Yamaha Midrange 70 to 50 hp · Virginia Beach

Yamaha F50 outboard: specs, rigging and repower in Virginia Beach.

The F50 is the 50 hp version of the 1.0-liter midrange, derived from the F70 design and weighing 247 lb. It has a 20-inch shaft, comes in gray, pearlescent white and matte brown, and is also built as the T50 High Thrust for heavy loads.

Horsepower
50 hp
Engine type
i4
Displacement
1.0L
Shaft length
20"
Weight †
112 kg (247 lbs)
Yamaha
Yamaha Midrange 70 to 50 hp outboard family
Shown: the Yamaha Midrange 70 to 50 hp family.Outboard images: Yamaha Motor Corporation. Coastal Marine is an authorized Yamaha dealer and installs these outboards at its Shore Drive shop.

Specifications

Yamaha F50
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.

Yamaha F50 specifications
Weight †112 kg (247 lbs)
Full Throttle RPM Range5000 ~ 6000 rpm
Fuel Induction SystemEFI
Recommended Engine OilYamalube® 4M (See owner's manual)
Engine Typei4
Displacement1.0L
Bore x Stroke65 x 75mm (2.56 x 2.95 in.)
Prop Shaft Horsepower50hp at 5500 rpm
Alternator Output at W.O.T.16 amp
Compression Ratio9.5:1
Recommended FuelOctane 87
Recommended Fuel FiltrationYamaha 10-Micron Fuel/Water Separating Filter (external)
C.A.R.B. Rating3-Star
ExhaustThrough Propeller
Intake8
IgnitionTCI Microcomputer
Spark PlugDPR6EB-9
Starting SystemElectric
LubricationWet Sump
Engine Oil Capacity2.1/1.9L
Recommended CoolingThermostatic Control
Ethanol Blend Limit10% Maximum
Gear Ratio1.85:1
Gear ShiftForward, Neutral, Reverse
Shaft Length20"
Degree of Tilt69°
Degree of Trim-4° through +16°
Mounting CentersN/A
Steering Angle (maximum)40° from center, either direction
WarrantyLimited 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).

Compared

How the F50 compares
with the T50, F60, F40.

From Yamaha's spec tables; weights are the lightest Yamaha lists, valvetrain is from its dealer spec signs.

Same 50 hp class, Yamaha High Thrust

F50 vs T50

  • Weight: F50 15 lb lighter at the lightest weight Yamaha lists (247 lb vs 262 lb).
  • Gear ratio: F50 1.85:1; T50 2.33:1.

Same on both: 50hp at 5500 rpm rated output, 1.0L displacement, SOHC (8-valve) valvetrain (spec sign), 16-amp alternator, 20-inch shaft, 87 octane.

Same family

F50 vs F60

  • Rated output: F50 50hp at 5500 rpm; F60 60hp at 5500rpm.

Same on both: 1.0L displacement, SOHC (8-valve) valvetrain (spec sign), 247 lb lightest listed weight, 1.85:1 gear ratio, 16-amp alternator, 20-inch shaft, 87 octane.

Next size down

F50 vs F40

  • Rated output: F50 50hp at 5500 rpm; F40 40hp at 5500rpm.
  • Displacement: F50 1.0L; F40 747cc.
  • Valvetrain (spec sign): F50 SOHC (8-valve); F40 SOHC (6-valve).
  • Weight: F50 33 lb heavier at the lightest weight Yamaha lists (247 lb vs 214 lb).
  • Gear ratio: F50 1.85:1; F40 2.00:1.
  • Alternator: F50 16 amp; F40 17 amp.

Same on both: 20-inch shaft, 87 octane.

Rigging

Controls, gauges
and Helm Master EX.

Controls

Gauges

Yamaha lists Helm Master EX as not available for the F50.

Propellers Yamaha names for the F50

Every Yamaha and TURBO prop

Yamalube oil change kit

  • Small Oil Change KitYamaha's row: Model F50 · PROD. YEAR '95~ · 05W-30 KIT NA · 10W-30 KIT LUB-MRNSM-KT-10 · 20W-40 KIT LUB-MRNSM-KT-20

F50 model codes

Yamaha F50 model codes from Yamaha's current model-code list
Model codeControlsColor
F50LCRemote mechanicalGray
F50LC2Remote mechanicalPearl White
F50LC3Remote mechanicalMatte 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 F50.

  • 1.0-liter 50 hp midrange derived from the F70 design.
  • 247 lb; 20-inch shaft; 16-amp alternator.
  • Variable Trolling RPM Switch available depending on gauges and controls.
  • Also built as the T50 High Thrust for heavy loads.
  • Colors: Yamaha gray, pearlescent white and matte brown.
  • Phaze Five anti-corrosion paint over YDC-30 alloy.
  • Warning system limits RPM to 2000 on overheat or low oil pressure.
  • Cowling drain and intake labyrinth keep water out of the intake.
  • Pressurized wet-sump oiling for the SOHC valvetrain.
  • Magnetic drain plug in the lower unit captures metal particles from gear oil.
  • Single overhead camshaft for a compact, light powerhead.
  • Multi-point EFI.
  • TCI microcomputer ignition timing.
  • Single throttle valve feeds pulse-tuned long intake tracks.
  • Optional Multi-Function Tiller Handle with Variable Trolling RPM Switch (50-RPM steps).
  • Freshwater flush device works without running the engine.
  • Optional Command Link gauges in square or round styles.

Repower

Repowering with the F50
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 F50 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 F50 for it. Financing is available on repowers through Yamaha Financial Services.

F50 repower fit

Shaft lengths
20-inchYamaha spec table
Weight †
247 lbYamaha spec table
Control types
remote mechanical (F50LC, F50LC2, F50LC3)Yamaha model-code list
Most popular propeller
Aluminum, 12” pitchYamaha dealer spec sign, 2026-09-01

Common questions

Yamaha F50
questions, answered.

Yamaha lists the same 1.0L displacement, SOHC (8-valve) valvetrain (spec sign), 247 lb lightest listed weight, 1.85:1 gear ratio, 16-amp alternator, 20-inch shaft and 87 octane for both. Where they differ: Rated output: F50 50hp at 5500 rpm; F60 60hp at 5500rpm. Also on the F50 and not the F60: Variable Trolling RPM Switch available depending on gauges and controls. Also built as the T50 High Thrust for heavy loads.

Against the T50: Weight: F50 15 lb lighter at the lightest weight Yamaha lists (247 lb vs 262 lb). Gear ratio: F50 1.85:1; T50 2.33:1.

Yamaha's dealer spec sign for the F50 names this as its most popular propeller: Aluminum, 12” pitch.

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 F50 for it. We answer same business day.

Just leave a phone or an email.

Call (757) 464-4600Text