Thanks, did that. Also asked another repair shop for advice and they think it is definitely the small clutch bearing, possibly caused by a cracked gear. Hope my shop will just replace all these parts with the Bosch Gen 2 motor service repair kit BDU2xx but they said they will likely look for the...
Update
I sent the motor to a bike shop repairing Bosch motors
I was informed that the motor got in moisture from the non-drive side, which is not possible to protect with felt rings. This caused dirt getting in and bearing failure in the long run
Bike shop replaced all the bearings, informed me...
Hi,
my CX Gen 2 recently started slipping under load on technical sections at low speed, now also when going uphill over small roots or rocks. I can hear cogwheels slipping, motor rpm increases for a second with no power transferred and then it reangages.
Bearings are also failing, as it is...