SOHC.co.uk Forums > CB500/550

big bore/bigger sleeves

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surplus 6:
what is the largest size pistons that can be used in std (over bored) sleeves, also how much bigger sleeve can be made to fit? all for 550 motor. anyone done similar or have links for me?

Bryanj:
For ease of supply std 750 pistons with mods will fit

surplus 6:
they're 61mm I think, aren't they? is that about as large as you go on standard sleeve?

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