The 163FML relies on airflow. In slow, technical riding, it overheats. Fix: Install a manual or thermostatic fan. Also, switch to a coolant-enhanced oil (like 15W-50 with high zinc).
The specs above cover 90% of issues, but the full manual includes wiring diagrams, gearbox shimming, and crankshaft runout tolerances. 163fml engine manual
The side cover screws are M6. Do not exceed 10 Nm or you will strip the case. The 163FML relies on airflow
Ride hard, but maintain harder.