How old to ride as a passenger on motorcycle Ontario Canada?

(2) No person shall carry a passenger who is under sixteen years of age on a motorcycle on a highway unless the passenger is wearing a helmet that complies with the regulations and the chin strap of the helmet is securely fastened under the chin. R.S.O. 1990, c. H.8, s. 104 (2).

You only have to be able to reach both footrests.

Also, you can not be the driver and have a passenger with your M1.