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All Yamaha Outboards Ship for free to lower 48 states. Excluding lift gate fee. If lift gate is needed at delivery it is a $75.00 flat charge.
Yamaha 115 HP Outboard Jet Motors
With no gearcase or propeller extending below the hull, a jet drive allows you to maneuver around or pass over obstructions that would limit the travel of a conventional propeller-driven outboard. And with electronic multi-point fuel injection, you get lots of responsive power with fuel-sipping efficiency.
Shallows. Rocky-bottom rivers. Shoals. White-water rapids. They’d all prove treacherous for a propeller-driven outboard, but Yamaha’s Jet Drive outboards are all about it. You can “off-road” without the possibility of breaking a blade on rocks or other underwater obstructions. So, while you may be giving up the prop, you’re gaining a whole lot of freedom with a jet drive.
Our 1.8-liter F115 Jet Drive outboard produces 80 hp at the pump. Its compact, lightweight DOHC design features 16 valves with four valves per cylinder and long tube intake tracks. This produces ample power for deck boats and deep-V hulls navigating shallow, rocky rivers.
- 377 pounds (including jet pump assembly)
- Fits 25-inch transom boats
- Solid 35-amp alternator
- Power Trim & Tilt
| Weight † | 171 kg (377 lbs) |
|---|---|
| Full Throttle RPM Range | 5000 ~ 6300 rpm |
| Fuel Induction System | EFI |
| Recommended Engine Oil | Yamalube® 4M (See owner's manual) |
| Engine Type | Inline 4 |
| Displacement | 1.8L |
| Bore x Stroke | 81mm x 88.9mm (3.19 x 3.5 in) |
| Prop Shaft Horsepower | 80hp @ 5800rpm |
| Alternator Output at W.O.T. | 35 Amp |
| Compression Ratio | 10.0:1 |
| Recommended Fuel | Octane 87 |
| Recommended Fuel Filtration | Yamaha 10-Micron Fuel/Water Separating Filter (external) |
| C.A.R.B. Rating | 3-Star |
| Exhaust | Through Jet Nozzle |
| Intake | 16 |
| Ignition | TCI Microcomputer |
| Spark Plug | LKR6E |
| Starting System | Electric |
| Lubrication | Wet Sump |
| Engine Oil Capacity | 3.2L/3.0L |
| Recommended Cooling | Thermostatic Control |
| Ethanol Blend Limit | 10% Maximum |
| Gear Ratio | Direct Drive |
| Gear Shift | Forward, Neutral, Reverse |
| Shaft Length | Fits 25" Transom |
| Degree of Tilt | 70° |
| Degree of Trim | -4 through 16° |
| Mounting Centers | N/A |
| Steering | |
| Steering Angle (maximum) | 35° from center, either direction |
| Warranty | Limited 3 Year Limited Pleasure Boat - 1 Year Limited Commercial |