Ok, last weekend at Big Buck GNCC. Into the 2nd turn I rear ended a guy in my class on accident of course 1st national race on the scrambler pushed the turn too hard anyways. After 4 miles of racing my light came on went into limp mode. Once i got home took off radiator and fan noticed the fan was not moving freely after I strong turn it finally freed up moves great now. But it looked like something burnt on it even smelled it. I did clean it up but can’t find out why it was burnt any suggestions?