http://www.nsr250.net/forums/viewtopic.php?t=9052&highlight=float+heighth
Scroll down to the pictures. First picture: top jet is pilot / slow jet and has holes in the side. Middle jet is the main, and doesn't.
_________________
MC21SP Plaything
BMW F800GS Bumblebee
Triumph 9551 Daytona Big boys toy
FJ1100 Sporting relic
GTS1000 oddball