‘PAWN STARS’ COREY HARRISON IN MOTORCYCLE CRASH

"Pawn Stars" bad ass Corey Harrison suffered a bloody case of road rash ... when he wiped on his Harley during a ride from Vegas to San Diego this weekend ... TMZ has learned.

Sources tell us ... Harrison and a friend were halfway through the 10-hour cruise ... when they got caught in some intense rain around Joshua Tree ... and Corey lost control of his bike.