StingRay XR4 Senior Hydrofoil

The StingRay XR4 Hydrofoil is designed to provide maximum lift, blast boats out of the hole quicker than ever before, and keep boats on plane at lower speeds – leading to significant fuel savings!

Porpoising, chinewalking, cavitation, and ventilation are reduced or eliminated – stabilizing the boat and providing a safer and more comfortable ride.

For boats pulling tubers, skiers, or wakeboarders the StingRay XR4 Hydrofoil helps pull them up quicker, smooths out the wake for more enjoyable towing, and increases driver visibility by getting the bow of the boat down sooner.

Heavy runabouts and ocean-going center-consoles can benefit from the maximum lift provided by the StingRay XR4 Hydrofoil. The downturned wings also pack water tightly around the prop, making this an ideal solution for boats experiencing cavitation problems – a common issue found on pontoon and tritoon boats.

The next-gen graphics package provides the most advanced graphics in the industry while complementing the styling found on new outboard engines.

The 2-Bolt Installation method is the industry’s most secure and easiest installation giving you confidence and peace of mind while on the water – guaranteed to never come off your engine!

Engineered with the very latest in hydrofoil technology, the StingRay XR4 Hydrofoil provides top-notch performance enhancement, next-gen styling, and pays for itself in fuel savings – making this one of the best performance accessories you can add to your boat!

Hosepower: 40-300

INSTALLATION STEPS:

1. Make sure all installation hardware is included.

2. Slide the StingRay XR4 Hydrofoil onto the cavitation plate as far forward as possible with the colored graphics side facing upwards.

3. Using the Drill and 1/4” Drill Bit, drill through the cavitation plate using the two holes on the top side of the hydrofoil as a guide. Make sure to keep the drill perpendicular to the cavitation plate while drilling.

4. Place the 1/4-20 x 1” Stainless Steel Bolts through the holes on top of the XR4 Hydrofoil, and attach a Flat Washer and Nylon Nut to each Bolt from the underneath side of the hydrofoil. Using the Phillips Head Screwdriver and the 7/16” Socket and Ratchet, secure the Bolts by tightening the Nylon Lock Hex Nuts.

5. BEFORE OPERATING, check for propeller clearance by slowly turning the propeller by hand to make sure there is no interference between the StingRay XR4 Hydrofoil and the propeller.