So, finished with service:
Spark plugs NGK
Oil motul 300V 15W50, oil filter KN
Air filter HIFLO HFA7604
Gear oil, Motul 300 75w90
Antifreeze Motul Motocool factory l
LED NARVA lights.
In order to drain the gear oil I tried the muffler and the middle stand like someone said-it worked but is...