I have a new 09 T60 High Thrust Yamaha Outboard, it comes standard with a 17amp alternator. I have some onboard re-charging requirements for my 24v Minn Kota 65 trolling motor, since I do not have dockside power. Two (2) questions...1. will a 17amp alternator, a long with its other power requirements, provide enough power to re-charge my 2-12v trolling batts. (I'm using a Minn Kota alternator powered charging system...charges when outboard is running only) and 2. will a Yamaha 25amp outboard alternator standard on a F75 work/fit on the T60?