Mirrors shall be inspected for mounting and providing proper view to the rear. Do not certify if the inside mirror: Is loosely mounted; Does not provide a clear view of the highway at least 200 feet to the rear; Is cracked, broken, has sharp edges, or is clouded to the extent that rear vision is obscured; Is very difficult to adjust or will not maintain a set adjustment. Do not certify if the outside mirror: Is loose enough that rear vision is impaired; Is obscured by the windshield pillar; Is cracked, pitted, or clouded to the extent that rear vision is obscured. Do not certify a motorcycle if it is not equipped with two rearview mirrors, one on left and one on right handlebar, with a reflective area of at least 7 square inches each. Mirrors on 1978 or newer motorcycles with a plane surface shall have at least 12.5 square inches of reflective surface or, if convex, at least 10 square inches of reflective surface. The mirrors shall be securely mounted, regular in shape (circular, oval, rectangular, or square) and may not contain sharp edges, projections, or irregular indents capable of producing injury.