Mercury – Black Max 3-Blade Aluminum Propeller | 9.25" Diameter x 10" Pitch | Right-Hand Rotation | 3-Blade | Aluminum | Phantom Black Finish | 897752A11

Overview

Every boater knows that feeling when the boat glides onto plane without effort, the engine hums smoothly, and everything just comes together perfectly. That’s what the Mercury Black Max 3-Blade Aluminum Propeller (Part Number 897752A11) delivers — smooth, confident power that makes every trip more enjoyable. It’s the kind of prop you install once and forget about because it simply performs, season after season. Reliable, balanced, and forgiving, it’s trusted by boaters who want steady handling and worry-free days on the water.

Key Features

• Diameter and Pitch: 9.25" Diameter x 10" Pitch

• Rotation: Right-Hand

• Blade Count: 3

• Material: Patented Mercalloy Aluminum Alloy

• Finish: Mercury Phantom Black Glossy Enamel

• Hub System: Rubber hub bushing absorbs vibration and shields drivetrain from impact stress

• Design Notes: Balanced, lightweight aluminum construction engineered for consistent thrust and resilience against minor impacts

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)

• Great for small fishing boats, inflatables, tenders, and aluminum runabouts

• Perfect for boaters seeking crisp throttle response, stable cruising, and low maintenance

Performance Benefits

Push the throttle, and you will immediately feel how effortlessly this prop grabs the water. The 9.25" x 10" pitch offers smooth, controlled acceleration with enough grip to keep you steady through turns and headwinds. It’s quick to plane, holds speed easily, and keeps your engine running efficiently across a wide range of conditions.

The Mercalloy aluminum alloy is built to handle everyday boating life — durable enough to take on light debris or shallow bumps, but flexible enough to absorb the impact instead of cracking. That durability is paired with Mercury’s rubber hub system, which keeps vibration to a minimum. You’ll feel less tiller chatter, hear less hum from the motor, and enjoy a noticeably smoother ride. Whether you’re trolling slowly or gliding across calm water, it feels balanced and sure-footed. Maintenance? Just a rinse, a check, and you’re ready for your next adventure.

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

The Black Max 897752A11 isn’t flashy — and that’s exactly why boaters love it. It’s the go-to prop for small outboards because it delivers what matters most: dependable performance and easy ownership. You’ll get Mercury’s OEM precision engineering, ensuring the perfect fit and the kind of reliability that keeps you out on the water instead of at the dock.

Compared to stainless steel props, it’s more forgiving and easier to maintain, while still offering the steady power Mercury is known for. The Phantom Black enamel finish provides lasting corrosion resistance in both saltwater and freshwater, giving it the durability to handle wherever you like to boat. For anyone who values simplicity, confidence, and long-lasting performance, this prop is an easy choice — one you’ll appreciate every time you take the helm.

FAQ Section

Q1: Which Mercury engines does the Black Max 9.25" x 10" 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 built from Mercury’s exclusive Mercalloy aluminum, which combines flexibility and strength. This helps it withstand small impacts while maintaining balance and smooth operation.

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

If you’re using a 9.9–20 HP outboard and want efficient cruising with responsive handling, this 10" pitch is a great fit. Always check your owner’s manual for compatibility.

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

Yes. The Phantom Black glossy enamel finish helps resist corrosion in both environments. Rinsing after each use extends its lifespan and keeps it looking new.

Q5: What hub system does it use?

It features a rubber-cushioned hub that absorbs vibration and protects your drivetrain from stress caused by minor underwater impacts.