Turning Point Propellers Express Mach3 OS Series Left Hand Stainless Steel Propeller OS-1611-L 15.625" x 11 Pitch

Express Mach3 OS - Left Hand - Stainless Steel Propeller - OS-1611-L - 3-Blade - 15.625" x 11 Pitch

The Express Mach3 OS Series of Stainless Steel Propellers are the next step in the evolution of our very popular larger diameter VO series. Our Engineers and Propeller Experts made improvements to the cup, leading and trailing edges, and the aggressive progressive rake and blade geometry that are Turning Point hallmarks. These modifications have produced a propeller with excellent hole shot, impressive bow lift, and class leading cornering.

The Express Mach3 OS is perfectly matched to large horsepower bay boats, offshore center consoles, and high horsepower pontoons/tri-toons. It will fit all 90hp and larger 4.75" gearcase outboards from all engine manufacturers, and Mercury Alpha One and Bravo One, and Volvo Penta SX sterndrives. Large diameter three blade propellers offer great mid-range fuel economy in many applications. Whether you are looking to maximize your time on the water, extend your cruise range, or just stretch your fuel dollars, the Express Mach3 OS is a great choice to get the most out of your boat.

Proprietary Stainless Steel, TP17

Formulated to meet the exacting requirements of the New Express Mach3 and Mach4 designs. 20% higher chromium content than the competition - more shine, better corrosion resistance. Almost 250% Stronger and 5X more durable than run-of-the-mill stainless steel. This new material allows Turning Point's Engineers and Designers the freedom to produce radical new designs that will help you wring the most performance out of your boat.

Large Free Flowing Exhaust Ports

Turning Point's Propeller Housings have massive Exhaust flow pathways. Their Propellers have 40% more exhaust flow Area versus competitive product. More exhaust flow and less backpressure can generate more horsepower. Like headers for your boat.

Turning Point manufactures Express propellers to fit 9.9(bigfoot)-300+hp Evinrude, Force, Honda, Johnson, Mariner, Mercruiser, Mercury, Nissan, OMC, Parsun, Suzuki, Tohatsu, Volvo Penta, and Yamaha Outboards and Sterndrives. Choose one of our Lifetime Warranty MasterGuard Installation Kits to fit your engine, then choose the propeller that matches your boating requirements. There are 3 and 4 blade, left and right rotation prop models with a variety of diameter and pitch options available for almost all boat types. Turning Point's Props Run Faster, Pull Harder, and Handle Better.

Note: A Hub Kit is required for installation of this propeller. See the Turning Point Selection Chart or the Prop Wizard for hub kit selection.

WARNING: This product can expose you to chemicals including LEAD which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.

The Turning Point Propellers Express Mach3 OS Series offers high-performance stainless steel propellers designed for demanding boating applications. Crafted from proprietary TP17 stainless steel, these props feature 20% higher chromium content for enhanced corrosion resistance and a striking shine, along with nearly 250% greater strength and five times the durability compared to standard stainless steel. The advanced material allows engineers to develop radical blade designs that maximize boat performance and longevity. The 3-blade design with a 15.625-inch diameter and 11 pitch provides excellent hole shot, impressive bow lift, and superior cornering, making it ideal for large horsepower bay boats, offshore center consoles, and high-powered pontoons or tri-toons.

Designed with large exhaust ports, the Express Mach3 OS propellers have 40% more exhaust flow area than competitors. This increased flow reduces backpressure, boosting horsepower and overall performance—similar to high-performance headers for your boat. The propeller is suitable for all 90hp and larger outboards from various manufacturers, including Mercury, Yamaha, Honda, Evinrude, and Volvo Penta, as well as sterndrives like Alpha One, Bravo One, and Penta SX. Whether you're aiming to improve fuel economy, extend cruising range, or enhance boat handling, the Mach3 OS delivers consistent, reliable performance across a broad range of applications.

Installation requires a hub kit compatible with your engine, and Turning Point offers Lifetime Warranty MasterGuard Installation Kits to ensure a perfect fit. Available in left and right rotation, with options for 3 and 4 blades, these props are engineered to run faster, pull harder, and handle better. They are an excellent choice for boaters seeking maximum performance from their vessel, enabling enhanced maneuverability and efficiency on the water. For optimal results, consult the Turning Point Propeller Selection Chart or Prop Wizard for proper hub kit selection and matching the right propeller to your boating needs.

Note: This product contains chemicals including lead, which could pose health risks. Please visit P65Warnings.ca.gov for more information.

Features:

• Material: Proprietary TP17 stainless steel for superior strength and corrosion resistance

• Blade Design: 3-blade configuration with aggressive rake and blade geometry for optimal performance

• Exhaust Ports: Large, free-flowing exhaust ports for increased horsepower and reduced backpressure

• Compatibility: Fits 90hp and larger outboards and sterndrives from major manufacturers

• Performance: Excellent hole shot, bow lift, and cornering capability