Thorne Metal Works DBA MarshMonster will repair or replace any components, on the MarshMonster drive unit that we manufacture that are defective in materials or workmanship at no charge for a period of two years. Transportation charges on parts submitted for repair or replacement under this warranty must be borne by the owner of the unit. This warranty does not cover normal wear, abuse, or neglect, or damage due to the elements of nature, such as saltwater corrosion. Premature wear on shaft and/or bushing due to the lack of lubrication will not be covered by this warranty.

Engines on our products have a two year engine warranty and a lifetime ignition warranty as long as the original purchaser owns the unit. The lifetime ignition warranty does not cover electrical items such as ignition switches, starters, solenoids, or wiring. These items are covered by the two year engine warranty. Engine warranty can be handled through any small engine dealer in your area that is an authorized warranty service dealer for the brand of engine that is on the unit.