Hot start and fuel evaporation while moving

Hello Ricardo not to worry I didn't take it as disagreement! We can only put forward what we have found and then hopefully there will be a positive result.

I also bought that type of filter for another, different, project where the viton rubber tip of the needle valve was always accumulating residue. I never used it though as it was most likely that the petrol itself was evaporating due to lack of use and leaving the residue there. This was many years ago. However, I have to say the Weber 34 on the x19 was easier to strip than the carb at fault.

RDS

Well......this hasn't turned out to be as enjoyable as I hoped!
Carb has been on and off a few times now.
I've had it almost running with the carb overflowing with fuel to not enough fuel being delivered and a backfire when trying to start.
Fiddled with it some more today, refitted but it just wouldn't start.

So, removed the top half again and brought it inside so I could take a deep breath and check over the basics again.

1 - Fuel/Air mixture screw gently screwed all the way in and then unscrewed 1 1/2 turns as factory setting.....check!
2 - Idle screw backed off so it's just almost touching the throttle mechanism and then 1 turn in as factory setting......check!
3 - Carb body top held vertically and tipped slightly left to check the closed needle/float distance from the gasket.....6mm.....check!
4 - Carb body top held vertically and tipped slightly right to check open needle/float distance from gasket.....15mm....check!
(I made a card with a 6mm line and 15mm line as David Moult suggested.....photos attached)

Carb is now re-fitted again and all piped up. Just waiting for the battery to charge up as it's depleated now.

One thing that I've got on my mind is if I've not reassembled the automatic choke correctly.
I think I have as it seemed quite straight forward. Didn't know if that might be a cause of it not starting.
I don't think so but any advice is welcome.

If it doesn't start after this.....I may have to get someone to take a look at it for me.......I hate being defeated however!

Gaz.