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SOHC.co.uk Forums
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CB350/400
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CB 400/4 Front Disc need ideas for Cleaning up .
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Topic: CB 400/4 Front Disc need ideas for Cleaning up . (Read 1994 times)
THUNDERDOWNUNDER
SOHC Member
Posts: 128
CB 400/4 Front Disc need ideas for Cleaning up .
«
on:
November 07, 2020, 06:12:55 AM »
Lots of Dodgy ideas on YouTube so thought I would ask the experts . Help !
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taysidedragon
SOHC Master
Posts: 1775
Re: CB 400/4 Front Disc need ideas for Cleaning up .
«
Reply #1 on:
November 07, 2020, 10:31:56 AM »
What's the problem with it? Rubbing with steel wool should clean the disc surface ok. Wipe after with white spirit, let it dry. Good to go.
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Gareth
1977 CB400F
1965 T100SS
McCabe-Thiele (Ted)
Grogu
Posts: 8242
Re: CB 400/4 Front Disc need ideas for Cleaning up .
«
Reply #2 on:
November 07, 2020, 11:43:39 AM »
On cars I used to spin the wheels (usually front wheel on RWD) whilst applying the brakes having previously fitted a Wet & Dry paper pad between disc & pad - usually 180 grit to break the glaze. The wife had the job of applying light pressure so when it ripped it was her fault. lol
Back in the 1970's when unsold new cars were stored in fields near the ports one manufacturer actually supplied an insert to clean off storage surface rust!
Wire wool is probably easier - I have also found that the sponge type scouring pads are quite good - not White ones they are too soft but the green ones - they will actually scratch windscreen glass.
«
Last Edit: November 07, 2020, 06:32:19 PM by Macabethiele
»
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Honda CB400NA Superdream (current money puddle)
Honda CB500 K1 (second money pit)
https://www.sohc.co.uk/index.php/topic,28541.0.html
Honda CB400 four super sport (first money pit)
Link to my full restoration
http://www.sohc.co.uk/index.php/topic,23291.0.html
This is a neat 500 restoration in the USA.
http://forums.sohc4.net/index.php/topic,151576.msg1731556.html#msg1731556
THUNDERDOWNUNDER
SOHC Member
Posts: 128
Re: CB 400/4 Front Disc need ideas for Cleaning up .
«
Reply #3 on:
November 08, 2020, 08:03:01 AM »
I would just like them to look better there is minimal scoring and thought may be a clean up on a lathe might be the go but it says on the Disc MIN THK 6 MM and I only have about 7 MM THK now . So better not go down that path !.
Depth 6 MM
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Bryanj
Grogu
Posts: 12189
Re: CB 400/4 Front Disc need ideas for Cleaning up .
«
Reply #4 on:
November 08, 2020, 08:23:04 AM »
And stainless is a real swine to turn cleanly
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THUNDERDOWNUNDER
SOHC Member
Posts: 128
Re: CB 400/4 Front Disc need ideas for Cleaning up .
«
Reply #5 on:
November 08, 2020, 09:20:00 AM »
Some pics of the Job
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amx1992
Guest
Re: CB 400/4 Front Disc need ideas for Cleaning up .
«
Reply #6 on:
November 08, 2020, 09:30:26 AM »
Just skimmed mine, i like working with stainless, turns nicely. Would have been a lot easier if po hadnt drilled holes in it
[ Guests cannot view attachments ]
My disk wasnt in great condition, but i only ended up having to take 0.2mm off per side
«
Last Edit: November 08, 2020, 09:33:59 AM by amx1992
»
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Colonial-Clive (yindi)
Colonial_clive
SOHC Expert
Posts: 263
Re: CB 400/4 Front Disc need ideas for Cleaning up .
«
Reply #7 on:
November 08, 2020, 11:38:42 AM »
I used a flapper disk on the angle grinder and lightly passed it over mine, it took all the crud off and left no scoring.
Lightly being the key word here.
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THUNDERDOWNUNDER
SOHC Member
Posts: 128
Re: CB 400/4 Front Disc need ideas for Cleaning up .
«
Reply #8 on:
November 09, 2020, 07:03:13 AM »
Thanks for the info Guys . Will keep you posted on progress !
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THUNDERDOWNUNDER
SOHC Member
Posts: 128
Re: CB 400/4 Front Disc need ideas for Cleaning up .
«
Reply #9 on:
November 12, 2020, 08:30:47 AM »
News Update . Sleazed up a treat . Used wet and dry with a sprinkling of WD40 . Clean
as a whistle now !
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CB 400/4 Front Disc need ideas for Cleaning up .