So we had a race this Sunday and in the first turn I wrecked and then my brother ran into me and wrecked. We both got up and finished the moto and while he was going over his bike he noticed coolant on his boot. The top of the radiator was dented pretty badly and it looks like it lost most of the fluid. the moto was about 10 minutes long and the bike ran fine the whole time, never gave him any indication of overheating. Is there anything we should do to check it out to make sure it didn't overheat and cause any internal damage, or should he just replace the radiator and call it good since it ran fine till he turned it off??? Thanks for any help.