Nitro Mick wrote: I've made one almost identical to your original version but have been looking around for four small needle valves to dampen vacuum pulses. After looking at your version and the Mikuni pilot jets, I reckon I'll give that a try. Bloody good thinking.
I filled mine with two-stroke oil. Nice and thick, plus no dramas if it ever ends up getting sucked into the intake.
Sounds like a good idea. Come spring I'll be changing the fluid and getting the smallets jets I can get my mits on. I did have to be careful on start up with the light fluid.