2024 Yamaha outboard F25SWTHC2

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2024 Yamaha outboard F25SWTHC2

Original price was: $5,000.00.Current price is: $4,500.00.

2024 Yamaha F25SWTHC2 25HP 4-Stroke Outboard — 15-Inch Tiller, Power Trim & Tilt

The 2024 Yamaha F25SWTHC2 is a 25HP four-stroke portable outboard configured with a 15-inch shaft, tiller-handle steering, electric and manual starting, and power trim and tilt. This particular model is finished in Yamaha’s Pearl White color and is designed for small boats that need convenient tiller control together with the added flexibility of power trim and tilt.

The Performance Engines listing identifies this engine as a brand-new 2024 Yamaha F25SWTHC2. The advertised package is for the motor only, while rigging labor and rigging components are additional. Yamaha’s model listings identify the F25SWTHC2 as a 15-inch tiller model with electric and manual start, power trim and tilt, and a Pearl White finish.

Yamaha F25SWTHC2 Specifications

Specification Details
Make Yamaha
Model F25SWTHC2
Model Year 2024
Horsepower 25 HP
Engine Type 4-stroke, SOHC, 2-cylinder
Displacement 432 cc
Bore x Stroke 65 x 65.1 mm
Fuel System Electronic fuel injection
Ignition Microcomputer-controlled ignition
Starting Electric and manual
Steering Tiller handle
Shaft Length 15 inches / short shaft
Full-Throttle RPM 5,000–6,000 RPM
Rated Power Speed 5,500 RPM
Alternator Output 16 amps
Gear Ratio 2.08:1
Gear Shift Forward, Neutral, Reverse
Trim and Tilt Power trim and tilt
Finish Pearl White
Approximate Weight 146 lb / 66 kg
Recommended Fuel Regular unleaded, 87 octane minimum

432cc Yamaha F25 Four-Stroke Powerhead

The F25SWTHC2 uses Yamaha’s 432cc two-cylinder four-stroke powerhead with a single overhead camshaft. The compact two-cylinder design gives the F25 useful power without the physical size and weight associated with many larger outboards.

The engine’s 65 x 65.1 mm bore and stroke produce 432cc of displacement. Yamaha specifies a full-throttle operating range of approximately 5,000–6,000 RPM, with maximum rated power around 5,500 RPM. Keeping the engine within its recommended operating range under normal load is important when selecting the propeller.

Electronic Fuel Injection and Microcomputer Ignition

The F25SWTHC2 uses electronic fuel injection and microcomputer-controlled ignition. The EFI system electronically manages fuel delivery instead of relying on a conventional carburetor, while the ignition system controls spark timing according to engine operating conditions.

This combination is useful for a portable outboard that may be used for fishing, recreation, transportation or utility work because it provides modern fuel and ignition management while retaining the compact layout of the F25 platform.

Electric and Manual Starting

The F25SWTHC2 provides both electric and manual starting. Electric start offers convenience during normal operation, while the manual starting system provides an alternative starting method.

The dual-start configuration is particularly useful on small boats because it combines the convenience of electric starting with a manual backup. The exact battery and electrical installation should be completed according to Yamaha’s installation requirements.

15-Inch Short Shaft Configuration

The SW configuration uses a 15-inch short shaft. This is important when matching the outboard to a boat because the engine’s shaft length must correspond with the transom height and the manufacturer’s recommended installation position.

Before purchasing the F25SWTHC2 as a repower, measure the existing boat transom rather than assuming that every small boat requires a short shaft. A 20-inch-transom boat may require a long-shaft model instead. Correct shaft selection affects propeller depth, water pickup, handling and overall engine operation.

Tiller-Handle Steering

The F25SWTHC2 is a tiller-controlled outboard. The operator controls steering and throttle directly from the tiller rather than using a separate helm and remote mechanical controls.

This configuration is well suited to compatible jon boats, aluminum fishing boats, skiffs, inflatables, tenders and other vessels where the operator sits near the stern. Yamaha’s F25 tiller platform also provides variable trolling-speed control on applicable configurations, allowing anglers to make fine low-speed adjustments.

Power Trim and Tilt

One of the key differences between the F25SWTHC2 and simpler F25 portable configurations is its power trim and tilt system. Yamaha identifies the F25SWTHC2 specifically as a 15-inch tiller model equipped with power trim and tilt.

Power trim allows the operator to adjust the outboard’s running angle while underway. Tilt allows the engine to be raised for launching, trailering or appropriate shallow-water operation. Because the system adds equipment to the outboard, this model is mounted using through-bolted engine mounts rather than relying on the hand-clamp arrangement used on simpler portable configurations.

Dual-Thrust Propeller and Low-Speed Control

The F25SWTHC2 is part of Yamaha’s F25 tiller/high-thrust-oriented portable range. Its propeller and lower-unit setup are intended to provide useful thrust and control at low speeds, which can be valuable when maneuvering a loaded small boat or trolling.

Propeller selection still needs to be matched to the specific hull and load. The correct propeller should allow the engine to reach Yamaha’s recommended 5,000–6,000 RPM range at wide-open throttle under the boat’s normal operating conditions. Choosing a propeller only because it fits physically can result in an unsuitable operating load.

16-Amp Charging System

The F25 platform includes a 16-amp alternator. This provides charging capacity for the boat’s electrical system while the engine is operating, subject to the vessel’s battery, wiring, protection and accessory configuration.

When installing the F25SWTHC2, verify the battery specification and electrical connections. Accessories such as fish finders, navigation lights and other electronics should be wired and protected according to their manufacturer’s requirements.

Power, Weight and Portable-Boat Applications

At approximately 146 lb / 66 kg, the F25SWTHC2 combines 25HP output with a relatively compact portable package. Yamaha and marine dealers position this configuration for compatible small vessels including fishing boats, aluminum skiffs, inflatables, tenders and other boats using a 15-inch transom.

Before installation, confirm the boat’s maximum horsepower rating, transom capacity and total weight capacity. The engine should not be used to exceed the manufacturer’s rating for the boat.

Fuel, Lubrication and Cooling

The F25SWTHC2 is a water-cooled four-stroke engine with wet-sump lubrication. Published specifications identify regular unleaded gasoline with a minimum 87-octane rating, with fuel containing no more than the ethanol percentage allowed by Yamaha’s applicable specification.

Yamaha’s published F25 information also identifies a 10-micron fuel/water-separating filter for applicable installations. Clean fuel is particularly important for EFI systems, so contaminated fuel and water should be prevented from entering the engine’s fuel system.

Yamaha F25 Tiller Controls and Variable Trolling

The multifunction tiller arrangement is useful for anglers who need precise control at low speed. Published F25SWTHC2 specifications identify a variable trolling range of approximately 750–1,050 RPM, adjustable in small increments, which can help when maintaining a controlled trolling speed.

Actual boat speed at a given engine RPM will depend on propeller selection, hull design, boat weight, current, wind and load. Variable trolling control should therefore be viewed as an engine-speed adjustment rather than a guarantee of a particular boat speed.

Pearl White Finish

The F25SWTHC2 is the Pearl White version of Yamaha’s 15-inch F25 tiller configuration with power trim and tilt. Yamaha’s official consumer price lists identify the F25SWTHC2 as Pearl White and distinguish it from the gray F25SWTHC configuration.

This matters when ordering replacement cosmetic parts or matching an engine to an existing boat because the model suffix identifies more than just horsepower. The exact model and serial information should be used when ordering parts.

2024 Model and New-Motor Listing Details

The Performance Engines listing identifies this unit as a 2024 Yamaha F25SWTHC2 and describes it as brand new. The advertised price is for the motor only. Labor for rigging is not included, so installation, steering arrangements, battery work and other rigging requirements should be discussed separately before purchase.

The original listing also references manufacturer rebates and incentives. Promotional pricing and applicable rebates can change, so current pricing and terms should be confirmed with Performance Engines before ordering.

Repowering With the F25SWTHC2

The F25SWTHC2 can be a useful repower option when a boat is correctly rated for 25HP and has a compatible 15-inch transom. However, a repower is more than simply bolting the engine onto the transom.

Check the transom structure, engine mounting position, steering clearance, battery location, fuel system, electrical wiring, propeller selection and available space for the tiller handle. Because this model uses power trim and tilt, confirm that the boat’s transom and mounting arrangement are appropriate for the power-trim configuration.

F25SWTHC2 Compared With Other F25 Models

Yamaha offers multiple F25 configurations. The F25SWTHC2 is distinguished by its 15-inch shaft, tiller steering, Pearl White finish, electric and manual start, and power trim and tilt. Yamaha’s model listings also show other F25 configurations with different shaft lengths, finishes and equipment.

That means buyers should compare the complete model code rather than searching only for “Yamaha 25HP.” Two F25 engines can have the same horsepower while differing in shaft length, steering, trim system, starting equipment and finish.

Related Yamaha Outboards

If you are comparing the F25SWTHC2 with other Yamaha engines, Performance Engines also has listings for different horsepower ranges and applications. Review the 2024 Yamaha F25 25HP, Yamaha 9.9HP 4-stroke, Yamaha 15HP 2-stroke Enduro and 2024 Yamaha T60LB High Thrust listings for different boat and repower requirements.

Frequently Asked Questions

What is the horsepower of the Yamaha F25SWTHC2?

The F25SWTHC2 is rated at 25 horsepower.

What year is the Yamaha F25SWTHC2 in this listing?

The Performance Engines listing identifies this particular engine as a 2024 model.

Is the F25SWTHC2 a four-stroke engine?

Yes. It is a 25HP four-stroke Yamaha outboard with a 432cc two-cylinder SOHC powerhead.

What is the displacement of the Yamaha F25SWTHC2?

The F25SWTHC2 has 432cc of displacement.

Does the F25SWTHC2 have fuel injection?

Yes. The F25 platform uses electronic fuel injection.

Does the Yamaha F25SWTHC2 have electric start?

Yes. It has both electric and manual starting.

What shaft length does the F25SWTHC2 use?

The F25SWTHC2 uses a 15-inch short shaft.

Does the F25SWTHC2 have power trim and tilt?

Yes. Power trim and tilt is one of the defining features of the F25SWTHC2 configuration.

Is the F25SWTHC2 a tiller outboard?

Yes. The model uses a tiller handle for direct operator control.

What is the F25SWTHC2 full-throttle RPM range?

The documented full-throttle operating range is approximately 5,000–6,000 RPM.

What is the gear ratio of the F25SWTHC2?

The F25 platform uses a 2.08:1 gear ratio.

How much does the Yamaha F25SWTHC2 weigh?

The documented F25SWTHC2 weight is approximately 146 lb / 66 kg.

What color is the F25SWTHC2?

The F25SWTHC2 is the Pearl White finish. Yamaha’s official model listings identify the SWTHC2 specifically as Pearl White.

What type of boats can use the F25SWTHC2?

It can suit compatible small fishing boats, jon boats, aluminum skiffs, inflatables, tenders and similar vessels with a 15-inch transom and a manufacturer-approved 25HP rating.

Does the F25SWTHC2 have an alternator?

Yes. The F25 platform has a 16-amp alternator.

What fuel does the Yamaha F25SWTHC2 use?

It uses regular unleaded gasoline with a published minimum octane specification of 87 octane.

Is the F25SWTHC2 a high-thrust model?

The F25SWTHC2 is a tiller F25 configuration that includes Yamaha’s thrust-oriented propeller and lower-unit characteristics. It is particularly suited to small boats where low-speed control and maneuverability are important.

Is the propeller included with the F25SWTHC2?

Yamaha’s model listings identify an aluminum propeller as part of the standard model equipment. However, the Performance Engines listing states that its advertised price is for the motor only, so the exact items included in the seller’s package should be confirmed before purchase.

Is the F25SWTHC2 suitable for repowering?

It can be, provided the boat is rated for 25HP, uses the correct 15-inch transom configuration and can accommodate the engine’s weight and power-trim mounting arrangement.

Looking for a 2024 Yamaha 25HP outboard with power trim and tilt? The F25SWTHC2 combines a 432cc four-stroke powerhead with EFI, electric and manual starting, a 15-inch shaft, tiller steering, Pearl White finish and power trim and tilt. Confirm the boat’s horsepower rating, transom height and installation requirements before ordering.