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Plastigage? and main bearings.

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Oddjob:
Check all the bearings for colours, if removing put them back in exactly the same place. I don't normally advise this BUT if one of the bearings still has a remnant of the colour on it check the back of the shell for production codes. As they would have been fitted in the factory from a bin of shells they'd all be the same code, if you can find a shell with say green on it and it's marked say D7E-S and your mystery shell is also marked D7E-S then your mystery shell would also be a green. Generally production marks are useless but in your case they might just be a life saver. 

SumpMagnet:
Could see some faint colour on the shells on 3 of the upper. Lower ones were harder to spot. Popped out the best of the uppers ...and:





I am assuming this is the right sort of colour, and it is definitely green. Got code D7H stamped on the back. So, I assume I need to get a set of green shells and I should be good?
Or do I buy plastigage, check clearance, and try and work out the correct size from there?

Oddjob:
Yep, that's a green. You could just buy 1 shell, ideally you'd buy 2 but TBH you really only do that because you're replacing both due to wear, you're not, it's due to damage and you could just replace the one.

I just found my odd 750 shell and it's a brown conrod shell.

SumpMagnet:
brilliant :)

I think the best approach will be to Plastigage it for peace of mind, as that will also confirm the others are not worn. There is no scoring or obvious damage....but it should give me the clearances.
But to pick up the one shell I need assuming everything else comes out sweet.

I assume the crank itself doesn;t really wear to any appreciable amount and the softer shells are where the wear happens. As long as the oil flows like it should anyway!
So Honda slap it together with shells that give the correct clearance, as long as I stick to the same ones Honda used...the clearance should come out right.

They are also in stock at Silvers....so I'd better get a shopping list together to avoid paying silly postage for one tiny thing :)

Oddjob:
The problem with plastigauge is that whilst it does show if there is wear it can't tell you what is worn, is it the crank?, is it the shell?. The only way to get a definitive answer is to use plastigauge with new shells. That way you see what the clearance is and can calculate what colour shell you need (if any) to get back within spec. However if you use plastigauge with old shells and they still show the clearance within spec then at least your mind is at rest.

As for the journal with the damaged shell. See if you can find another green in any of the other journals, temporarily replace the damaged one with another green from another journal, measure the clearance, if still in spec then you're good to go with buying just one shell. If none of the other journals show colour on the shells then find one with the same production markings as it's bound to be another green, same bin, same batch, same colour etc

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