The latest Trads used Newton filler caps & body flanges, but be careful as Mogs have an additional vent pipe which connects to a bespoke flange that Newton make just for the MMC
I suspect the Plus range will use the same, here's a photo from inside the spare wheel well looking at the filler neck from the vent side
![[Linked Image]](https://www.tm-img.com/images/2022/12/26/Fuel-tank-survey-17.md.jpeg)