Mercury – Black Max Propeller | 10.75" Diameter x 12" Pitch | Right-Hand Rotation | 3 Blades | Aluminum | Glossy Phantom Black Finish | 816702A45

Overview

There is a reason you see so many Mercury Black Max propellers out on the water — they’ve earned their reputation through years of dependable performance. The Mercury Black Max 3-Blade Aluminum Propeller (10.75" x 12") is the kind of gear that makes boating feel effortless. It’s smooth, responsive, and ready for whatever your weekend brings, from quiet morning trolling to wide-open runs across open water. Built for small to mid-sized Mercury outboards, this prop delivers steady thrust, clean lift, and a level of reliability that lets you focus on the fun, not the equipment.

Key Features

• Diameter and Pitch: 10.75" Diameter x 12" Pitch

• Rotation: Right-Hand

• Blade Count: 3 Blades

• Material: Mercury’s patented Mercalloy aluminum alloy for exceptional strength and flexibility

• Finish: Glossy Phantom Black enamel for long-lasting protection and shine

• Hub System: Flo-Torq Reflex Hub Kit 835257K12 absorbs vibration and protects the drivetrain

• Design Details: Balanced blade geometry for smooth lift, consistent acceleration, and quiet operation

Engine & Boat Compatibility

• Fits Mercury and Mariner 25–30hp FourStroke BigFoot/Command Thrust outboards

• Compatible with 30hp TwoStroke and 30hp FourStroke (2005 and earlier) engines

• Works with 40–60hp FourStroke outboards

• Ideal for pontoons, small fishing boats, runabouts, and lightweight cruisers

• Great choice for boaters who value smooth cruising, reliable control, and efficient performance

Performance Benefits

• Smooth, Steady Power: From the second you ease it into gear, the Black Max engages cleanly and delivers steady thrust. It grips the water evenly, so your boat moves with confidence and balance whether you’re accelerating or holding a steady cruise.

• Responsive Acceleration: The 10.75" diameter and 12" pitch strike a perfect middle ground between speed and control. You will feel your boat lift smoothly onto plane with consistent pull and minimal slip — just clean, predictable power that feels natural at the helm.

• Effortless Handling: Whether you’re navigating tight marinas, cruising through chop, or tracking across open water, this prop makes it easy. It responds smoothly to steering input, keeping your movements steady and controlled without extra effort.

• Durable by Design: Crafted from Mercury’s proprietary Mercalloy aluminum alloy, this prop is tough yet forgiving. It can take on minor bumps, sandy bottoms, or light debris strikes without losing its shape. The Flo-Torq Reflex Hub adds a layer of protection, helping cushion your drivetrain from unexpected impacts.

• Low Maintenance and Long Life: A quick rinse and basic check after each trip is all it needs. The Phantom Black enamel finish resists corrosion in both saltwater and freshwater, keeping it looking sleek and performing reliably for years.

Why This Prop Is a Strong Choice vs. Alternatives

• Mercury OEM Quality: Designed, engineered, and tested by Mercury for perfect fit and reliable performance.

• Reliable and Easy to Maintain: It is Built to last with simple, straightforward upkeep.

• Cost-Effective Performance: Offers smooth handling and dependable acceleration without the higher cost of stainless steel.

• Versatile and Forgiving: Performs beautifully across multiple small to mid-sized boat setups with steady balance and control.

• Trusted by Boaters: Known for its quiet operation, long-lasting durability, and consistent power — a prop that earns its place on your motor season after season.

FAQ

Q1: Which Mercury engines does the Black Max 3-Blade Aluminum Propeller fit?

It fits Mercury and Mariner 25–30hp FourStroke BigFoot/Command Thrust, 30hp TwoStroke, 30hp FourStroke (2005 and earlier), and 40–60hp FourStroke outboards.

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

Its Mercalloy construction offers a perfect mix of strength and flexibility, while the Flo-Torq Reflex Hub helps absorb vibration for smoother, quieter operation.

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

If you’re running a 25–60 horsepower Mercury outboard and want balanced performance with dependable control, the 10.75" x 12" pitch is an excellent fit. You can always confirm by checking your manual or asking your local Mercury dealer.

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

Yes, the Phantom Black enamel finish resists corrosion and wear in both environments, ensuring dependable use wherever you boat.

Q5: What hub system does it use?

It includes Mercury’s Flo-Torq Reflex Hub Kit 835257K12, designed to protect the drivetrain from impact damage while reducing vibration for smoother handling.