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Best way to polish fins?
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Guest repliedI sanded and polished my fins on my Yamaha V Star 1100 Classic and love the look, also been sanding and polishing part sof my restoration/bobber project (82 GS1100GL). I used 120, 220, 320 and 400 sandpaper then Mother's polish. it will turn black and wipe off with clean cloths then afterwards use a nice microfiber cloth and it will shine.
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Guest repliedFor squaring off fins I use 220 sandpaper on a hard rubber sanding block. And after paint I use sandpaper 400-1000 grit. The block does make it easier. I have also used a palm sander to speed up the process, but that only works when you have the motor out of the frame.
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Guest replied -
Originally posted by Steve View PostI have also been known to use a Roloc wheel, but VERY carefully, it will easily get away from you.
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You are not just cutting down a flat surface ; the finds wrap on front and back. The Roloc would be way to much for the soft aluminum. This is no more than 15 min per side with a flat file.
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I have also been known to use a Roloc wheel, but VERY carefully, it will easily get away from you.
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I used a flat file to square off the fins. You can use a sanding block with 250-400 to finish it off. Then paint the engine. After paint is dry sand the top coat of paint off.
inprobably finished with a very fine 800 grit.
same goes for the cam covers except they won't need as much filing.Last edited by posplayr; 09-28-2014, 02:25 PM.
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Guest repliedafter. it will be much easier
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Sand and polish before I paint or after? I was thinking of doing all the polishing before I paint and then either mask the fins first using 1/8" tape or wipe off the black on the edges using acetone after.
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Best way to polish fins?
I've seen a lot of black engines with the first few rows of fins on the head polished on the edges. Any suggestions on how to do it?Tags: None
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