i am gettin a new boat has a 115 merc 2 stroke on it but i have looked at 115 4 stokes, also i troll some so if i do the optimax i figure i would have to get a small motor for the back to troll with, because i dont think you can run big out board slow not good for it i always thiought but it is `19 ft long alum boat will a 115 4 stoke lack power to get up i realize the 4 stoke is heavier what are some advantages if i go with the 2 cycle? over the 4 thanks for any advice have a good day all