Yamaha F90LB2 90HP Outboard – 20in Shaft

SKU: YAM-090-F90LB2-20
In Stock

Quiet by design, Yamaha F90LB2 moves boats with 90 horsepower. Transom height calls for the 20-inch shaft. Gray finish stands up to marine use. It keeps the rigging simple for first-time outboard buyers.

  • 90 horsepower, ready to run
  • Shaft length 20 inches
  • Gray coating resists everyday scuffs
  • Balanced power-to-weight for its class
  • 20-inch shaft for most transoms
$7,479.00
In Stock
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Description

Blinding coastal sun reflection meets its match with the Pearlescent White Yamaha F90LB2 bolted to your pontoon. The 1.8-liter DOHC block vaporizes fuel flawlessly, launching heavy fiberglass center consoles out of the hole with explosive midrange torque. Verifying your hull geometry ensures this white 90hp remote steer outboard operates efficiently without creating excessive hydrodynamic drag on the lower unit.

Stop severe cosmetic sun damage completely by leveraging the factory Pearlescent White marine paint finish as a physical UV barrier. You reflect intense ultraviolet rays physically while navigating crowded harbors via precise remote mechanical steering. Yamaha engineers the 160 kg midsection using specialized anti-corrosion marine aluminum. This structural barrier stops rapid galvanic decay when repowering luxury fiberglass skiffs in high-salinity coastal environments.

Key Features of Yamaha F90LB2

  • Pearlescent White Finish: Reflects intense ultraviolet sunlight physically, preventing cosmetic fading and matching premium fiberglass hull finishes perfectly.
  • 1.8-Liter DOHC Block: Breathes massive volumes of clean air efficiently, generating 90 horsepower effortlessly to lift heavy fiberglass hulls onto plane.
  • 20-Inch Standard Shaft: Matches standard high-performance transoms perfectly, keeping the gearcase profile tight to maximize top-end running speeds.
  • Electronic Fuel Injection: Calculates precise air-fuel ratios continuously, eliminating carburetor hesitation and ensuring crisp throttle response across the RPM band.
  • Hydraulic Power Trim: Adjusts the running angle dynamically via a console switch, optimizing bow attitude across aggressive offshore swells.
  • Remote Mechanical Control: Accepts standard mechanical cables directly from your forward helm, integrating flawlessly with classic steering consoles.
  • 35-Amp Charging Alternator: Outputs constant electrical current while running, keeping deep cycle batteries topped off for commercial aerators and navigation lights.
  • 2.15:1 Gearcase Ratio: Spins aggressive high-pitch propellers efficiently, translating inline-four torque directly into forward vessel momentum.
  • Anti-Corrosion Castings: Blocks severe galvanic decay physically, protecting the aluminum powerhead block across decades of daily saltwater exposure.
  • Clean Four-Stroke Combustion: Eliminates messy two-stroke oil reservoirs, keeping your bilge completely clean while meeting strict clean water standards.

Why Choose Yamaha F90LB2

Choosing this specific white-finished engine limits installation entirely to 20-inch tall transoms rigged with forward steering wheels. You cannot operate this via a tiller handle safely. Correcting your rigging geometry is a mandatory step when seeking a reliable white 20 inch shaft outboard replacement.

  • Measure the vertical distance from your top transom edge to the keel bottom.
  • Install corresponding mechanical control cables sized exactly for your specific boat length.
  • Keep coastal waters clean by running highly regulated four-stroke engine configurations.

Ideal Application and Vessel Fitment

This 20-inch remote-steered outboard excels on modern bay boats, white fiberglass skiffs, and 17-21ft center consoles where aesthetics matter deeply. By integrating a proven 1832cc displacement block with the striking Pearlescent White finish, the engine acts as an incredibly reliable mechanical workhorse that complements premium boat designs. The 20-inch shaft ensures the center of gravity remains low, making this white 90hp outboard motor an absolute necessity for fast bay fishing and cruising.

Warranty, Support and Maintenance

Authorized recreational operation receives a 3-Year Limited Pleasure Craft Warranty alongside exceptional factory support. Registered commercial applications fall under a strict 1-Year Commercial Warranty with zero corrosion coverage applied to the block. Scheduled maintenance requires replacing gearcase lubricants and changing oil filters at manual-specified intervals. Always save all physical service records. Your engine serial number acts as the only way to source exact genuine replacement parts. Mulmotor provides product-information support before purchase and assistance with order-related questions.

Yamaha 90HP F90LB2 White Specs

BrandYamaha
Full Model CodeF90LB2 (Pearlescent White)
Country of OriginJapan
Engine Family/SeriesMidrange FourStroke
Engine TypeInline 4 / 16-Valve SOHC / 4-Stroke
Displacement1.8 Liters (1832 cc)
Horsepower90 HP @ 5500 RPM
Full Throttle RPM Range5000 - 6000 RPM
Fuel Induction SystemEFI (Electronic Fuel Injection)
Alternator Output35 Amps
Gear Ratio2.15:1
Shaft Length20" (Long)
Dry Weight160 kg (353 lbs)
Bore x Stroke81 x 88.9 mm
Starting & Steering SystemElectric w/ Remote Mechanical Steering
Trim/Tilt MethodPower Trim & Tilt
Oil Capacity3.2L
Recommended Fuel87 Octane
Standard Warranty3-Year Limited Pleasure
ApplicationVersatile midrange power for pontoon boats and center consoles with a white aesthetic.

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