Honda CB750 Sandcast

Restoring RH handlebar control knob

markb · 35 · 11106

markb

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Anyone have a good method for restoring the color to the RH control knob.  I need to save this rare pointerless knob.  It seems like there should be some kind of polish.  I was even thinking of using a semi-gloss black paint.

Mark B
1969 CB750 sandcast #97 restored - Sold Restoration thread link
1969 CB750 sandcaxt #576 - Sold
1969 CB750 sandcast #1553 - Sold
1969 CB750 sandcast #1990 - Sold
1969 CB750 sandcast #5383 restored - Sold Restoration thread link
1970 CB750 K0 restored - Sold
2010 H-D Tri Glide Ultra Classic (Huh?)


4pots1969

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These are UV that are responsible for its state whitish... You can bring back it to its original appearance with polish for painting car and a soft tooth brush.. It is completely recoverable because mine was worse... (state same as that of the photo)... Here it is now on the second picture and it is not yet finished.
The polish is going to regenerate the surface by removing this fine whitish layer...
Johnson polish Renovator Special for car paint oxidized and tarnished.
« Last Edit: August 28, 2015, 05:11:24 am by 4pots1969 »


markb

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Your results look great!  I tried googling "Johnson Polish Renovator Special" with no luck.  Where can I find it?
Mark B
1969 CB750 sandcast #97 restored - Sold Restoration thread link
1969 CB750 sandcaxt #576 - Sold
1969 CB750 sandcast #1553 - Sold
1969 CB750 sandcast #1990 - Sold
1969 CB750 sandcast #5383 restored - Sold Restoration thread link
1970 CB750 K0 restored - Sold
2010 H-D Tri Glide Ultra Classic (Huh?)


4pots1969

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Mark,
Sincerely, I do not know because this product was purchased about 1985, at the time most of the paintings did not varnish and they are oxidized and tarnished by the sun.
Today this product has become completely obsolete because all cars paintings are varnished.
The brand Johnson is U.S... Why not try to contact them?
Gerard
« Last Edit: August 28, 2015, 04:42:54 am by 4pots1969 »


Garry32

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Mark I was browsing similar items and came across these on eBay surely they do the same job
141539344899
121419459739
These are the Ebay item numbers but in the UK, I would have thought they do something similar over in the U.S.
Thanks Garry :)


Garry32

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Mark the Johnson polish as 4pots says is a very old  product , but similar still available on the German Ebay site please see photo.
Garry :)


Garry32

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Sorry missed two photos off.
Garry :)




markb

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Thanks for all your help guys!
Mark B
1969 CB750 sandcast #97 restored - Sold Restoration thread link
1969 CB750 sandcaxt #576 - Sold
1969 CB750 sandcast #1553 - Sold
1969 CB750 sandcast #1990 - Sold
1969 CB750 sandcast #5383 restored - Sold Restoration thread link
1970 CB750 K0 restored - Sold
2010 H-D Tri Glide Ultra Classic (Huh?)


4pots1969

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The thanks is too much... A good restaurant will suffice!! ::) ::) :D :D ;)
« Last Edit: August 30, 2015, 11:06:17 am by 4pots1969 »


markb

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I'm guessing it would have to be Japanese.  :D :D
Mark B
1969 CB750 sandcast #97 restored - Sold Restoration thread link
1969 CB750 sandcaxt #576 - Sold
1969 CB750 sandcast #1553 - Sold
1969 CB750 sandcast #1990 - Sold
1969 CB750 sandcast #5383 restored - Sold Restoration thread link
1970 CB750 K0 restored - Sold
2010 H-D Tri Glide Ultra Classic (Huh?)


4pots1969

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Not necessarily...  I leave you the choice... :D ;)
« Last Edit: August 31, 2015, 03:05:12 pm by 4pots1969 »


markb

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Here’s a product I found that is supposed to remove oxidation.


I made amazing progress in the first 5 minutes using a toothbrush.  But ½ hour later it didn’t got any better.  I think it’s still too grey.  Would some plastic polish help?


Mark B
1969 CB750 sandcast #97 restored - Sold Restoration thread link
1969 CB750 sandcaxt #576 - Sold
1969 CB750 sandcast #1553 - Sold
1969 CB750 sandcast #1990 - Sold
1969 CB750 sandcast #5383 restored - Sold Restoration thread link
1970 CB750 K0 restored - Sold
2010 H-D Tri Glide Ultra Classic (Huh?)


markb

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Anyone ever try black shoe polish?  ???
Mark B
1969 CB750 sandcast #97 restored - Sold Restoration thread link
1969 CB750 sandcaxt #576 - Sold
1969 CB750 sandcast #1553 - Sold
1969 CB750 sandcast #1990 - Sold
1969 CB750 sandcast #5383 restored - Sold Restoration thread link
1970 CB750 K0 restored - Sold
2010 H-D Tri Glide Ultra Classic (Huh?)