KYMCO K-XCT 300i Owner's Manual page 315

6. Cooling System > Coolant K- XCT 300i
Remove the radiator cap in two stages. Allow any built up pressure to
vent and then open the cap all the way and remove it.
The water pump is located on the right side of the engine. Ready a drain
pan under the water pump drain bolt.
Loosen the coolant drain bolt with an 8 mm socket.
6-4