Yamaha 115HP Jet Drive offers a balanced blend of power and control, making it suitable for mid-size vessels operating in shallow or fast-flowing waters. Built for durability and responsiveness, it maintains steady performance while eliminating the risks associated with traditional propeller systems.
Units are readily available for dispatch through our global distribution channels, supporting private owners, commercial users, and large-scale buyers. Orders of all sizes are processed efficiently, backed by stable stock levels and dependable worldwide delivery.
Product Media
Specifications
115 HP
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
115 HP
| 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 |