What engines are Mercury Black Max propellers designed for?

Black Max aluminum propellers fit most Mercury/Mariner outboards from 2.5 HP up to 250 HP and MerCruiser Alpha/Bravo One sterndrives (with appropriate Flo-Torq hub kits). Always verify gearcase size and WOT RPM range.

How do I choose the right Black Max pitch?

Match pitch to your engine’s recommended WOT RPM range and boat load. If your current prop over-revs, increase pitch; if it under-revs, decrease pitch. Use our size chart on this page as a starting point and water-test to confirm.

Do I need a Flo-Torq hub kit for a Black Max propeller?

Most models use Mercury’s modular Flo-Torq system. Some props include the hub; others require a separate kit. Check your engine/gearcase and part number to choose the correct hub hardware.

Are Black Max propellers good for everyday use?

Yes. Black Max props are durable Mercalloy aluminum with a value-first design—ideal for general-purpose boating on boats typically under 50 mph.

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Upgrade, maintain, and protect your marine drive systems with genuine Quicksilver Marine Parts & Accessories. Designed by Mercury Marine, Quicksilver parts deliver factory-level precision, durability, and performance — the reliable choice for discerning boaters and marine pros.

Need help picking a Mercury prop?

Mercury Propellers Definitive Guide · Black Max Propeller Guide

Maintenance & Repair Essentials: Genuine Quicksilver sterndrive and outboard parts—impellers, water pump kits, thermostats, fuel filters, anodes, gaskets, and seals—engineered to keep your engine performing at its best.
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