Type R FN2 – Coupling cracks / difficult to insert gears

Hello together, I have a little “problem” since Monday last week. That the FN2 is a very speedy car you don’t need to mention – but I noticed on Monday that the gears at high speed (between 6 and 8k) are very difficult to lie down (of course in a warm driving condition !!!!!! ) or only then “eingleitung” when the speeds have sunk a bit. The SuFu unfortunately did not bring me to a satisfactory result and now I hope that there are some nice people here who could possibly tell me what a problem it is. Synchroringe? Maybe only a simple adjustment of the clutch/ adjust the cylinder? I have to say that my gears definitely NOT slip through. Never. No matter in which gear or speed! PS: Have round by round 125tkm on it. I hope you can get the necessary information from my text that you need for an evaluation!!