of hours later I used a pencil as a drift; tapered end cut blunt and seated onto the top of the tube - came out easily.
I'll use some very fine grit wet and dry on a flat surface to take the burrs off.
Laverda Dave:
I use clock cleaning fluid on the brassware. I pour some into a jar (you have to dilute it) and leave the brassware to soak for a couple of hours. Once rinsed I put them into the ultrasonic bath with carb cleaning fluid from Allendale.
I got the tip for clock cleaning fluid from the Repair Shop on TV and after watching an Allan Millyard video where he used it on some Z1 carbs.
K2-K6:
--- Quote from: Laverda Dave on March 26, 2024, 09:31:31 PM ---I use clock cleaning fluid on the brassware. I pour some into a jar (you have to dilute it) and leave the brassware to soak for a couple of hours. Once rinsed I put them into the ultrasonic bath with carb cleaning fluid from Allendale.
I got the tip for clock cleaning fluid from the Repair Shop on TV and after watching an Allan Millyard video where he used it on some Z1 carbs.
--- End quote ---
Interesting lateral thinking there Dave, seems appropriate to the materials in the jets themselves.
List of ingredients here
3. COMPOSITION/INFORMATION ON INGREDIENTS
Component CAS Number Percentage
WATER 7732-18-5 10 - 25
ISOPROPYL ALCOHOL 67-63-0 20 - 25
OLEIC ACID 112-80-1 5 - 10
PINE OIL 8002-09-3 5 - 10
AMMONIUM HYDROXIDE 1336-21-6 30 – 40
The exact concentration of composition has been withheld as a trade secret
Ph listed as 11.5 on msds sheet, for the concentrate.
Camera technical often use "lighter fluid" for old and gummy parts, quite effective too.
The steam suggestion comes from analytical chemical laboratory in which the glass vessels are routinely steamed to remove residue, sometimes "tarring" that's similar to that whichbwe get in carbs etc.
A number of different solutions to try.
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