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Old 05-22-2006   #1 (permalink)
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How much hard work is it to polish out scratches in Aluminium?

The Triumph handle bar clamp on my Bonnie is scratched (was when I bought it) so thought I'd try and polish them out.

cheers,
Anne
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Old 05-22-2006   #2 (permalink)
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Try Semi-Chrome. Works nicely and should do surface stuff very well.
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Old 05-22-2006   #3 (permalink)
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It's real easy, but theres one consideration.....is the part coated? i believe that part is, tho i don't have that on my speedy so i can't say 100%. Anyway, take some wet&dry sandpaper of maybe #400 grit and sand it all down till scratches are gone. then take several more grades of wet&dry ending with a very fine grade like 1500 or 2000 and sand till it's as smooth as it'll get. By the way, if you aren't familiar with wet&dry you sand using water to lubricate, drying the part off occasionally to check your work. Once done take some metal polish and polish it out to a nice scratch free shine. Mothers mag and aluminum polish is great for this. You can get mothers at any auto part chain and wet&dry paper at auto paint shops. Actually you can get it at many hardwares stores too, but they rarely carry anything above #800 grit.

Done right it'll make aluminum look like chrome. however, the shinier you make it the more it will scratch up and look bad just by cleaning with a cloth. Thats where coating it in some sort of clear coat is good.

of course if the scratches are not deep at all and only very light surface scratches, as brooksie said simichrome may work w/o having to sand. But then if it's coated you will likely remove the coating in the scratched area making it look uneven so you'd have to remove the coating on the whole part. And sanding will probably be easier in getting all the coating off.

[ This message was edited by: dazco on 2006-05-22 14:39 ]
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