Mercury – Black Max 3-Blade Aluminum Propeller | 8.9" Diameter x 7.5" Pitch | Right-Hand Rotation | 3-Blade | Aluminum | Phantom Black Finish | 897614A10

Overview
Ask any seasoned boater — the best propellers are the ones you never have to think about. They just work, quietly and consistently, trip after trip. The Mercury Black Max 3-Blade Aluminum Propeller (Part Number 897614A10) is exactly that kind of dependable performer. It’s light, responsive, and built to make small engines feel smooth and confident on the water. Whether you’re heading out early to chase the morning bite or taking a calm cruise along the shoreline, this prop keeps your boat steady and your focus where it belongs — on the water ahead.

Key Features
• Diameter and Pitch: 8.9" Diameter x 7.5" Pitch
• Rotation: Right-Hand
• Blade Count: 3
• Material: Patented Mercalloy Aluminum Alloy
• Finish: Mercury Phantom Black Glossy Enamel
• Hub System: Rubber hub bushing helps absorb vibration and protect drivetrain
• Design Notes: Durable, flexible construction resists light impact damage and ensures balanced, efficient operation

Engine & Boat Compatibility
• Designed for Mercury and Mariner 8–9.9 HP FourStroke outboards (2005 and newer)
• Excellent for small fishing boats, jon boats, inflatables, and lightweight tenders
• Ideal for boaters who need smooth, reliable power for calm lakes, rivers, or coastal runs

Performance Benefits
From the first throttle push, you’ll feel the difference this Mercury propeller makes. The 8.9" x 7.5" pitch delivers crisp, predictable acceleration that helps your boat glide onto plane with ease. It provides a firm grip in the water — steady in turns and smooth when cruising. The balanced, 3-blade design keeps vibrations low, giving you better control and a more comfortable ride, even at slower speeds.

The Mercalloy aluminum alloy is engineered for strength and flexibility, allowing it to handle small impacts that might dent or crack other props. That little bit of give can save you a repair and keep you on the water longer. Combined with a rubber hub system, it minimizes shock to your motor’s drivetrain, protecting your investment and making every run quieter and smoother. When the day’s over, rinse it down and you’re good to go — no fuss, no special upkeep.

Why Is This Prop Is A Strong Choice vs. Alternatives?
The Black Max 897614A10 has earned its reputation for being tough, affordable, and easy to live with. It’s built by Mercury — the same team behind the engines it powers — so you’re getting true OEM quality and a perfect fit. Stainless props might be flashier, but for most small-boat owners, this aluminum prop hits the sweet spot between price, performance, and dependability.

It’s forgiving when you graze a sandbar or launch in shallow water, yet it performs with the consistency of a much pricier option. If you want a propeller that gives you peace of mind every time you head out, this one’s got you covered. It’s dependable, straightforward, and made for boaters who value simplicity and reliability above all else.

FAQ Section

Q1: Which Mercury engines does the Black Max 8.9" x 7.5" fit?
This propeller fits Mercury and Mariner 8–9.9 HP FourStroke outboards from 2005 and newer.

Q2: What makes this propeller different from other Mercury options?
It’s built from Mercury’s exclusive Mercalloy aluminum — tough, lightweight, and flexible enough to handle minor impacts without losing balance or performance.

Q3: How do I know if this pitch or size is right for my boat?
If you’re running an 8–9.9 HP outboard and want quick acceleration with steady cruising control, this 7.5" pitch prop is a great match. Check your engine’s manual for exact recommendations.

Q4: Can this prop be used in both saltwater and freshwater?
Yes. The Phantom Black enamel finish offers corrosion resistance in both saltwater and freshwater. Rinsing it after each use helps extend its life.

Q5: What hub system does it use?
It uses a rubber-cushioned hub designed to absorb vibration and shield the drivetrain from shock during light underwater impacts.