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Another stupid polishing thread. Engine fins this time.

  • Thread starter Thread starter fat_sac
  • Start date Start date
F

fat_sac

Guest
I'm polishing my engine on the bike right?..cool. I have everything to do the cases and the small crevices and all that good stuff. The only thing I'm wondering is if anyone has found a decent way to do the fins. I tried just pressing my wheel up against it and that didn't work very well. Not only will it stay steady but it just doesn't do anything. Can anyone help me? I did a search but nothing came up on this particular topic.
 
Sandblast it first....than sand with 400....600...1000....1500.

I usually just sandblast by fins....gives it a clean look.


Good luck!
 
A dremel or at least a decent drill with some nice fine sanding, buffing and polishing bits are also your friend. Still take a lot of time, but less elbow grease. Don't forget the Mother's Aluminum Polish when you get to the buffing stage.
 
Holy poo that doesn't sound fun. I was looking for a way to do it on the bike, but it looks like theres no way out of this nasty business. Thanks for the info.
 
Hi there,

Do you have any inlet rubbers, speedo and tacho back covers for the 1979 GS1000 please
 
I've polished case covers but never cylinders....


All I do is take some #0000 synthetic wool and scrub between the fins to clean up any oxidation. The wool leaves a nice satin finish, and won't leave scrub marks if you use fine enough wool.

After that, I'll take some fine-grit wetsanding paper and polish the edges of the fins, finishing with polishing rouge using a polishing wheel on my corded drill. Looks great - matte finished engine, polished covers and polished edges around the fins.




-Q!
 
I've polished case covers but never cylinders....


All I do is take some #0000 synthetic wool and scrub between the fins to clean up any oxidation. The wool leaves a nice satin finish, and won't leave scrub marks if you use fine enough wool.

After that, I'll take some fine-grit wetsanding paper and polish the edges of the fins, finishing with polishing rouge using a polishing wheel on my corded drill. Looks great - matte finished engine, polished covers and polished edges around the fins.




-Q!

I think I'll try this. I might try the baking soda idea too just for kicks. It sounds like it might be less painful than the steel wool idea.
 
Keep us posted

Keep us posted

I will be doing some cleaning in the near future. \\:D/ Let me know how yours turns out.

Bob
 
I just stripped and re-painted my block and head (off the bike). Used aircraft stripper and 600 grit sandpaper. The prep for that was hard enough, I can't imagine trying to shine up the whole block with the engine in one piece and on the bike!
 
I just stripped and re-painted my block and head (off the bike). Used aircraft stripper and 600 grit sandpaper. The prep for that was hard enough, I can't imagine trying to shine up the whole block with the engine in one piece and on the bike!

Your block had clear on it? I know the head cover is cleared, but didn't realize the finned parts were.
 
Your block had clear on it? I know the head cover is cleared, but didn't realize the finned parts were.

I don't know what was on the block.....some kind of paint. Here's a pic of at least part of the job...........what a pain.

IMG0112_100.jpg
 
I don't know what was on the block.....some kind of paint.

Geez... I hope that was from a PO. I scrubbed mine clean with Purple Power and then scrubbed it again with MEK. I didn't see any flaking or corrosion.... I hope it's bare. I just primed it yesterday!




 
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