Yamaha 150 HP 4 Stroke Outboard Motor Engine
| Engine Type | Inpan> |
| Displacement | 2.7L (Mechanical) / 2.8L (DEC) |
| Bore x Stroke | 94 x 96.2 (3.70 x 3.79in) - 96 x 96.2mm (3.78 x 3.79in) |
| Prop Shaft Horsepower | 150hp @ 5500 rpm |
| Full Throttle RPM Range | 5000 ~ 6000 rpm |
| Alternator Output at W.O.T. | 35 - 50 Amp |
| Compression Ratio | 9.0:1 & 10.3:1 |
| Fuel Induction System | EFI |
| Weight* | 20" shaft / 217kg (478 lbs), 25" shaft / 221kg (487 lbs) |
| Recommended Fuel | Octane 87 & Octane 89 |
| Recommended Engine Oil | Yamalube® 4M (See owner's manual) |
| Recommended Fuel Filtration | Yamaha 10 Micron Fuel/Water Separating Filter (external) |
| C.A.R.B. Rating | 3-Star |
| Exhaust | Through Propeller |
| Intake | 16 |
| Ignition | TCI Microcomputer |
| Spark Plug | NGK-LFR6A-11 & LFR5A-11 |
| Alternator Output | 35 - 50 Amp |
| Starting System | Electric |
| Lubrication | Wet Sump |
| Engine Oil Capacity | 4.5L/4.3L |
| Recommended Cooling | Thermostatic Control |
| Ethanol Blend Limit | 10% Maximum |
| Gear Ratio | 2.00:1 |
| Gear Shift | F-N-R |
| Shaft Length | 20" - 25" |
| Degree of Tilt | 70° |
| Degree of Trim | -4° through +16° |
| Dry Weight | 217kg (478 lbs) - 222kg (489 lbs) |
| Mounting Centers | 26" |
| Steering | |
| Steering Angle (maximum) | 32° from center, either direction |
| Warranty | Limited 4 Year Limited Pleasure Boat - 2 Year Limited Commercial |
Please note that the weight refers to shortest shaft length, and is measured without motor oil, gearcase oil and propeller (except models 25 hp and under, which include a standard propeller). All Jet model weights include the jet pump assembly (weight estimated)
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