Yamaha Jet Drive · Virginia Beach
Yamaha F115 Jet Drive outboard: specs, rigging and repower in Virginia Beach.
The F115 Jet Drive pairs the 1.8-liter, 115 hp-class four-cylinder with a jet pump that Yamaha lists at 80 hp at 5800 rpm. It fits a 25-inch transom, weighs 377 lb with the pump, and works with mechanical controls or the optional Multi-Function Tiller Handle.
- Engine rating
- 115 hp class
- Output at the jet pump
- 80hp @ 5800rpm
- Engine type
- Inline 4
- Displacement
- 1.8L
- Transom
- Fits 25" Transom
- Weight †
- 171 kg (377 lbs)



Specifications
Yamaha F115 Jet Drive
specs, as Yamaha lists them.
Specs and features: Yamaha, read from yamahaoutboards.com and Yamaha's Engine Comparison tool on 2026-10-05. Yamaha can change a model by model year; we confirm the exact engine when we quote.
| 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 Angle (maximum) | 35° from center, either direction |
| Warranty | Limited 3 Year Limited Pleasure Boat - 1 Year Limited Commercial |
† 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).
Compared
How the F115 Jet compares
with the VF115, F115, F150 Jet, F90 Jet.
From Yamaha's spec tables; weights are the lightest Yamaha lists, valvetrain is from its dealer spec signs.
Same 115 hp class, Yamaha In-Line Four V MAX SHO
F115 Jet vs VF115
- Output (at the pump on jets): F115 Jet 80hp @ 5800rpm; VF115 115hp at 5500 rpm.
- Gear ratio: F115 Jet Direct Drive; VF115 2.15:1.
- Shaft or transom: F115 Jet 25-inch; VF115 20 and 25-inch.
Same on both: 1.8L displacement, 377 lb lightest listed weight, 35-amp alternator, 87 octane.
Same 115 hp class, Yamaha Midrange 115 to 75 hp
F115 Jet vs F115
- Output (at the pump on jets): F115 Jet 80hp @ 5800rpm; F115 115hp at 5500 rpm.
- Gear ratio: F115 Jet Direct Drive; F115 2.15:1.
- Shaft or transom: F115 Jet 25-inch; F115 20 and 25-inch.
- Mounting centers: F115 Jet N/A; F115 26-inch.
Same on both: 1.8L displacement, 377 lb lightest listed weight, 35-amp alternator, 87 octane.
Same family
F115 Jet vs F150 Jet
- Output (at the pump on jets): F115 Jet 80hp @ 5800rpm; F150 Jet 105hp @ 5500rpm.
- Displacement: F115 Jet 1.8L; F150 Jet 2.7L.
- Weight: F115 Jet 116 lb lighter at the lightest weight Yamaha lists (377 lb vs 493 lb).
- Compatible controls: only the F115 Jet lists Multi-Function Tiller Handle.
Same on both: Direct Drive gear ratio, 35-amp alternator, 25-inch transom, 87 octane.
Same family
F115 Jet vs F90 Jet
- Output (at the pump on jets): F115 Jet 80hp @ 5800rpm; F90 Jet 65hp @ 5500rpm.
- Weight: F115 Jet 23 lb heavier at the lightest weight Yamaha lists (377 lb vs 354 lb).
Same on both: 1.8L displacement, Direct Drive gear ratio, 35-amp alternator, 25-inch transom, 87 octane.
Rigging
Controls, gauges
and Helm Master EX.
Controls
- Mechanical Controls (compatible)
- Multi-Function Tiller Handle (compatible)
- Helm Master® EX (not available)
- Command Link Plus Digital Controls (not available)
Gauges
- Command Link and Analog Gauges (compatible)
- Command Link Plus Display (not available)
Yamaha lists Helm Master EX as not available for the F115 Jet Drive.
F115 Jet Drive model codes
| Model code | Controls | Color |
|---|---|---|
| F115JB | Remote mechanical | Gray |
Model codes from Yamaha's current model-code list. Ask us which code fits your boat; we confirm it when we quote.
Features
What's built into
the F115 Jet Drive.
- 115 hp-class jet model; Yamaha lists 80 hp at 5800 rpm at the pump.
- 377 lb including the jet pump assembly.
- Fits 25-inch transoms; 35-amp alternator; power trim and tilt.
- Phaze Five anti-corrosion paint over YDC-30 alloy.
- ECM connects to Yamaha Diagnostic System software.
- On-engine water-separating fuel filter with water sensor.
- One-piece cowling with air intake labyrinth.
- Multi-point EFI.
- SOHC or DOHC platforms depending on model.
- Microcomputer ignition timing.
- Composite intake manifold with long tube intake tracks.
- No gearcase or propeller below the hull, so the boat can pass over obstructions.
- F40, F60, F90 and F115 jets accept the optional Multi-Function Tiller Handle.
- Freshwater flush device works without running the engine.
Repower
Repowering with the F115 Jet Drive
at Coastal Marine.
Coastal Marine is an Elite Yamaha dealer and an authorized Yamaha Repower Center on Shore Drive in Virginia Beach. A repower with the F115 Jet Drive takes the old or worn-out outboard off a sound hull, of any make, and puts the new Yamaha on, with the controls, gauges and rigging the new setup needs. Warranty work on the Yamaha power we install is authorized in-house.
We don't post engine prices. Tell us the boat, what's on the transom now and roughly how many hours it has, and we'll quote the F115 Jet Drive for it. Financing is available on repowers through Yamaha Financial Services.
F115 Jet repower fit
- Transom
- 25-inchYamaha spec table
- Weight †
- 377 lbYamaha spec table
- Control types
- remote mechanical (F115JB)Yamaha model-code list
Common questions
Yamaha F115 Jet Drive
questions, answered.
Get a quote
on new Yamaha power.
Tell us the boat, the engines on it now and roughly the hours, and we'll quote the F115 Jet Drive for it. We answer same business day.