So, I get spark, Float bowls fill up but not getting petrol into the cylinders - Im getting no suck and thats not much fun.
What are these things and would they probably be my apparent downfall?
![Image](http://i1117.photobucket.com/albums/k599/Chris_Gloss/ZX400%20Rebuild/whatsthis.jpg)
This is the old head- seem to have been blanked and now I have another head and see shiny nipple valves
![Smile :)](./images/smilies/icon_smile.gif)
Thanks guys
Chris