I ride a 2010 YZ450F with a boyseen water pump cover and impeller. Last ride I cracked the case on a rock. Unfortunately the spot I was in required me to ride my bike about 500 feet up a hill. At the top of the hill I heard a loud cracking and grinding sound. Later after pulling off the pump cover I found the impeller completely destroyed. I was able to recover the 6 large impeller blades but there was a lot of smaller metal material in the pump. My concern is that metal has moved through the system and will result in damage to the new impeller, the radiators, or any other part of the cooling system. I have flushed it with water. Anybody have a similar situation and what did they do?