N.Y. Vehicle & Traffic Law § 2221
For the purposes of this article, the following terms shall have the following meanings. * 1. Snowmobile. Any self-propelled vehicle designed for travel on snow or ice, steered by skis or runners and supported in whole or in part by one or more skis, belts or cleats. * NB Effective until January 1, 2018 * 1. Snowmobile. Any self-propelled vehicle equipped with a motor, originally manufactured and designed for travel on snow or ice, steered by skis or runners and supported in whole or in part by one or more skis, belts or tracked cleats. * NB Effective January 1, 2018