Yamaha F115LB2 115HP 4-Stroke Outboard – 20in Shaft
Straight talk: Yamaha F115LB2 brings 115 horsepower. Transom height calls for the 20-inch shaft. Boaters pick it for a straightforward, low-maintenance setup. Common on pontoons and bay boats.
- 115 horsepower, 4-stroke reliability
- Shaft length 20 inches
- Straightforward to service and maintain
- 115 horsepower on tap
- Fits 20-inch transom height
Description
Blinding coastal sun reflection meets its match with the Pearlescent White Yamaha F115LB2 bolted to your transom. 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 115hp 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. You reflect intense ultraviolet rays physically while navigating crowded harbors via precise remote mechanical steering. Yamaha engineers the 171 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 F115LB2
- 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 115 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 F115LB2
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 15-17ft 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 115hp outboard motor an absolute necessity for fast bay fishing and cruising.
Warranty, Support and Maintenance
Authorized recreational operation receives a 3-Year Pleasure 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 F115LB2 Pearlescent White Specs
| Brand | Yamaha |
| Full Model Code | F115LB2 |
| Color | Pearlescent White |
| Engine Type | In-line 4-Cylinder, 16-Valve DOHC |
| Displacement | 1.8 Liters (1832 cc) |
| Horsepower | 115 HP @ 5800 RPM |
| Fuel Induction | Electronic Fuel Injection (EFI) |
| Alternator Output | 35 Amps |
| Gear Ratio | 2.15:1 |
| Shaft Length | L: 508 mm (20 in) |
| Dry Weight | 171 kg (377 lbs) |
| Starting & Steering | Electric Start & Remote Control |
| Trim/Tilt Method | Power Trim and Tilt |
| Application | Luxury Fiberglass Boats, White Coastal Skiffs |












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