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    Clean Up Head

    I'm replacing the head on my 750, and I'd like to clean it up before I put it on the bike. Could I "sandblast" it with something? I was told you could use fine silica on aluminum, but I dunno. What about walnut shells, plastic beads, etc? Anybody have any experience in this area?
    Kevin
    E-Bay: gsmcyclenut
    "Communism doesn't work because people like to own stuff." Frank Zappa

    1978 GS750(x2 "projects"), 1983 GS1100ED (slowly becoming a parts bike), 1982 GS1100EZ,
    Now joined the 21st century, 2013 Yamaha XTZ1200 Super Tenere.

    #2
    Originally posted by mcycle-nut
    I'm replacing the head on my 750, and I'd like to clean it up before I put it on the bike. Could I "sandblast" it with something? I was told you could use fine silica on aluminum, but I dunno. What about walnut shells, plastic beads, etc? Anybody have any experience in this area?
    Get it glass bead blasted...

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      #3
      I sand blasted a GS550 head years ago. I used cardboard and duct tape to cover the cam area, combustion chambers, intake and exhaust ports. I then used the lowest pressure possible to get the finish I desired, being careful not to blow through the tape or get under the cardboard. A very careful cleanup and my head was looking great. The blaster was filled with very fine sand, I don't remember the grit.

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        #4
        Someone here posted about blasting with baking soda. The pics they posted looked good. It made sense and the residue left behind is water soluble.

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