I'm about to purchase my first boat, a Sea Hunt Escape 175 (v hull, dual console, 17ft). I live in North Carolina, and I'll use the boat for fishing and water sports 2-4 times per month about 6 months out of the year. I'm trying to decide between the Yamaha 2 stroke 90 or 4 stroke 100, which are just about $2000 apart. Although based on my usage, I doubt I'll get my money back in gas and oil savings, I wonder if the 4 is worth the money based on other factors (noise, reliability after non-use, others??) i'm also a bit concerned that the 4 is 95lbs heavier than the 2. I'd appreciate any comments or suggestions.<br />thanks