Author Topic: Honda CB400four crank/conrod color bearing game  (Read 537 times)

Offline eem46

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Honda CB400four crank/conrod color bearing game
« on: November 11, 2021, 07:12:16 PM »
Dear All, I would like your knowledge and advice on which color codes bearings these are:

And this is a different set of crankcases, than the rollerbearing marks (see other post)

Crankcase stamping BBCBB
Crank A1 B1 B2 B2 2
Conrods 2 3 2 1

So that makes for the crank: B1 B1 C2 B2 B2
Green Green xxxx Brown Brown, what is C2 crank?

Conrods: A2 B3 B2 B1
Yellow Brown, B2 and B1 are?

Please add and confirm the color

Thank you a lot

Kind regards,

Emiel

Offline Deano400

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Re: Honda CB400four crank/conrod color bearing game
« Reply #1 on: November 11, 2021, 07:57:40 PM »
Crank
Green Green Black Brown Brown
Con
Yellow Brown Green Yellow

Offline eem46

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Re: Honda CB400four crank/conrod color bearing game
« Reply #2 on: November 11, 2021, 08:04:00 PM »
Thank you very much! Kind regards Emiel

Offline Deano400

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Re: Honda CB400four crank/conrod color bearing game
« Reply #3 on: November 11, 2021, 08:07:09 PM »
From the parts book.
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Offline McCabe-Thiele (Ted)

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Re: Honda CB400four crank/conrod color bearing game
« Reply #4 on: November 11, 2021, 11:45:44 PM »
You were probably thinking it anyway - I would use Plastigauge to check the final oil film thicness.
Honda CB500 K1 (new pit dug out ready)
Honda CB400 four super sport (first money pit)
Link to my full restoration http://www.sohc.co.uk/index.php/topic,23291.0.html

Offline eem46

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Re: Honda CB400four crank/conrod color bearing game
« Reply #5 on: November 12, 2021, 03:31:50 PM »
Yes I will double check, first need to find a black crankcase bearings 😁

 

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