Honda CB750 Sandcast

Ignition mark???

jaka · 1 · 389

jaka

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Hello!
I´m about to set the ignition on my 1969 CB 750 sand cast and when I look trough the small hole in the ignition plate  were the points are I could only see a very small vertical line (2mm high) which is made on the aluminium crank case boss behind the timing plate. It  looks like the mark  is made by a chisel!? This chisel mark is only 1-1,5mm to the right  from were the aluminium boss starts and not in the middle of the boss like on the K1, K2 and K3 CB 750 models , and not as easy to see and well-defined.
Is this the timing mark?
Regards!
Jan Karlsson
Sweden