Hydro-Shield skeg-mounted shield Style R35 for outboards, R35, impact-absorbing thermoplastic with stainless-steel bracket

Hydro-Shield’s skeg-mounted shield combines impact protection with a performance hydrofoil that helps boats plane sooner and protects the prop, skeg, and lower unit from underwater strikes.

Designed for small to mid-size outboard engines, the Hydro-Shield Skeg-Mounted Shield fits four different motor sizes and installs quickly with stainless steel hardware included. Made from an energy-absorbing thermoplastic, this skeg shield reduces damage from low- to moderate-speed impacts while improving low- and mid-range performance and handling. It’s compatible with many popular outboards—check the size chart for exact fit—and it’s made in the USA.

How does the Hydro-Shield improve boat performance?

The Hydro-Shield functions as a hydrofoil under the motor, helping the boat lift onto plane faster and stay on plane at lower RPMs. That translates into smoother acceleration, reduced throttle demand in cruising ranges, and potential fuel savings during low- and mid-speed operation.

• Creates positive lift at low to mid RPM for earlier planing
• Helps maintain plane with less throttle input
• Improves helm stability and reduces porpoising
• Works with a variety of engine makes and four sizes to match skeg profiles

Will it protect my propeller and lower unit from underwater hazards?

Yes. The shield’s thermoplastic material absorbs impact energy and installs around the skeg to form a barrier ahead of the prop and lower unit. The included stainless-steel bracket secures the shield so the skeg and gearbox receive added protection from rocks, stumps, and other submerged objects.

• Energy-absorbing thermoplastic reduces shock from strikes
• Bracket system bolts to skeg for reinforced attachment
• Protects prop, skeg, and lower unit gearing from common debris
• Reduces risk of expensive repairs after shallow-water contact

Is installation difficult and what hardware is included?

Installation is straightforward and typically takes 20–25 minutes using the supplied parts. Each kit comes with a marine-grade stainless-steel bracket assembly, bolts, and lock nuts so you can mount the shield securely without sourcing extra hardware.

• Simple two-step installation process for most outboards
• Includes marine-grade stainless-steel bracket, bolts, and lock nuts
• Instructions and sizing chart to select the correct shield size
• Made in the USA kit components for corrosion resistance

Which motors and boats are compatible with the R35 shield?

The R35 compatibility list covers many common outboards and is intended for boats up to 18 feet and pontoons up to 26 feet with engines up to 115 HP. Always consult the size chart to match the skeg dimensions and select one of the four available shield sizes for a proper fit.

• Compatible engines include Evinrude, Honda, Johnson, Mercury, Suzuki, Tohatsu, and Yamaha models within listed HP ranges
• Fits boats up to 18' and pontoons up to 26' with up to 115 HP in R35 chart
• Four sizes available to accommodate different skeg shapes and motor models
• Refer to the chart for precise model and horsepower matches

Who this is for: The Hydro-Shield Skeg-Mounted Shield is aimed at recreational boaters, rental operators, and anglers who run small to mid-size outboards in shallow or debris-prone waters and want both performance gains and damage protection. If you value easier planing, improved handling at cruising speeds, and reduced repair risk from underwater impacts, this shield offers a low-effort, durable upgrade compatible with commonly used outboards.