Mercury – Tempest Plus 3-Blade Stainless Steel Propeller | 14.6" Diameter x 25" Pitch | Right-Hand Rotation | 3-Blade | Stainless Steel | Polished Finish | 8M0151386

Overview

There’s a moment every boater lives for the perfect mix of speed, control, and that feeling of power beneath your hands. The Mercury Tempest Plus 14.6" x 25" Pitch Propeller (8M0151386) delivers exactly that. It’s built for those who demand more out of their setupfaster hole shots, higher lift, and the confidence to push their boat across open water with precision.

You’ll feel it in every throttle push the clean grip, the steady pull, and the quiet strength that makes this prop as dependable as it is thrilling.

Key Features

• Diameter and Pitch: 14.6-inch diameter, 25-inch pitch
• Rotation: Right-Hand
• Blade Count: 3-Blade design for maximum lift and high-speed stability
• Material: Premium stainless steel for strength and longevity
• Finish: Polished surface for corrosion resistance and easy maintenance
• Hub System: Compatible with Mercury hub kits (sold separately)
• Design Details: Performance Vent System (PVS) lets you adjust vent plugs for custom acceleration and hole-shot performance

Engine & Boat Compatibility

• Fits Mercury and Mariner 90–115 HP FourStroke Command Thrust outboards
• Works with Mercury and Mariner 135–300 HP TwoStroke and FourStroke outboards
• Compatible with MerCruiser Alpha One and Bravo One sterndrives
• Ideal for bass boats, walleye rigs, multi-species fishing boats, and performance runabouts
• Suitable for both freshwater and saltwater use

Performance Benefits

The Mercury Tempest Plus 8M0151386 is the kind of prop that changes how your boat feels. Built for speed and control, it grips the water with authority, turning raw horsepower into clean, efficient motion. The large 14.6-inch diameter delivers incredible lift, keeping your bow high and your hull free to run fast and level.

From takeoff, the difference is clear. It planes quickly and holds strong in tight turns, maintaining traction even when conditions get rough. The 3-blade geometry strikes that perfect balance between acceleration and top-end speed, giving anglers and performance boaters the versatility they need fast launches, responsive midrange, and steady tracking across open water.

Mercury’s stainless steel craftsmanship ensures that this prop stays true and strong season after season. The Performance Vent System (PVS) adds fine-tuned control, letting you adjust hole-shot characteristics to suit your setup whether you’re carrying a heavy load, towing, or chasing speed.

At cruise, it’s smooth and stable. At full throttle, it’s exhilarating. The Tempest Plus isn’t just about going faster it’s about feeling fully connected to the water every step of the way.

Why is this prop is a strong choice vs. alternatives?

The Mercury Tempest Plus QS8M0151386 stands out because it’s built for real-world performance, not just numbers on a spec sheet. Its large diameter and stainless construction deliver lift, control, and consistency across a wide range of boats and conditions.

Compared to aluminum props, it’s stronger, more precise, and far more durable. It’s also incredibly adaptable just swap vent plugs to match your boat’s unique handling or acceleration needs. Whether you’re a competitive angler chasing an early morning bite or a weekend cruiser looking for smooth, efficient power, this prop handles it all.

It’s Mercury engineering at its best reliable, refined, and ready to perform.

FAQ

Q1: Which engines does the Mercury Tempest Plus 25" Pitch Propeller fit?

It fits Mercury and Mariner 90–115 HP FourStroke Command Thrust outboards, Mercury and Mariner 135–300 HP TwoStroke and FourStroke outboards, and MerCruiser Alpha and Bravo One sterndrives.

Q2: What makes this propeller different from other Mercury options?

The Tempest Plus combines large-diameter lift with Mercury’s PVS vent system, offering superior control, speed, and customizable acceleration.

Q3: How do I know if this pitch or size is right for my boat?

If your boat runs a mid- to high-horsepower outboard or sterndrive and you want stronger lift, faster planing, and greater top-end performance, the 25-inch pitch is ideal.

Q4: Can this prop be used in both saltwater and freshwater?

Yes. Its stainless steel build and polished finish provide long-term corrosion resistance in any water type.

Q5: What hub system does it use?

The Tempest Plus requires a Mercury hub kit (sold separately) for a secure, vibration-free installation and smooth operation.