Mich. Comp. Laws § 445.545

Sec. 5. (1) A manufacturer or distributor shall not unreasonably withhold consent to the sale, transfer, or exchange of a dealership to a person who meets the criteria set forth in the dealer agreement. (2) Failure to respond within 60 days of receipt of a written request for the sale, transfer, or exchange of a dealership shall be considered consent to the request. (3) Except for a material breach of the lease, a manufacturer or distributor shall not terminate, cancel, fail to renew, or discontinue a lease of a new watercraft dealer's place of business.