Motor Specifications:     P-20 HP     P-15 HP     P-9.9 HP     P-8 HP     T-9.9 HP     T-8 HP      Motor Inventory:     New Motors     Used Motors     Non Current         Official Sites:     Yamaha Outboards        .............................................. Yamaha Motors Portable 15 HP Overview:                   Overview | Specifications | Features Perfect for tenders, inflatables, small fishing boats, sailboats and dinghies. Yamaha portables are packed with advanced features and Yamaha dependability. General Spec's: Portable 15 HP 4-Stroke Prop Shaft Horsepower: 15 Shaft Length: 15" / 20" Come visit our showroom and see for yourself why Northshore Marine is one of Texas' finest southwest dealer.