The Yamaha 115 hp and the all-new 90 hp and 80 hp Midrange four strokes are reliable inshore performers. Fast and powerful, they sport 1.8-liter displacement and DOHC or SOHC designs with four valves per cylinder. This gives them exceptional volumetric efficiency and lighter weights. With 25-inch shaft options for the F115 and F90, this horsepower range offers prime power for mid-size craft, including anglers trolling large, rough water in 25-inch-transom multi-species boats. The completely surprising Yamaha Midrange 115, 90 and 80 hp four strokes. A powerful part of our lineup—and your boating experience.
HP80
$5 794
New 2022 Yamaha 80HP 4Stroke
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Review
The all-new 1.8-liter I-4 F80 features greater displacement and a single-overhead-camshaft design with four valves per cylinder. This boosts power and volumetric efficiency, streamlines design, and makes the F80 a leader in torque and acceleration.
- Available for mechanical remote or tiller control
- Only 353 pounds
- Available in 20” or 25” shafts
- Powerful 35-amp alternator
- Optional Variable Trolling RPM via the Command Link® tachometer
SPECS
| Engine Type | Inline 4 |
| Displacement | 1.8L |
| Bore x Stroke | 81 x 88.9mm (3.19 x 3.5 in) |
| Prop Shaft Horsepower | 800hp at 5500 rpm |
| Full Throttle RPM Range | 5000 ~ 6000 |
| Alternator Output at W.O.T. | 30 amp |
| Compression Ratio | 9.4:1 |
| Fuel Induction System | EFI |
| Weight † | 160kg (353 lbs) - 164kg (362 lbs) |
| Recommended Fuel | Octane 87 |
| Recommended Engine Oil | Yamalube® 4M (See owner's manual) |
| Recommended Fuel Filtration | Yamaha 10-Micron Fuel/Water Separating Filter (external) |