Recently got my boat in the water, it's a 1984 18.5' Sylvan aluminum v-hull. Has a 1983? 90hp merc inline 6 on the back, 9.8 merc kicker motor, 20 gallons of fuel, two passengers (325lbs total), one battery. I've cleaned the carbs, seem to be all synced up. Motor runs great, though can't get...