YAMAHA OEM Turbo Propeller Hub Kit – MAR-D505H-UB-00 Guardian SQ-Lok Hub System F90B | 115 HP and Above

YAMAHA OEM Turbo Propeller Hub Kit – MAR-D505H-UB-00 Guardian SQ-Lok Hub System | 115 HP and Above

The MAR-D505H-UB-00 is the correct OEM replacement hub kit for all Yamaha 115 HP and larger outboards (both 2-stroke and 4-stroke) that use the large gearcase with 15 splines.

Guardian SQ-Lok Hub System – Built for Today’s High-Performance Outboards

A square hub is required for proper installation of Turbo propellers. Turbo strongly recommends the Guardian SQ-Lok Hub System for maximum durability and performance.

Designed to withstand the extreme torque, punishing power, and high exhaust temperatures of modern marine engines, Guardian SQ-Lok hubs feature:

• Heavy-duty construction
• A reinforced nylon center core (drive adaptor)
• Molded-in interlocking brass spline insert for superior strength and longevity
• Easy installation and replacement
• All necessary hardware included

Demand tough. Demand convenient. Demand Guardian SQ-Lok.

Fitment – Yamaha Large Gearcase (15 Spline)

2-Stroke Models:

• 115 HP (1984~)
• 130 HP (1984–2003)
• 150 HP (1986~)
• 175 HP (1984~)
• 200 HP (1984~)
• 220 HP Special (1984–1985)
• 225 HP (1986~)
• 225 HP Excel (1987–1988)
• 250 HP (1990~)
• 2.6L VMAX (2001~)
• 3.3L VMAX (2001~)

4-Stroke Models:

• F90 (2017~)
• F115 (2000~)
• F150 (2004~)
• F200 (2002~)
• VF200 V MAX SHO (2010~)
• F225 (2002~)
• VF225 V MAX SHO (2010~)
• F225 Offshore (2010~)
• F250 (2002~)
• F250 Offshore (2010~)
• VF250 V MAX SHO (2010~)
• F300 Offshore (2010~)

Gearcase Note: Fits Yamaha large gearcase applications (4.25" or 4.75" diameter, 15 splines).

Perfect for anyone running Turbo props on their Yamaha outboard. Reliable, easy to install, and built to last.