- 8 TOOTH/SPLINE SHAFT MODEL GEAR BOXES ONLY- USA Manufactured Merc/Mariners only) - 8,9.9hp (2 stroke) 1986 & Newer - 10hp 1995 & Newer - 15hp (2 & 4 stroke) 1989 & Newer Note: IF YOU HAVE 8-15hp MERCURY/MARINER with a 12 or 14 TOOTH SPLINE SHAFT (JAPAN MANUFACTURED Outboards) Uses 8-30hp Tohatsu OzHydrofoil listing - Not suitable for Bigfoot 8-15hp motors USA Models have a nylon nut with No split pin holding the propeller on and Tohatsu/Japan models have castle nut with a split pin through the shaft. There is also a serial tag normally underneath the engine cowling stating USA or JAPAN assembled.
With our superior design Oz Hydrofoil you will:

Eliminate - Cavitation/Ventilation


Stop - Porpoising


More - Trim Control, Stern & Bow lift


Improve - Fuel economy, Stability & Tracking


Plane - Faster & Easier at slower speeds


BEST PERFORMING QUALITY OUTBOARD HYDROFOIL ON THE MARKET!!


KEY POINTS:

-Proudly Manufactured in AUSTRALASIA from Quality Marine Grade Aluminum

-Stainless bolts and nuts included with Hydrofoil

-Powder Coated Plate

-Comes with easy full instructions

-No Welding Needed

-Easy Installation and Support

-Fast and Affordable Shipping

-Quality Tested and Approved

COLOURS AVAILABLE- GREY , WHITE, BLACK or SILVER. Please choose your option below

BUY WITH CONFIDENCE KNOWING THE QUALITY AND PERFORMANCE OF THIS OZ HYDROFOIL IS GUARANTEED!!

Mercury Mariner Aluminium Outboard Oz-Hydrofoil Suits 8-9.9.10-15HP Learn More

Mercury Mariner 25-30-35-40-50-60-70hp Outboard Aluminium Hydrofoil – OZHYDROFOIL Suits Mercury Mariner Outboards Below: Model 402, 500, & 700 1977-1984 25hp (Bigfoot 4 stroke) 1999-2005 30hp 2 Stroke 1994-2002 30hp 4 Stroke 1999-2005 30hp (Sea Pro/Marathon) 1994 & Newer 35hp 2 Stroke 1984-1989 40hp 2 Stroke 1977 & Newer (USA Manufactured 40hp’s ONLY-check serial plate) 40hp 4 Stroke (Not Big foot CT) 1997 & Newer 40hp (Sea Pro/Marathon) 45hp 1986-1989 48hp (Mariner) All Years 50hp 2 Stroke (Includes Model 500) 1977 & Newer 50hp 4 Stroke (Not Big Foot) 1995 & Newer 60hp (2 stroke, Not Bigfoot) 1978 & Newer 60hp 4 Stroke (Not Big Foot) 2001 & Newer 70hp (Includes Model 700) thru 1983 USA built outboards have a Nylon nut with NO split pin through the propeller & a locking tab. There is normally a serial tag underneath the engine cowling stating USA or JAPAN assembled. - When making a purchase advise us on the Make, Model and Year of your Motor, including country of manufacture. Oz Hydrofoil Performance Points: Eliminate – Cavitation/Ventilation Stop – Porpoising More – Trim Control, Stern & Bow lift Improve – Fuel economy, Stability & Tracking Plane – Faster & Easier at slower speeds Proudly Manufactured in New Zealand from Quality strong Marine Grade Aluminium Designed specifically to suit each model outboard Stainless bolts, nuts & washers included with Hydrofoil Oz Hydrofoil is bolted on-top of the outboard cavitation plate Gloss Powder Coated Plate color matched to the outboard Comes with easy installation instructions & support No Welding Needed Quality Tested and Approved Well proven product with thousands sold worldwide Best Performing Hydrofoil on the market guaranteed! Learn More