Sea King {Clinton}

[wv fisherman]

3.5 sea king, Just purchased, runs great, need to know year, no I.D.plate, white plastic cowling w/ orange 3.5, and sea king,writing brown lower unit, cooling, air, or water? mixture? 1/2 pint s.a.e. 30 oil per gal. gas s.a.e.?? not two stroke? plug type? gap? points gap? good little motor, want to keep it tip top. WV fisherman...