my bass boat has a 175hp johnson motor I was running down the lake and I lost all power so I jumped it off with my trolling motor batteries and ran I got up speed and it felt like it was missing or something like a little jerk I got where I was going and ready to go after fishing awhile and I couldn't get it to stay started could this be a battery or electrical problem I've took it to a marina and they said everything was fine I'm new to this and need some advice or maybe a fixer from you guys