New HISUN TACTIC from store to service mileage 9.8km. How do I change the oils and put them on? 

Why do some Chinese ATVs break down before the first T.O. (300km)? What oils come from the factory? Do I need to change the oil in the engine, gearbox, gearboxes after buying a new ATV?
New HISUN TACTIC 550 2024, mileage 9.8km, serviced after purchase.
AVER's GARAGE is an ATV and snowmobile service.
Repair of ATVs and snowmobiles of any complexity in St. Petersburg and the Leningrad Region.
- Spare parts for ATVs and snowmobiles
- Suspension repair
- Engine repair
- Repair of the fuel system
- Repair of the brake system
- Selection of snowmobiles and ATVs
Tel. 8 995 090-54-02
Mail: avers.garage@gmail.com
Site: avers-garage.ru