Hello, after an engine complete overhaul and reassembly I have followed. Problem (do not know if this already existed before): The first gear goes still pure but the switching process from 1 to 2 and from 2 to 3, etc. is a torture, the gears always jump out direction idle or do not grip. I have to switch the gears best without coupling and then hold the gear lever to the top with the foot still for a short time then they stay in it sometimes. So however, you can not drive, has jmd. an idea ? Thank you. (The DT has 20,000 down, gears and gear forks look perfect.)