hello i have recently got an aerox 2006 lc just got a malossi 70cc kit off a friend but the top 2 water flow pipes ( metal parts ) are blocked and have some metal rusted into them....my friend said he didnt use the top 2 pipes :huh: im new to liquid cooled so dont have a clue my friend had a malossi kit and he used the top pipes as they went to his carb?? any ideas? thanks