Wis. Admin. Code Department of Transportation § Trans 305.43 - Lighting

(1) Every motorcycle shall be equipped with all lighting devices required by ch. 347, Stats. In addition, every motorcycle manufactured after January 1, 1972, shall be equipped with 2 amber direction signal lamps on the front and 2 direction signal lamps on the rear which may be red or amber.
(2) A motorcycle may be equipped with no more than 2 auxiliary lamps, including auxiliary lamps on a side car.
(3) Motorcycles and attached sidecars may be equipped with marker lamps provided that:
(a) No marker lamp exceeds a wattage of 10 watts.
(b) No marker lamp interferes with the visibility of a headlamp, tail lamp, stop lamp or direction signal.
(c) No lamp shows a color except red to the rear and amber to the front.
(4) All lighting devices shall be maintained in proper working condition and in conformity with ch. 347, Stats. All wiring and connections shall be maintained in good condition and there shall be no cracked, broken or missing lenses or reflectors.


Wis. Admin. Code Department of Transportation § Trans 305.43
Cr. Register, February, 1996, No. 482, eff. 3-1-96.

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