SOHC.co.uk Forums > CB350/400

Crank Finally Measured by Engineering Firm but I'm confused

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McCabe-Thiele (Ted):
These are the type of web markings you are looking for. In the photo the left is clearly 1A - you can make out a letter on the adjacent web as leter B not sure if its a 1 or 2 from the photo but it's probably clearer in the flesh. I've lost count as to how mant times I looked at my crank in various light conditions to find them - a light wash in petrol is what worked for me as the white was covered in a layer of brown oil deposits.


.crank web by Macabe Thiele, on Flickr

McCabe-Thiele (Ted):

--- Quote from: waffey on November 18, 2021, 02:23:44 PM ---Ted,

great idea, buy one shell green, fit, torque up with plastigauge then measure, move along to the next one.

assume this is what you mean?

--- End quote ---

Exactly.

K2-K6:
Because there appears to be some wear on the crankshaft pins (the holes in rod and case don't usually change as it's the shells taking wear) it's more likely to be brown or black shells if you wanted to guess, rather than green.

But accurate measurement of rods is going to give a better picture in the gap existing between it and crank pin to then go with Honda listed choice.

McCabe-Thiele (Ted):
I've sent you a PM about  some Green shells.

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