1. 1978 Glastron SSV-188
2. Length 18?, Beam 88?, boat and motor together should weigh approximately 1,500 lbs.
2a. Don't know the recommended hp, but max hp is 150 hp
3. Two adults & two Children. Total weight is 171 + 126 + 61 + 53 = 411 lbs. Gas is normally 15-25 gallons
4. Water sports...