I have a 2004 Lund Alaskan 1650 that is rated for a 50 HP. in 2005 Lund Alaskan 1650's, with the exact same specs are rated for 60 hp. How can I get an updated HP rating plate? My boat is waaay underpwered. I tried many props but just kind find one to plane out very quickly. I need some help.