BMS Ranch Pony 800 F Series Owner's Manual page 117

In order to avoid getting burned, do not
remove the radiator cap if the engine is hot.
NOTE: A cooling system that frequently
requires coolant is the indication of leaks or
engine problems. See an authorized
dealer.
Coolant Replacement
WARNING！
In order to avoid potential burns, do not
remove the radiator cap or loosen the
coolant drain plug if the the engine is hot.
Open the front access panel and remove
the radiator cap.
Unscrew the coolant drain plug and drain
the coolant into a suitable container.
1. Coolant drain plug
NOTE: Do not unscrew the coolant drain
plug completely.
Unscrew the bleeding screw on the top of
thermostat housing.
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