Hello, I am new here. I have been kayak fishing for the last ten years. I will still use my kayaks but I now have a Grizzly 1448 boat mainly for the cooler weather and fishing for hybrids on a bigger lake. My question is what motor do I need. The boat is rated for a 25 horse motor. I am considering a 9.9 or 15 horse motor. I would like to keep expenses down. I will generally fish alone but I might fish with a partner occasionally. We would both be over two hundred pounds. I would appreciate some input. Thanks