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Author Topic: bearing shells  (Read 3774 times)

Offline roverboy

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bearing shells
« on: January 27, 2025, 02:27:41 PM »
my bearings shells
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Offline Bryanj

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Re: bearing shells
« Reply #1 on: January 27, 2025, 03:30:46 PM »
What is the card calibrated in?
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Offline taysidedragon

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Re: bearing shells
« Reply #2 on: January 27, 2025, 05:06:19 PM »
It looks like thousands of an inch Bryan.
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Gareth

1977 CB400F
1965 T100SS

Offline roverboy

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Re: bearing shells
« Reply #3 on: January 27, 2025, 05:34:19 PM »
hi the gauge is in  thousands of a inch
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Offline Bryanj

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Re: bearing shells
« Reply #4 on: January 27, 2025, 06:06:13 PM »
If the gauge is in thousandths you need different plastigauge as the smallest reading is 7 thou and that is waaaay too big for a Honda
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Offline Sesman

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Re: bearing shells
« Reply #5 on: January 27, 2025, 06:06:51 PM »
It tells me your big ends are fooked!
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Offline Bryanj

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Re: bearing shells
« Reply #6 on: January 27, 2025, 06:28:28 PM »
Not necessarily, the clearance is less than 7 thou but until the correct stuff is used we dont know the clearance.

You need to used Red plastigauge not green
« Last Edit: January 27, 2025, 06:31:14 PM by Bryanj »
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Offline McCabe-Thiele (Ted)

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Re: bearing shells
« Reply #7 on: January 27, 2025, 06:55:34 PM »
The wider the squash the tighter the bearing clearance.
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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

Online K2-K6

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Re: bearing shells
« Reply #8 on: January 27, 2025, 07:23:26 PM »
Looks approx 3 1/5 thou (0.088 mm) from that assessment.
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Offline McCabe-Thiele (Ted)

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Re: bearing shells
« Reply #9 on: January 27, 2025, 07:40:50 PM »
Iirc the Plastgauge I used was in a green package.
It was marked as 0.001-0.003".
0.025 - 0.076 mm.

Not sure if that is correct for your engine. Someone here will correct me if I'm mistaken.
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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
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