Yamaha LF115XB 115HP Outboard – 25in Shaft, Counter Rotation
For twin rigs, Yamaha LF115XB brings 115 horsepower. A 25-inch shaft carries counter-rotating gears for twin-engine rigs. Anglers rely on it for predictable starts, trip after trip. A fit for pontoons and bay boats.
- 115 horsepower, ready to run
- 25-inch shaft for most transoms
- Pairs with a standard-rotation twin
- Backed by standard marine warranty
- Balances torque on twin installs
Description
Heavy offshore tracking instability is instantly neutralized when the counter-rotating Yamaha LF115XB anchors the port side of your twin-engine rig. The naturally aspirated 1.8-liter DOHC block breathes massive volumes of air, pushing loaded 25-foot fiberglass hulls onto plane without mechanical hesitation. Verifying your twin-engine bracket guarantees this 115hp extra long shaft outboard fits securely without causing dangerous water pump starvation.
Cancel aggressive starboard steering torque permanently by integrating this specialized left-hand rotation gearcase into your mechanical steering setup. You pilot massive twin-engine rigs with absolute precision through violent offshore chop safely. Engineers cast the 175 kg assembly using specialized anti-corrosion marine aluminum alloys. This structural barrier stops severe galvanic decay when repowering twin engine offshore boats for continuous saltwater tournament operation.
Key Features of Yamaha LF115XB
- Counter-Rotating Gearcase: Cancels the massive lateral thrust of a standard engine, keeping twin-engine performance hulls tracking perfectly straight underway.
- 1.8-Liter DOHC Block: Breathes massive volumes of clean air efficiently, generating 115 horsepower effortlessly to lift heavy fiberglass hulls onto plane.
- 25-Inch Extra-Long Shaft: Reaches deep below elevated offshore transoms, keeping the propeller fully engaged in clean undisturbed water during heavy chop.
- Electronic Fuel Injection: Calculates precise fuel requirements continuously, eliminating carburetor hesitation and ensuring crisp throttle response across the 5800 RPM band.
- 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.
- Hydraulic Power Trim: Adjusts the running angle dynamically via a console switch, optimizing bow attitude across aggressive offshore swells.
- 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 LF115XB
This exact counter-rotating 25-inch drive acts strictly as the port-side companion in a twin-engine array. You cannot run it as a standalone single engine without fighting severe steering torque. Proper setup requires a standard rotation starboard partner when finding a counter rotating 115hp yamaha outboard.
- Verify your twin-engine transom bracket accommodates a 25-inch shaft length safely.
- Link the mechanical control cables to your master binnacle to synchronize shift commands perfectly.
- Keep coastal waters clean by running highly regulated four-stroke engine configurations.
Ideal Application and Vessel Fitment
This 25-inch counter-rotating outboard is engineered strictly for twin-engine deep-V center consoles, large luxury pontoons, and heavy coastal fishing boats. Operating as the port-side drive in a twin engine offshore setup, it actively cancels starboard propeller torque to keep the vessel tracking perfectly straight at high cruising speeds. It thrives in blue water tournament fishing where balancing massive 230-horsepower combined thrust requires precise multi-engine mechanical power without excessive transom weight.
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 LF115XB Counter Rotation Specs
| Brand | Yamaha |
| Full Model Code | LF115XB (Left Hand Rotation) |
| 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) |
| Rotation | Counter (Left Hand) |
| Gear Ratio | 2.15:1 |
| Shaft Length | X: 635 mm (25 in) |
| Dry Weight | 175 kg (386 lbs) |
| Starting & Steering | Electric Start & Remote Control |
| Trim/Tilt Method | Power Trim and Tilt |
| Standard Warranty | 3-Year Pleasure |
| Application | Twin-Engine Coastal Boats (Port Side Engine) |














Reviews
There are no reviews yet.