Peugeot riding or driving?

Hello together, I have a question. I once again got a Peugeot Jetforce tsdi 50 scooter that didn’t work anymore. It didn’t start after 2 years in Sleeping Beauty. That was because the injection nozzle stuck. Couple times cleaners chased through with pressure and it ran. The current problem is, if it stands more than 24 hours, it jerks the first meters. It bucks like a horse. It feels like when no power comes to the clutch, as if he didn’t get a power stop there and got it with once again. I just built in an existing clutch, belt and variomatics. I had that from another spare part dispenser there. Nothing happened during the teike change. He still had this jerking. But always only cold after at least 24 hours. As next gear removed. The small one sports gearbox was built in by my Tsdi. Because I thought there was something that might be defective. Again P westekuchen. Mistake was still there. Back installed, all old parts of the TSDI back again. As next reader furn Tsdi borrowed from buddy. Thought that showed me a mistake. There is everything in the green area. No mistakes, everything in the standard area. Oh yes disc brake I have already dismantled for testing not that this possibly blocked. Where would you still look before I would just try it out of despair with an exchange engine, although I know that the not the ruckel Help where do I not see the forest for trees?