i too replaced my MG FRESHWATER 5spd 71lbs footcontrol with a new MK TERROVA 80lbs motor,four yrs ago.this having been said,the MK last a tremendous amount longer than the MG.the MG was not a digital motor,the MK is.make sure your new motor is digital as MK makes them both ways i think.withmy MG i could run it contuinsualy for abt. 8hrs longline trolling with new grp.31 batteries.with my MK running all day trolling i have never ran them down.the MG is still an excelent motor as i put it back on my boat after i stop trolling for crappie to bass fish,why do this?the electric foot control on the MK sucks for bass fishing