Discolored Engine Fins
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Cruiser
Joined: Jun 2010
Posts: 199
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From: Queens,NY
Discolored Engine Fins
long story short, friend of mine has a Moto Guzzi w/the engine being gray/silver kind of like what the pc HD models have. Afte riding it for aboout 45 min w/me he grabbed a rag that unknowingly to him had rim polisher/cleaner on it and he went to town on his fins. Now they are yellowy/brownish color...does he spray them w/high temp paint or this there a cleaner out in the market.
Thanks for the help guys even though he's not a fellow HD rider....yet!
Thanks for the help guys even though he's not a fellow HD rider....yet!
Road Warrior
Joined: May 2010
Posts: 1,382
Likes: 4
From: Kennewick, WA
long story short, friend of mine has a Moto Guzzi w/the engine being gray/silver kind of like what the pc HD models have. Afte riding it for aboout 45 min w/me he grabbed a rag that unknowingly to him had rim polisher/cleaner on it and he went to town on his fins. Now they are yellowy/brownish color...does he spray them w/high temp paint or this there a cleaner out in the market.
Thanks for the help guys even though he's not a fellow HD rider....yet!
Thanks for the help guys even though he's not a fellow HD rider....yet!
I don't understand. Why would he paint them? Just clean and polish the fins with a metal polish like Brasso or Nevr-Dull.
It sounds like the rag was previously used on a different metal and that was burnished into his aluminum fins. It will take a bit of polishing (ultra-fine abrasive) to remove this thin layer of discoloration. This time use clean rags on it.
Perhaps a rag wetted with denatured alcohol will remove it.
You'll just have to experiment with the less drastic measures first.
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black, cleaning, davidson, degreaser, discolor, discolored, discoloring, dull, engine, fins, harley, metal, motorcycle, motors, nevr
