hi everyone, i have an '81 johnson 35hp, electric start and choke, everything runs fine, have a question though, should the engine be charging the battery when it's running? or, like i do now, do i keep charging the battery whenever it gets low? i've always thought i had to charge the battery because this outboard doesn't charge the battery (ie - have an alternator or whatever to charge it), just curious, should the engine be charging the battery, or not? thanks