SOHC.co.uk Forums > CB350/400
Mains Jounal Measured with micrometer what colour code is needed ?
K2-K6:
You could mic the green shells with a small bar inside the arc in same direction as crank goes, then do the same for the "mystery" shells to get some view of a match or not.
Put a metal bar (thinking silver steel as it's ground to diameter, or similar) in a vice, lay the shell over it and mic the two together to get accurate reading.
Deano400:
Ted,
Can you see the crankshaft markings? A and 1 in this example.
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Ignore the red circles.
McCabe-Thiele (Ted):
--- Quote from: Deano400 on April 09, 2021, 08:58:57 PM ---Ted,
Can you see the crankshaft markings? A and 1 in this example.
(Attachment Link)
Ignore the red circles.
--- End quote ---
No visible markings on the crank aside from the balance drillings holes on the crank webs.
McCabe-Thiele (Ted):
--- Quote from: K2-K6 on April 09, 2021, 08:48:31 PM ---You could mic the green shells with a small bar inside the arc in same direction as crank goes, then do the same for the "mystery" shells to get some view of a match or not.
Put a metal bar (thinking silver steel as it's ground to diameter, or similar) in a vice, lay the shell over it and mic the two together to get accurate reading.
--- End quote ---
I'll look at that I would be happy putting 3 sets of green shells in 2,3 & 4 but 1 & 5 although the same are at present unidentified
Deano400:
I had the same issue with one of my crankshafts, only a couple of markings visible. I took my crankshaft to an engineering company I knew and had the crankshaft measured. As Trigger stated all the measurements were identical.
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