Yamaha Midrange 115 to 75 hp · Virginia Beach
Yamaha F115 outboard: specs, rigging and repower in Virginia Beach.
The F115 is the top of Yamaha's 1.8-liter midrange: a four-cylinder with dual overhead cams and four valves per cylinder, rated 115 hp. It weighs 377 lb with a 20-inch shaft, comes in 20- and 25-inch shafts, and its trolling switch runs 650 to 900 RPM. It rigs with mechanical controls or the Multi-Function Tiller Handle.
- Horsepower
- 115 hp
- Engine type
- Inline 4
- Displacement
- 1.8L
- Shaft length
- 20" - 25"
- Weight †
- 171 kg (377 lbs) - 175 kg (386 lbs)



Specifications
Yamaha F115
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) - 175 kg (386 lbs) |
|---|---|
| Full Throttle RPM Range | 5300 ~ 6300 |
| Fuel Induction System | EFI |
| Recommended Engine Oil | Yamalube® 4M / (See owner's manual) |
| Engine Type | Inline 4 |
| Displacement | 1.8L |
| Bore x Stroke | 81 x 88.9mm |3.19 x 3.5in |
| Prop Shaft Horsepower | 115hp at 5500 rpm |
| 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 Propeller |
| Intake | 16 |
| Ignition | TCI Microcomputer |
| Spark Plug | LKR6E |
| Starting System | Electric |
| Lubrication | Wet Sump |
| Engine Oil Capacity | 3.2/3.0L |
| Recommended Cooling | Thermostatic Control |
| Ethanol Blend Limit | 10% Maximum |
| Gear Ratio | 2.15:1 |
| Gear Shift | Forward, Neutral, Reverse |
| Shaft Length | 20" - 25" |
| Degree of Tilt | 70° |
| Degree of Trim | -4° through +16° |
| Mounting Centers | 26" |
| 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 compares
with the VF115, F115 Jet, F90, F150.
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 vs VF115
- Mounting centers: F115 26-inch; VF115 N/A.
Same on both: 115hp at 5500 rpm rated output, 1.8L displacement, DOHC (16-valve) valvetrain (spec sign), 377 lb lightest listed weight, 2.15:1 gear ratio, 35-amp alternator, 20 and 25-inch shaft, 87 octane.
Same 115 hp class, Yamaha Jet Drive
F115 vs F115 Jet
- Output (at the pump on jets): F115 115hp at 5500 rpm; F115 Jet 80hp @ 5800rpm.
- Gear ratio: F115 2.15:1; F115 Jet Direct Drive.
- Shaft or transom: F115 20 and 25-inch; F115 Jet 25-inch.
- Mounting centers: F115 26-inch; F115 Jet N/A.
Same on both: 1.8L displacement, 377 lb lightest listed weight, 35-amp alternator, 87 octane.
Same family
F115 vs F90
- Rated output: F115 115hp at 5500 rpm; F90 90hp @ 5500 rpm.
- Valvetrain (spec sign): F115 DOHC (16-valve); F90 SOHC (16-valve).
- Weight: F115 24 lb heavier at the lightest weight Yamaha lists (377 lb vs 353 lb).
Same on both: 1.8L displacement, 2.15:1 gear ratio, 35-amp alternator, 20 and 25-inch shaft, 87 octane, 26-inch mounting centers.
Next size up
F115 vs F150
- Rated output: F115 115hp at 5500 rpm; F150 150hp @ 5500 rpm.
- Displacement: F115 1.8L; F150 2.7L (Mechanical) / 2.8L (DEC).
- Weight: F115 132 lb lighter at the lightest weight Yamaha lists (377 lb vs 509 lb).
- Gear ratio: F115 2.15:1; F150 2.00:1.
- Alternator: F115 35 Amp; F150 35 / 50 Amp.
- Fuel: F115 Octane 87; F150 Octane 87 / Octane 89.
- Helm Master EX: F115 not available; F150 compatible.
- Compatible controls: only the F115 lists Multi-Function Tiller Handle; only the F150 lists Digital Controls.
Same on both: DOHC (16-valve) valvetrain (spec sign), 20 and 25-inch shaft, 26-inch mounting centers.
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.
Propellers Yamaha names for the F115
- Yamaha Talon SSFor F70 to F115 and T50/T60 on pontoon, walleye, fiberglass and deep-V boats.
- Yamaha Talon GPFor lighter boats with T50 to F115 outboards.
- Yamaha Talon PontoonFor pontoons, including heavily loaded ones, with T50 to F115 outboards.
- Yamaha Talon SS4Fits F70 to VF115 and T50/T60 K-series (4.25-inch) gearcases; SDS standard.
- Yamaha TalonHigh-grip, low-slip prop for F70 to F115 and T50/T60 pontoons and aluminum boats.
Yamalube oil change kit
- Medium Oil Change KitYamaha's row: Model F115 / VF115 · PROD. YEAR '15~ · 05W-30 KIT NA · 10W-30 KIT LUB-MRNMD-KT-11 · 20W-40 KIT LUB-MRNMD-KT-21
F115 model codes
| Model code | Controls | Color |
|---|---|---|
| F115LB | Remote mechanical | Gray |
| F115XB | Remote mechanical | Gray |
| LF115XB | Remote mechanical | Gray |
| F115LB2 | Remote mechanical | Pearl White |
| F115XB2 | Remote mechanical | Pearl White |
| LF115XB2 | Remote mechanical | Pearl White |
| F115LB3 | Remote mechanical | Matte Brown |
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.
- 1.8-liter DOHC with four valves per cylinder, rated 115 hp.
- 377 lb.
- 20- or 25-inch shafts; 35-amp alternator.
- Optional variable trolling RPM through the Command Link tachometer.
- Phaze Five paint over YDC-30 alloy plus stainless drive, prop and shift shafts and sacrificial anodes.
- Pressurized wet-sump oiling with a compact oil pump.
- Warning system limits RPM to 2000 on overheat or low oil pressure.
- Updated cowling with a Water Draining Intake Duct and side intakes.
- Labyrinth exhaust and revised muffler; quieter than the previous design.
- Multi-point EFI.
- Composite intake manifold with long tube tracks for low-end and mid-range torque.
- TCI microcomputer ignition timing.
- F115 uses DOHC; F90 and F75 use SOHC; all have four valves per cylinder.
- Compatible with the Multi-Function Tiller Handle.
- Three-phase alternators up to 35 amps.
- Variable Trolling RPM Switch: 650-900 RPM (F115) or 550-1000 RPM (F90, F75) in 50-RPM steps.
- Freshwater flush device works without starting the engine.
Repower
Repowering with the F115
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 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 for it. Financing is available on repowers through Yamaha Financial Services.
F115 repower fit
- Shaft lengths
- 20 and 25-inchYamaha spec table
- Mounting centers
- 26-inchYamaha spec table
- Weight †
- 377 to 386 lbYamaha spec table, lightest to heaviest listed
- Control types
- remote mechanical (F115LB, F115XB, LF115XB, F115LB2, F115XB2, LF115XB2, F115LB3)Yamaha model-code list
- Most popular propeller
- Talon (Aluminum) with Shift Dampener System (SDS), 12” pitchYamaha dealer spec sign, 2026-09-01
The Midrange 115 to 75 hp family
Other engines
in this family.
Common questions
Yamaha F115
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 for it. We answer same business day.