Throttle Stop Screw with Fine Thread for the Dellorto DHLA series carburettors.
Please note that there are 2 systems in use!
1) A Nyloc type insert is used in combination with this (# 9754) screw with fine thread.
You can order the required Nyloc insert along with this screw by using the drop-box
2) The other system uses a screw with coarse thread (# 6898) which is tapped straight into the carburettor's body. That set-up uses a spring, washer and o-ring to maintain its setting.
Required quantity per set carburettors: 1
This is item number 64 in the drawing.