I have just replaced the fuel pump and filter on my 2012 3W. On the exact same hose as shown in the photo from RoyG, that hose as well as all the others came off using Knipex pliers as suggested in the great article by Ian Brett & Andrew Warren back in April 2020.

However, when reconnecting that hose it is not locking on like the others. Did not notice until trying to start the engine and it blew off spraying fuel.

Is there a way to solve this short of a new line?

Tks.

TomS