Heya guys, looking for some advice on what this scaling could be and how to remedy it. It's on a bike I'm thinking of buying and doing a light restore on. The previous owner to current put clear over the top, no idea why it doesn't help. Is this normal ally oxidizing? what is the remedy? I assume sand back and polish with autosol or similar?
It's normal, just old age. They do respond well to de-greasing and repainting with UHT paint. it is a big job, ideally you want the engine out of the frame and the carbs and rad off. the other option is to just clean it up in situ and leave it. the fairing covers most of it.
Not gonna lie, that looks REALLY BAD. I've never seen an engine that bad. I have taken engines out and hit them with a wire brush on a cordless drill. Both came out superior in my humble opinion. a 93 and a 99. I then painted them with VHT Engine block paint. To do it right and have a job to be proud of afterwards, its worth it to do it right. I brushed, cleaned (with brake cleaner), brushed, cleaned again, primed two coats, painted 2 coats, and cleared 2 coats. Years later and some fuel spill on them still look the treat :thumb:
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