Here is the quote from the Ontario highway Traffic Act :
http://www.ontariohighwaytrafficact.com/topic725.html
Lamps required on motorcycles
(2) Subject to subsection (3), when on a highway at any time every motorcycle shall carry two lighted lamps in a conspicuous position, one on the front of the vehicle which shall display a white light only, and one on the rear of the vehicle which shall display a red light only. R.S.O. 1990, c. H.8, s. 62 (2).
Idem
(3) When on a highway at any time every motorcycle with a side car shall carry a lighted lamp in a conspicuous position on each side of the front of the vehicle which lamps shall display a white or amber light only and a lighted lamp on the rear of the vehicle which shall display a red light only. R.S.O. 1990, c. H.8, s. 62 (3).