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- #Model-F115LB Yamaha F115LB 115 HP Outboard Motor 20-Inch Shaft | 1.8L Inline Four | Remote Mechanical Control | Electric Start | Power Trim & Tilt | Gray Shop the Yamaha F115LB 115 HP four-stroke outboard for compatible pontoons, bay boats, aluminum fishing boats, center consoles, deck boats, and other mid-size hulls that require a 20-inch shaft. This F115 configuration uses Yamaha's 1.8-liter inline four-cylinder platform, Electronic Fuel Injection (EFI), remote mechanical controls, electric start, power trim and tilt, and Command Link-compatible instrumentation. Before ordering, confirm the exact F115LB model, the boat manufacturer's horsepower and engine-weight limits, transom height, shaft requirement, steering and control setup, propeller, rigging, and normal operating load. Yamaha lists the 20-inch F115 configuration at approximately 377 lb; complete installed weight will also depend on propeller, controls, steering, fluids, rigging, and other equipment. Key Features & Benefits 115 HP Yamaha four-stroke outboard with a 1.8-liter inline four-cylinder engine and double overhead camshaft design. 20-inch shaft for boats whose transom height and mounting geometry require the F115 L-shaft configuration. Electronic Fuel Injection (EFI) for precise fuel metering and consistent engine operation. Remote mechanical control configuration for a compatible helm, control box, steering system, cables, and rigging. Electric start with power trim and tilt for starting and engine-angle adjustment. 35-amp alternator output at wide-open throttle for battery charging and supported onboard electrical loads. Command Link compatibility for supported Yamaha gauges and engine-data displays. Yamaha corrosion-protection materials and coatings, including YDC-30 alloy and the Phaze Five paint process, for marine use when maintained according to Yamaha guidance. Standard Yamaha gray finish. Part Number and Compatibility Model code: F115LB. This is the standard-rotation, 20-inch-shaft gray F115 configuration. Do not select an F115 model from horsepower alone; the F115 family also includes 25-inch, counter-rotation, Pearl White, and jet-drive configurations. Buyer check F115LB product detail What to verify before ordering Horsepower 115 HP Stay within the boat manufacturer's maximum horsepower and engine-weight limits. Shaft / transom 20-inch shaft Confirm the boat requires a compatible 20-inch transom and mounting height. Dry weight Approximately 377 lb for the 20-inch F115 configuration Account for the complete installed engine, propeller, fluids, steering, controls, and rigging when evaluating transom load and balance. Controls Remote mechanical Confirm the control box, cables, steering, harnesses, gauges, and helm configuration. Starting / trim Electric start; power trim and tilt Confirm battery, electrical, switch, trim-control, and installation requirements. Propeller Selected for the exact boat setup Match propeller family, diameter, pitch, material, and application to the hull, load, and recommended operating RPM. 20-inch or 25-inch F115? Choose the F115LB only when the boat requires a 20-inch shaft. If the manufacturer specifies a 25-inch transom, compare the F115XB instead. Shaft length should be matched to transom height and mounting geometry, not selected from horsepower or boat type alone. What affects Yamaha F115 price? Final cost can vary by the exact F115 model, current availability, controls, gauges, steering, propeller, harnesses, freight, dealer preparation, installation, warranty options, taxes, and promotions. Use the live product configuration and current quote rather than a generic price range. For setup and ownership, confirm compatible Yamaha outboard controls and Yamaha outboard propellers. For maintenance, use Yamaha outboard oil change kits, Yamaha filters and strainers, Yamaha outboard service kits, and OEM Yamaha outboard parts. Follow the Yamaha outboard service schedule and exact owner/service documentation for the model and production range. Frequently Asked Questions What is the Yamaha F115LB? The F115LB is a Yamaha 115 HP four-stroke outboard configuration with a 20-inch shaft, 1.8-liter inline four-cylinder engine, remote mechanical controls, electric start, power trim and tilt, EFI, and a gray finish. What shaft length does the Yamaha F115LB use? The F115LB uses a 20-inch shaft. Match that shaft length to the boat's transom height and mounting requirements before ordering. How much does the Yamaha F115LB weigh? Yamaha lists the 20-inch F115 configuration at approximately 377 lb. Confirm the current product specification and account for propeller, fluids, controls, steering, and rigging when checking the boat's total engine-weight allowance. Does the F115LB include a propeller and complete rigging? No. The propeller and complete rigging package are selected for the individual boat. Confirm controls, gauges, steering, harnesses, propeller, mounting hardware, freight, preparation, and installation separately. How do I know if the F115LB fits my boat? Confirm the boat manufacturer's 115 HP and engine-weight allowance, 20-inch transom requirement, steering and remote-control system, propeller needs, rigging, and normal passenger and gear load before purchasing. #Model-F115XB Yamaha F115XB 115 HP Outboard Motor 25-Inch Shaft | 1.8L Inline Four | Remote Mechanical Control | Electric Start | Power Trim & Tilt | Gray Shop the Yamaha F115XB 115 HP four-stroke outboard for compatible bay boats, pontoons, center consoles, multispecies boats, deck boats, and other mid-size hulls that require a 25-inch shaft. The F115XB uses Yamaha's 1.8-liter inline four-cylinder platform with EFI, remote mechanical controls, electric start, power trim and tilt, and Command Link-compatible instrumentation. Yamaha performance documentation identifies the F115XB at approximately 386 lb. The 25-inch shaft is a transom-fit specification, not an automatic choice for coastal or saltwater use. Confirm the boat manufacturer's transom height, horsepower and engine-weight limits, steering and control system, rigging, propeller, and installation requirements before ordering. Key Features & Benefits 115 HP Yamaha four-stroke outboard with a 1.8-liter inline four-cylinder engine and double overhead camshaft design. 25-inch shaft for boats whose transom height and mounting geometry require the X-shaft F115 configuration. Electronic Fuel Injection (EFI) for precise fuel metering and consistent engine operation. Remote mechanical control configuration for a compatible helm, control box, steering system, cables, and rigging. Electric start with power trim and tilt for starting and engine-angle adjustment. 35-amp alternator output at wide-open throttle for charging and supported onboard electrical loads. Command Link compatibility for supported Yamaha gauges and engine-data displays. Yamaha YDC-30 alloy and marine corrosion-protection coating system for appropriate marine applications when maintained correctly. Standard Yamaha gray finish. Part Number and Compatibility Model code: F115XB. This is the standard-rotation, 25-inch-shaft gray F115 configuration. It should not be confused with the 20-inch F115LB, counter-rotation LF115XB, Pearl White F115XB2, or F115JB jet model. Buyer check F115XB product detail What to verify before ordering Horsepower 115 HP Confirm the hull is approved for the selected horsepower and engine weight. Shaft / transom 25-inch shaft Match the engine to a compatible 25-inch transom and mounting geometry. Dry weight Approximately 386 lb Include propeller, fluids, controls, steering, and rigging when evaluating total installed weight and balance. Rotation Standard rotation For compatible twin installations that require a counter-rotation partner, compare LF115XB. Controls Remote mechanical Confirm the helm, control box, cables, steering, harnesses, and gauges. Starting / trim Electric start; power trim and tilt Confirm battery, electrical, switch, trim-control, and installation requirements. F115XB vs. F115LB: Both are standard-rotation 115 HP F115 models, but F115XB uses a 25-inch shaft while F115LB uses a 20-inch shaft. Select the suffix that matches the boat's transom and mounting requirements. What affects Yamaha F115 price? Final cost can vary by model, availability, controls, steering, gauges, propeller, harnesses, freight, dealer preparation, installation, warranty options, taxes, and promotions. Compare the complete installed setup rather than engine price alone. For setup and ownership, confirm compatible Yamaha outboard controls and Yamaha outboard propellers. For maintenance, use Yamaha outboard oil change kits, Yamaha filters and strainers, Yamaha outboard service kits, and OEM Yamaha outboard parts. Use the Yamaha outboard service schedule together with the exact owner/service documentation. Frequently Asked Questions What is the Yamaha F115XB? The F115XB is a Yamaha 115 HP four-stroke outboard with a 25-inch shaft, 1.8-liter inline four-cylinder engine, remote mechanical controls, electric start, power trim and tilt, EFI, and a gray finish. What is the difference between F115XB and F115LB? The verified configuration difference is shaft length: F115XB uses a 25-inch shaft and F115LB uses a 20-inch shaft. Confirm the exact transom requirement before choosing between them. How much does the Yamaha F115XB weigh? Yamaha performance documentation identifies F115XB at approximately 386 lb. The complete installed weight will be higher once the propeller, fluids, controls, steering, and rigging are included. Does the F115XB use digital throttle and shift? The F115XB model is listed as a remote mechanical-control configuration. It is Command Link compatible for supported Yamaha instrumentation, but gauge compatibility should not be treated as proof of digital throttle-and-shift control. Does the F115XB include a propeller or complete rigging kit? No. Select the propeller, controls, gauges, steering, harnesses, mounting hardware, and other rigging for the exact boat and installation. #Model-LF115XB Yamaha LF115XB 115 HP Counter-Rotation Outboard Motor 25-Inch Shaft | Counter-Rotation | Remote Mechanical Control | Electric Start | Power Trim & Tilt | Gray Shop the Yamaha LF115XB 115 HP four-stroke outboard when a compatible multi-engine installation calls for Yamaha's 25-inch counter-rotation F115 configuration. The LF115XB uses the same 1.8-liter F115 engine family with EFI, remote mechanical controls, electric start, power trim and tilt, and Command Link-compatible instrumentation, while its counter-rotation gearcase differentiates it from the standard-rotation F115XB. Yamaha performance bulletins show F115XB/LF115XB twin installations and identify the 25-inch F115 platform at approximately 386 lb per engine. Counter-rotation selection is part of the complete propulsion and rigging plan, so confirm engine pairing, propeller rotation, steering, mounting position, transom capacity, and dealer installation requirements rather than choosing LF115XB from horsepower alone. Key Features & Benefits 115 HP Yamaha four-stroke outboard built on the 1.8-liter inline four-cylinder F115 platform. 25-inch shaft for compatible higher-transom installations. Counter-rotation model for installations where Yamaha specifies a counter-rotating engine as part of the propulsion setup. Electronic Fuel Injection (EFI). Remote mechanical control configuration. Electric start with power trim and tilt. 35-amp alternator output at wide-open throttle. Command Link compatibility for supported Yamaha gauges and engine-data displays. Standard Yamaha gray finish with Yamaha marine corrosion-protection materials and coatings. Part Number and Compatibility Model code: LF115XB. Yamaha lists this model as the counter-rotation 25-inch F115. It is commonly paired in compatible twin-engine applications, but final engine pairing, mounting position, propeller selection, and rigging should follow the boat manufacturer's and Yamaha dealer's requirements. Buyer check LF115XB product detail What to verify before ordering Horsepower 115 HP Confirm the boat's total horsepower and engine-weight limits for the complete installation. Shaft / transom 25-inch shaft Confirm compatible transom height and mounting position for the engine in the multi-engine layout. Rotation Counter-rotation Confirm the required engine side, matching standard-rotation partner, propeller rotation, and steering setup. Weight Approximately 386 lb for the 25-inch F115 platform Account for both engines and all installed rigging when evaluating transom load and vessel balance. Controls Remote mechanical Confirm compatible controls, steering, cables, harnesses, and instrumentation for the twin setup. Propeller Counter-rotation propeller selected for the application Match propeller rotation, diameter, pitch, and material to the engine pair, hull, load, and target operating RPM. LF115XB vs. F115XB: Both use a 25-inch shaft and the 1.8-liter F115 platform. LF115XB is Yamaha's counter-rotation model, while F115XB is the standard-rotation model. Do not substitute one for the other without confirming the complete multi-engine rigging plan. For installation and service, use the appropriate Yamaha outboard controls, select compatible Yamaha outboard propellers, and verify replacement items through OEM Yamaha outboard parts. Maintenance resources include Yamaha outboard oil change kits, Yamaha filters and strainers, and the Yamaha outboard service schedule. Frequently Asked Questions What is the Yamaha LF115XB? The LF115XB is Yamaha's 25-inch, counter-rotation F115 configuration with a 1.8-liter inline four-cylinder engine, remote mechanical controls, electric start, power trim and tilt, and EFI. What does counter-rotation mean on the LF115XB? Yamaha identifies LF115XB as a counter-rotation model. In a compatible multi-engine installation, counter rotation is used as part of the engine-pairing and propeller-rotation plan. Confirm the correct mounting side and partner engine before ordering. Can I choose LF115XB instead of F115XB for a single-engine boat? Do not choose the counter-rotation LF115XB as a substitute based on horsepower or shaft length alone. Confirm the intended propulsion layout, propeller rotation, steering, and installation requirements with the boat manufacturer or Yamaha dealer. What shaft length does LF115XB use? The LF115XB uses a 25-inch shaft. Confirm that shaft length and the engine's mounting position against the boat's transom and multi-engine layout. Does LF115XB include the propeller and twin-engine rigging? No. Propellers, controls, steering, gauges, harnesses, mounting hardware, and other rigging must be selected for the exact twin-engine installation. #Model-F115XB2 Yamaha F115XB2 115 HP Outboard Motor 25-Inch Shaft | Remote Mechanical Control | Electric Start | Power Trim & Tilt | Pearl White Shop the Yamaha F115XB2 115 HP four-stroke outboard when the boat requires a 25-inch shaft and the Pearl White F115 configuration. Yamaha's model listing identifies F115XB2 as a 1.8-liter inline four-cylinder, remote-mechanical model with power trim and tilt, Command Link compatibility, and the same 115 HP F115 family application as the gray F115XB. The Pearl White finish is a verified model-level distinction, but color should not replace the normal fitment checks. Confirm the boat manufacturer's horsepower and engine-weight limits, 25-inch transom requirement, steering and control system, propeller, rigging, and current model availability before ordering. Key Features & Benefits 115 HP Yamaha four-stroke outboard on the 1.8-liter inline four-cylinder F115 platform. 25-inch shaft for compatible X-shaft transom and mounting requirements. Pearl White Yamaha finish. Electronic Fuel Injection (EFI). Remote mechanical control configuration. Electric start with power trim and tilt. 35-amp F115 charging output at wide-open throttle. Command Link compatibility for supported Yamaha gauges and engine-data displays. Yamaha corrosion-protection materials and coatings for marine use when maintained according to Yamaha guidance. Part Number and Compatibility Model code: F115XB2. Yamaha's PY26 model listing identifies this as the Pearl White, 25-inch, standard-rotation F115 configuration with remote mechanical controls and power trim and tilt. Buyer check F115XB2 product detail What to verify before ordering Horsepower 115 HP F115 family Confirm the boat manufacturer's maximum horsepower and engine-weight limits. Shaft / transom 25-inch shaft Confirm the boat requires the 25-inch F115 configuration. Finish Pearl White Verify the exact model suffix and current product image/finish before ordering. Rotation Standard rotation For a Pearl White counter-rotation partner, compare LF115XB2. Controls Remote mechanical Confirm controls, steering, gauges, harnesses, and helm requirements. Propeller / rigging Selected separately Choose the propeller and complete rigging for the specific boat, load