Carbs and starting from cold

[splasher]

Hi everyone, having sorted most of the problems that my CX-500EC (1982) had, got it through its MOT in June, and been riding it all summer (yep we had one in the UK this year), Im now thinking of tackling a carb problem that's been there since the re-build. The bike runs well so jets are ok etc, but when it stands overnight after a run, it takes a good few turns to start, It feels to me as though the Carbs are empty and it takes a bit of turning to get petrol in them again via the vacuum tap. Ive put tissue under the carb drains and cant seen anything coming out so a bit puzzled. Starting when warm I instantaneous.
What is the general opinion Do they all take a bit of turning over after standing?

[Gman]

Try bypassing the Vacuum petcock.If this cures it then that's the fault,

viewtopic.php?f=17&t=531&p=2602&hilit=bypass#p2602

Also old fuel pipes can collapse internally and it's pretty cheap and advisable to replace them with modern neoprene tubing.

They should be 6mm diameter(1/4"),,
http://www.ebay.co.uk/itm/MOTORCYCLE-NE ... 35cb3cb4bc

HTH