SOHC.co.uk Forums > CB500/550
Rusty tank restoration
Siloxious:
Hello everyone
I'm currently restoring the fuel tank (inside). I filled the whole tank with white vinegar and let it sit for 48 hours. The results are quite good. But now I need to treat the aluminium against corrosion. I plan on using WD-40 to coat the inside of the tank (I plan on using a lot of WD-40). After soaking for a bit, I'll fill the tank again with fuel (I think the best fuel for the CB500 Four is E95?).
Is the WD-40 a good protection against corrosion?
Is this the right fuel that I'll be using?
Thanks in advance!
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Orcade-Ian:
Er,
Which bits are aluminium? Whatever you put in the tank will get washed away with the fuel fairly quickly. If it's just for storage, then diesel swished around is better. Those pits in the surface look quite deep. When you have finished cleaning, I would fill it with petrol before any painting, just in case of pin holes appearing.
Ian
Did you mean E5? Here in UK we only have E5 and E10
Siloxious:
Here in Belgium E95 is used a lot in cars, so I thought this could be the same fuel type for motorcycles.
What fuel do you use?
Orcade-Ian:
Ah!
I think you will be referring to 95 Octane fuel, that is also available here. E5 here is 5% ethanol content, E10 is 10%. We would run a mile - or a few kilometres if we saw E95 on the pumps - that would be 95% ethanol and our old Honda engines would probably dissolve before our eyes!
Ian
McCabe-Thiele (Ted):
The tank on my 400 was similar to yours - I would use something like a fine gravel now with some Diesel to act as a mild abrasive to remove any loose flakes of rust. I actually used some flower arrangers glass beads. When you have removed the gravel I would soak it again in something similar to Evaporust.
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