(a) If a motorcycle or a moped complies with the performance requirements of § 547.408, brakes are not required on the wheel of a sidecar attached to the motorcycle or moped.
(b) If a moped or a motorcycle equipped with a motor that has an engine piston displacement of 250 cubic centimeters or less complies with the performance standards of § 547.408, brakes are not required on the front wheel of the moped or motorcycle.

(c) The director may require an inspection of the braking system of a moped or a motorcycle equipped with a motor that has an engine piston displacement of 250 cubic centimeters or less and may disapprove a system that:
(1) does not comply with the brake performance requirements in § 547.408; or
(2) is not designed or constructed to ensure reasonable and reliable performance during actual use.