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(3) Screw out the water discharge plug on the crankcase and drain out coolant.
(4) Fix the discharge plug of the storage water barrel, radiator, and discharge valve and
crankcase as usual, fill the coolant according to the filling steps.
When replace coolant, the vehicle should be kept on a level place.
5. Never remove and not fit the thermostat assembly
Not fitting the thermostat assembly will prolong the warm-up time after
starting the petrol engine, the petrol engine working at low temperature for a
long time will result in rapid wear of the machine parts and affect the service
life.