How did the intake passages, pistons and valves look at that point? I know 900 miles is a short time but if things are getting dirty quick it will tell me how to proceed in the future.And on this day it'll rise from the dead!!! We just tore down an frs motor after 900 miles. Crank deal went and wiped out the engine. It's really neat in there. Chain over belt and all the new features. So much coolness