Yamaha V6 Offshore 4.2L · Virginia Beach
Yamaha F300 outboard: specs, rigging and repower in Virginia Beach.
The F300 is the top rating of Yamaha's 4.2-liter V6 Offshore, 300 hp at 5500 RPM on 89-octane fuel. Yamaha lists 25, 30 and 35-inch shafts, with 30 and 35 inches on digital (DEC) models only; the digital versions carry built-in electric steering and work with Helm Master EX. Digital models come in Yamaha gray, pearlescent white and classic white; mechanical models are gray only.
- Horsepower
- 300 hp
- Engine type
- V6
- Displacement
- 4.2L
- Shaft length
- 25" - 30" - 35" (F300 DEC Only)
- Weight †
- 250 kg (551 lbs) / 254 kg (562 lbs) / 265 kg (588 lbs)
Specifications
Yamaha F300
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 † | 250 kg (551 lbs) / 254 kg (562 lbs) / 265 kg (588 lbs) |
|---|---|
| Full Throttle RPM Range | 5000 ~ 6000 rpm |
| Fuel Induction System | EFI |
| Recommended Engine Oil | Yamalube® 4M (See owner's manual) |
| Engine Type | V6 |
| Displacement | 4.2L |
| Bore x Stroke | 96 x 96mm (3.78 x 3.78 in) |
| Prop Shaft Horsepower | 300hp at 5500 rpm |
| Alternator Output at W.O.T. | 50 - 70 Amp |
| Compression Ratio | 10.3:1 |
| Recommended Fuel | Octane 89 |
| Recommended Fuel Filtration | Yamaha 10-Micron Fuel / Water Separating Filter (external) |
| C.A.R.B. Rating | 3-Star |
| Exhaust | Through Propeller |
| Intake | 24 |
| Ignition | TCI Microcomputer |
| Spark Plug | LFR6A-11 |
| Starting System | Electric |
| Lubrication | Wet Sump |
| Engine Oil Capacity | 6.3L/6.0L |
| Recommended Cooling | Thermostatic Control |
| Ethanol Blend Limit | 10% Maximum |
| Gear Ratio | 1.75:1 |
| Gear Shift | Forward, Neutral, Reverse |
| Shaft Length | 25" - 30" - 35" (F300 DEC Only) |
| Degree of Tilt | Mechanical 67°, Digital Electric Steering 69°, Bolt-on steering 70° |
| Degree of Trim | -3° through +16° |
| Mounting Centers | 28.5" |
| Steering | Integrated, Electric Actuation |
| Steering Angle (maximum) | 32° from center, either direction |
| Warranty | Limited 3-Year Pleasure, 3-Year Government, 1-Year 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).
Rigging
Shaft lengths, controls
and Helm Master EX.
Shaft lengths
Yamaha lists: 25" - 30" - 35" (F300 DEC Only)
We confirm the right shaft for your transom before we quote.
Controls
- Helm Master® EX (compatible)
- Digital Controls (compatible)
- Mechanical Controls (compatible)
- Multi-Function Tiller Handle (not available)
Gauges
- CL5 Touchscreen Display (compatible)
- Digital and Analog Gauges (compatible)
Yamaha lists Helm Master EX as compatible with the F300. We fit Helm Master EX upgrades and confirm what a given boat can take before we quote it.
Propellers Yamaha names for the F300
- Yamaha Saltwater Series II HPFrom Yamaha's description: Designed for V6 F200 to F300.
- TURBO OFFSHORE IFrom Yamaha's description: For 200-300 hp V6 offshore boats, single or multiple engines.
- TURBO OFFSHORE IIFrom Yamaha's description: For 200-300 hp V6 offshore boats, single or multiple engines.
F300 model codes
| Model code | Controls | Color |
|---|---|---|
| F300XSB | Digital (DEC) | Gray |
| LF300XSB | Digital (DEC) | Gray |
| F300USB | Digital (DEC) | Gray |
| LF300USB | Digital (DEC) | Gray |
| F300ESB | Digital (DEC) | Gray |
| LF300ESB | Digital (DEC) | Gray |
| F300XSB2 | Digital (DEC) | Pearl White |
| LF300XSB2 | Digital (DEC) | Pearl White |
| F300USB2 | Digital (DEC) | Pearl White |
| LF300USB2 | Digital (DEC) | Pearl White |
| F300ESB2 | Digital (DEC) | Pearl White |
| LF300ESB2 | Digital (DEC) | Pearl White |
| F300XSB4 | Digital (DEC) | Classic White |
| LF300USB4 | Digital (DEC) | Classic White |
| LF300XSB4 | Digital (DEC) | Classic White |
| F300ESB4 | Digital (DEC) | Classic White |
| F300USB4 | Digital (DEC) | Classic White |
| LF300ESB4 | Digital (DEC) | Classic White |
| F300XCB | Digital (DEC) | Gray |
| LF300XCB | Digital (DEC) | Gray |
| F300UCB | Digital (DEC) | Gray |
| LF300UCB | Digital (DEC) | Gray |
| F300ECB | Digital (DEC) | Gray |
| LF300ECB | Digital (DEC) | Gray |
| F300XA | Remote mechanical | Gray |
| LF300XA | 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 F300.
- 300 hp 4.2-liter V6; 89-octane fuel recommended.
- 25, 30 and 35-inch shafts; 30 and 35 inches on digital (DEC) models only.
- Alternator output up to 70 amps.
- Updated cowling; Propeller Indicator Lights on the engine when rigged with Helm Master EX.
- Colors: Yamaha gray, pearlescent white and classic white.
- Multi-point electronic fuel injection with electronically controlled throttle valves.
- Six sensors feed the ECM air and engine data for continuous adjustment.
- Plasma-fused sleeveless cylinders allow larger bores without larger outer dimensions.
- Variable Camshaft Timing improves hole shot and mid-range acceleration.
- Digital F300 and F250 have built-in electric steering with no hydraulic hoses.
- Speed Control with Pattern Shift enables sub-idle trolling; HMEX autopilot can target 0.25 mph.
- Helm Master EX compatible on digital models; optional Y-COP theft deterrent.
- Pairs with the Saltwater Series II HP propeller, which uses the Shift Dampener System.
- TotalTilt: double-tap the trim button for a full tilt up or down.
- Thrust Enhancing Reverse Exhaust improves reverse bite below 2500 RPM.
Repower
Repowering with the F300
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 F300 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 F300 for it. Financing is available on repowers through Yamaha Financial Services.
Ready when you are.
The V6 Offshore 4.2L family
Other engines
in this family.
Common questions
Yamaha F300
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 F300 for it. We answer same business day.