SOHC.co.uk Forums > CB750

which ring goes on top ?

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billy192:
Just putting the new rings on the new pistons, one ring has a bevel on top



the other no bevel
which is the top ring?


Billy

ka-ja:
Hi,
      I think the ring with the chamfer is the top ring, the chamfer is intended to help after a re-ring on a used bore, it minimises the effect of any wear ridge around the top of the cylinder wall from the old piston

Bryanj:
Champher hasno bearing on it,

chrome ring top groove black ring secong groove

numbers facing upwards

billy192:
They are both black?

ka-ja:
Hi,
    Apologies to billy192 and bryanj, I can only go with my remembered instructions for my yoshimura rings, which were all black finihed, and were fitted as stated, there was a dot to mark comp. ring upper side

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