Minn. Stat. § 169.49: HEADLAMPS.

(a) Every motor vehicle other than a motorcycle must be equipped with at least two headlamps, including at least one on each side of the front of the motor vehicle. Headlamps must comply with the requirements and limitations set forth in sections 169.47 to 169.66.

(b) Every motorcycle must be equipped with at least one and not more than four headlamps, which must comply with the requirements and limitations of sections 169.47 to 169.66.