Mercury – Black Max 3-Blade Aluminum Propeller | 9.25" Diameter x 11.5" Pitch | Right-Hand Rotation | 3-Blade | Aluminum | Phantom Black Finish | 897754A11

Overview

There’s nothing like that moment when your boat feels perfectly in sync with the water — lifting cleanly onto plane, running steady, and responding exactly how you want it to. That effortless control doesn’t just happen by chance; it comes from a propeller built to perform with balance and precision. The Mercury Black Max 3-Blade Aluminum Propeller (Part Number 897754A11) is one of those rare pieces of equipment that quietly does its job right, trip after trip. It’s smooth, steady, and reliable — the kind of prop you come to trust without even thinking about it.

Key Features

• Diameter and Pitch: 9.25" Diameter x 11.5" Pitch

• Rotation: Right-Hand

• Blade Count: 3

• Material: Patented Mercalloy Aluminum Alloy

• Finish: Mercury Phantom Black Glossy Enamel

• Hub System: Rubber-cushioned hub helps absorb vibration and protect drivetrain from shock

• Design Notes: Lightweight and balanced aluminum construction designed to flex slightly under minor impact for added durability

Engine & Boat Compatibility

• Designed for Mercury and Mariner 9.9 HP FourStroke BigFoot/Command Thrust (2005 and newer)

• Fits 9.9 HP ProKicker and 15–20 HP FourStroke outboards (2008 and newer)

• Ideal for lightweight fishing boats, small runabouts, tenders, and inflatables

• Great match for boaters who want smooth cruising, responsive acceleration, and easy handling

Performance Benefits

• Effortless Power and Control: When you push the throttle, the Mercury Black Max 897754A11 gives you that confident, steady pull that makes boating feel effortless.

• Quick Acceleration and Efficiency: The 9.25" x 11.5" pitch provides the perfect mix of quick acceleration and strong midrange efficiency, helping your boat plane fast and maintain speed without strain.

• Smooth, Predictable Handling: You’ll notice how cleanly it grips the water in turns — predictable and smooth, with just the right amount of lift to keep your ride balanced.

• Durable Yet Forgiving Build: The Mercalloy aluminum alloy is what sets this Mercury propeller apart. It’s strong enough to handle long days on the water but forgiving enough to flex slightly if you hit a bit of debris or a shallow patch.

• Reduced Vibration and Noise: That built-in resilience keeps the prop — and your drivetrain — safe from serious damage. Combined with Mercury’s rubber hub system, it keeps vibration low and operation quiet, giving you a ride that feels solid yet easygoing.

• Balanced and Reliable Performance: Whether you’re trolling gently or running at full speed, it stays smooth, balanced, and reliable from start to finish.

• Easy Maintenance: Maintenance is refreshingly simple. A quick rinse after use is usually all it takes to keep this prop looking sharp and performing flawlessly — no complicated upkeep or fuss required.

Why Is This Prop Is A Strong Choice vs. Alternatives?

This propeller isn’t about flash — it’s about trust. The Black Max 897754A11 has earned its place as one of Mercury’s most dependable all-around performers. For small outboards, it delivers a level of control and durability that’s tough to beat. Mercury’s OEM precision means a perfect fit every time, and its balanced design ensures consistent, smooth operation under all kinds of water conditions.

Compared to stainless steel props, the Black Max is more forgiving and affordable, yet still engineered to Mercury’s high standards. The Phantom Black enamel finish guards against corrosion, making it just as capable in saltwater as it is in freshwater. It’s built for the boater who values simple reliability — the kind of prop that performs quietly and confidently, so you can focus on what really matters: being on the water.

FAQ Section

Q1: Which Mercury engines does the Black Max 9.25" x 11.5" fit?

This prop fits Mercury and Mariner 9.9 HP FourStroke BigFoot/Command Thrust (2005 and newer), 9.9 HP ProKicker, and 15–20 HP FourStroke outboards (2008 and newer).

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

It’s crafted from Mercury’s exclusive Mercalloy aluminum, which combines strength and flexibility for long-term reliability and impact resistance.

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

If your outboard is in the 9.9–20 HP range and you want quick planing with efficient cruising power, the 11.5" pitch is a great fit. Always check your owner’s manual for the recommended size and pitch.

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

Yes. The Phantom Black glossy enamel finish resists corrosion in both environments. A light rinse after use helps extend its life.

Q5: What hub system does it use?

It features a rubber-cushioned hub that minimizes vibration and shields your drivetrain from shock caused by minor underwater impacts.