??
Interesting that it works this way ....
This is not the correct connection for the vacuum line :-)
The correct one, for the vacuum line going to the pump, is the connection on top of the LH carburettor boot (the rubber thing between carb and cilinder head). On your picture, you can just see it in the upper LH corner.
The fuel pump has 4 connections:
1. Fuel into pump - see the arrow on the pump housing
2. Fuel to carb - see the arrow on the pump housing
3. Aeration of the pump - small connection, small hose pointing upwards, ending nowhere
4. Vacuum connection - as described above
Auke
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