hello guys, i've been told the only way to check if the water pump is working is to open the cap of the radiator and check if the water is running through the system, okay did that and its not happening, opened up the waterpump, the impeller turns with the engine so its not the water pump, when i stuck a hose pipe in the top of the radiator and open up one of the bottom hoses of the bike turned on the water and the water runs through the entire system. yet when i rev the bike up i notice that the water level drops inside the radiator which indicates some sort of movement. can somebody tell me whether the cooling system is working properly or not?
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Just Bought MC16.