Adjusts the balance between multiple carburettors.
Please note that there are 2 systems in use!
1) The first system uses this screw with coarse thread (# 6898) which is tapped straight into the adjustment handle. It uses a set-up with a spring, washer and o-ring to maintain its setting. You can order these small parts along with the screw by using the drop box.
2) A Nyloc type insert is used in combination with a screw with fine thread (# 9754).
Required quantity per set carburettors: 1
This is item number 97 in the drawing.