No landowner may be held liable for any injury sustained by any person operating a snowmobile, all-terrain vehicle, as defined in section 14-379, motorcycle or minibike or minicycle, as defined in section 14-1, upon the landowner’s property or by any passenger in the snowmobile, all-terrain vehicle or motorcycle, minibike or minicycle, whether or not the landowner had given permission, written or oral, for the operation upon his land unless the landowner charged a fee for the operation, or unless the injury is caused by the wilful or malicious conduct of the landowner.