SOHC.co.uk Forums > CB500/550

Carb Balancing

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Dave M:
I've now received my replacement vacuum adaptor so I'm finally going to balance the carbs after their stripdown.

What should I set the idle speed at to do it?

I'm sure I read somewhere that it should be a fast idle, around 1800rpm and not the standard 1200rpm.

Is this correct?

matthewmosse:
I'd set to 1200 if possible, very much faster and mine gets hot and bothered in traffic, giving rise to oil leaks from the top end once :-[ mind you I'm too wide to filter which ain't a problem for most bikes. The trade off from being able to terrify hichhikers ;D

Bryanj:
Set at a 1100 tickover and check at 2,000ish

Dave M:
Thanks for the info.

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