Quote:
Originally Posted by poelinca
It will only work if it's sucking air thru the cap, otherwise the coolant will still boil inside the rad, right ?
Unfortunately i don't have the time to wait for a new one, any other crossover cap (from kato for example) that fits ?
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If the radiator is unable to pressurize, the water will boil over and vent out of the cap, allowing the bike to overheat. it is a very common problem, and I had this happen on two of my bikes recently. If the system can't contain pressure, it can't contain water, and it overheats and burps and spits. The radiator cap has exactly one job- to control the pressure in the cooling system. If it can't control the pressure, the system fails to operate at the right pressure and temperature, and the water pushes past the cap.
Purpose of the radiator cap
Another example