Hello this boat motor i have been working on and off for 2 years and it is not right.. First run of my nib 2007 yamaha 30 hp 2-stroke outboard. 3-cylinder version with autolube oil injection system, electric start and power trim & tilt. motor. Yamaha f150ja outboard motor price: click for options msrp: $16, 470.00 type: outboard motor year: current series: four stroke jet drive hp: 150 engine type: 4 cylinder. Yamaha outboard test forum topics. yamaha outboard parts: lower units: yamaha propellers yamaha outboards: test.