SOHC.co.uk Forums > CB750

carburator float level again

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mgy66:
Hi All,

I am in the middle of getting my 750 k1 working as best as possible for regular commute (dry run only as someone though it would be good to nick and resale my front mudguard or thinking that is more stylish/trendy without it!).

I think that the levels are only affecting the tickover, not really lean or rich mix. The float should be as high as possible without reaching the bowl gasket and making sure the pilots (shorter than the main) are sufficiently imerged into the fuel. If not, then the bike may either struggle to start or may be able to start but tickover would be affected at red lights with the need to rev up.

The idea is that you need to have sufficent drop in the levels to have the floatters opening enough to get the fuel in and replenish the bowls. I haven't measure the gap between the bowl gasket and the pilot tip but I would assume there are few mm overlap, i.e. 28mm gap or so. Would be interested if someone has measured it.

I like the idea of the credit card cut out... should call my bank to tell to resupply mine...
Cheers...

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