| Specification | Detail |
| Weight | 257 kg (566 lbs) |
| Full Throttle RPM Range | 5000 – 6000 RPM |
| Fuel Induction System | EFI |
| Recommended Engine Oil | Yamalube® 4M (See owner’s manual) |
| Engine Type | Inline 4 |
| Displacement | 2.8L |
| Bore x Stroke | 94 × 96.2 (3.70 x 3.79in) / 96 × 96.2mm (3.78 × 3.79in) |
| Prop Shaft Horsepower | 150hp @ 5500 rpm |
| Alternator Output at W.O.T. | 50 Amp |
| Compression Ratio | 9.0:1 / 10.3:1 |
| Recommended Fuel | Octane 87 / Octane 89 |
| Recommended Fuel Filtration | Yamaha 10 Micron Fuel/Water Separating Filter (external) |
| C.A.R.B. Rating | 3-Star |
| Exhaust | Through Propeller |
| Intake | 16-valve |
| Ignition | TCI Microcomputer |
| Spark Plug | NGK-LFR6A-11 / LFR5A-11 |
| Starting System | Electric |
| Lubrication | Wet Sump |
| Engine Oil Capacity | 4.5L / 4.3 |
| Recommended Cooling | Thermostatic Control |
| Ethanol Blend Limit | 10% Maximum |
| Gear Ratio | 2.00:1 |
| Gear Shift | Forward, Neutral, Reverse |
| Shaft Length | 25″ |
| Degree of Tilt | 70° |
| Degree of Trim | -4° through +16° |
| Mounting Centers | 26″ |
| Steering | Steering Assisted Tiller Handle |
| Steering Angle (maximum) | 30° from center, either direction |
| Warranty | Limited 3 Year Limited Pleasure Boat – 1 Year Limited Commercial |
Yamaha Power-Assisted 2.8L In-Line Four 150 Outboard Motor
$15,840.00
Built so that the only thing you have to fight is the fish, the Power-Assisted 2.8L In-Line Four 150 ensures steering is easy even when the water is choppy. Available in standard and eight-inch tiller lengths, it accommodates almost any boat configuration. It features hydraulic assisted tiller steering, runs on economical 89 octane fuel, weighs 566 pounds, utilizes a 25-inch shaft, and is equipped with a 50-amp alternator to provide plenty of power for onboard electronics. It is available in signature Yamaha gray.
Key Features
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Hydraulic Assisted Steering: Features hydraulic assisted tiller steering to keep handling smooth through rough water.
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Flexible Configurations: Offered in standard and eight-inch tiller lengths to fit almost any boat setup.
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Power & Fuel: Runs on economical 89 octane fuel with a 50-amp alternator for onboard electronics.
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Build & Design: Weighs 566 pounds, comes with a 25” shaft, and is finished in signature Yamaha gray.
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Shipping & Delivery
Shipping & Delivery
We pride ourselves on offering fast and reliable shipping directly from our warehouse. Most in-stock outboard engines ship within 1–3 business days, ensuring you get your new engine as quickly as possible. Nationwide delivery is available across the U.S., with all engines carefully packaged to prevent damage during transit.
For local customers, we offer the convenience of pickup from our warehouse or local delivery. Our team is happy to assist with loading, and if you need installation or rigging support, we can help with that too.
If you're ordering from outside the U.S., we also offer international shipping. Contact us directly for a customized shipping quote, including rates, timelines, and any additional import details to ensure a smooth delivery to your location.
