Every motorcycle manufactured after July 1, 1974, and driven on a highway in the Commonwealth shall be equipped with either a split-service brake system or two independently actuated brake systems which shall act on the front as well as the rear wheel or wheels.

It shall be unlawful for any person to drive on a highway in the Commonwealth a motorcycle which was originally equipped with a brake system on both the front or rear wheel or wheels if the brake system has been altered by removing or disconnecting any of the brake-system components from any of the wheels.