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Wisconsin · Topic Updated May 24, 2026

Vehicle Types Covered by Wisconsin Lemon Law

How Wisconsin's Lemon Law applies to used cars, leases, EVs, motorcycles (including Harley-Davidson!), RVs, and commercial vehicles.

Wisconsin’s Lemon Law (Wis. Stat. § 218.0171) defines “motor vehicle” broadly as nearly any motor-driven vehicle required to be registered in Wisconsin — there is no GVWR weight cap on coverage. The statute excludes only mopeds, semitrailers, and trailers designed for use in combination with a truck or truck tractor. Wisconsin therefore covers cars, motorcycles, motor homes, and heavy-duty trucks alike (vehicles over 10,000 lbs are classified as “heavy-duty,” which only changes the manufacturer’s refund/replacement timeline, not eligibility). Motorcycles are squarely covered — notable given Harley-Davidson’s Milwaukee HQ.

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What’s distinctive about Wisconsin

  • Motorcycles explicitly covered — Harley-Davidson, BMW, Honda Gold Wing, Indian, Ducati, Triumph all qualify.
  • Motor homes fully covered — Wisconsin covers motor homes as motor vehicles (no living-quarters carve-out at the eligibility stage).
  • Heavy-duty trucks covered — no GVWR cap; vehicles over 10,000 lbs just follow the heavy-duty remedy timeline.
  • Strong outdoor / pickup market — agricultural, fishing, snowmobiling, hunting communities.
  • Lake Country boat-engine warranty issues — Mercury Marine HQ in Fond du Lac (boat engines fall outside § 218.0171 but Magnuson-Moss applies).

How to know if your vehicle is covered

For most Wisconsin consumers, the answer is yes within the 1-year window. Exceptions:

  • Vehicles past the 1-year window (Magnuson-Moss + UCC only).
  • Mopeds, semitrailers, and combination trailers (the only vehicle types the statute excludes).

The “consumer” definition

Wis. Stat. § 218.0171(1)(b) defines “consumer” to include:

  • The original purchaser of the vehicle.
  • A lessee.
  • Any subsequent transferee during the warranty period.
  • Any other person entitled by the warranty to enforce its obligations.

This means leases and warranty assumptions both qualify.

Harley-Davidson home-state motorcycle cases

Harley-Davidson’s Milwaukee headquarters makes H-D a home-state defendant in Wisconsin Circuit Court for motorcycle Lemon Law cases. This is significant — Wisconsin courts have direct jurisdiction over H-D, and the Wisconsin Lemon Law’s automatic double damages plus mandatory § 218.0171(7) fees apply.

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