Snow bike.

RCW 46.04.545
in effect
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"Snow bike" means a motorcycle or off-road motorcycle that has been modified with a conversion kit to include (1) an endless belt tread or cleats or similar means for the purposes of propulsion on snow and (2) a ski or sled type runner for the purposes of steering. "Snow bike" means a motorcycle or off-road motorcycle that has been modified with a conversion kit to include (1) an endless belt tread or cleats or similar means for the purposes of propulsion on snow and (2) a ski or sled type runner for the purposes of steering.
Source: WA Statutes (Official Site)URL: https://app.leg.wa.gov/RCW/default.aspx?cite=46.04&full=trueFetched: 6/29/2026

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