{"product_id":"seasierra-boat-hydrofoil-stabilizer-for-40-300-hp-outboard","title":"SeaSierra Boat Hydrofoil Stabilizer for 40–300 HP Outboards and Sterndrives, Silver, 17\"×14.4\" Durable Trim Tab","description":"\u003cp\u003e\u003cstrong\u003eThe SeaSierra Boat Hydrofoil Stabilizer is a bolt-on trim tab that reduces bow rise, shortens planing time, and improves handling for 40–300 HP outboard motors and many sterndrives.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned for anglers, family boats, and performance small craft, this hydrofoil helps your boat get on plane faster, hold a flatter trim at lower speeds, and respond more predictably in rough water. Built of durable materials and supplied with mounting hardware and a pilot drill bit, it fits most popular outboard brands and many sterndrive models with horsepower from 40 to 300.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the SeaSierra hydrofoil change planing and fuel efficiency?\u003c\/h3\u003e\n\u003cp\u003eBy creating downward lift aft of the propeller, the hydrofoil reduces bow rise and helps the hull plane sooner. That means less throttle is needed to reach hull speed, which can lower fuel use during acceleration and steady cruising. Effects vary with hull design and load.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eShortens planing time for quicker acceleration\u003c\/li\u003e\n  \u003cli\u003eMaintains plane at lower speeds for gentler throttle control\u003c\/li\u003e\n  \u003cli\u003eImproves thrust direction and reduces bow climb under power\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich engines and sterndrives are compatible with this stabilizer?\u003c\/h3\u003e\n\u003cp\u003eThe SeaSierra unit fits a wide range of outboard motors from leading manufacturers and common Mercruiser\/OMC sterndrives. It covers Yamaha, Mercury, Johnson, Evinrude, Honda, Suzuki, and Tohatsu outboards rated 40–300 HP, plus many Mercruiser\/OMC stern drives. Note: some Volvo sterndrive models require extra hardware and the Ocean Series XDP is not compatible.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWorks with 40–300 HP outboards from major brands\u003c\/li\u003e\n  \u003cli\u003eCompatible with Mercruiser\/OMC sterndrives\u003c\/li\u003e\n  \u003cli\u003eVolvo SX-A, DPS, DPR, DPH, 280, 290 need longer bolts and 1\" fender washers\u003c\/li\u003e\n  \u003cli\u003eNot compatible with Volvo Ocean Series XDP\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat comes in the box and what are the dimensions?\u003c\/h3\u003e\n\u003cp\u003eThe package contains everything required to mount the hydrofoil: the stabilizer plate, four sets of stainless steel screws and nuts, and a 6.5 mm drill bit to pilot the mounting holes. The foil measures approximately 17 inches tall by 14.4 inches wide, sized to provide useful lift behind mid- and large-sized outboards and sterndrives.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDimensions: Height 17\" × Width 14.4\"\u003c\/li\u003e\n  \u003cli\u003eIncludes 1 stabilizer, 4 sets stainless screws and nuts, 6.5 mm drill bit\u003c\/li\u003e\n  \u003cli\u003eHardware accommodates most transom and lower-unit mounting locations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow difficult is installation and what tools are needed?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward for anyone comfortable drilling and bolting to a lower unit or transom bracket. Use the included 6.5 mm drill bit to pilot holes, then fasten with the supplied stainless hardware. For Volvo SX-A, DPS, DPR, DPH, 280, and 290 sterndrive models, you will also need longer bolts and 1\" fender washers (not included).\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRequires drilling pilot holes using included drill bit\u003c\/li\u003e\n  \u003cli\u003eFasten with supplied stainless screws and nuts\u003c\/li\u003e\n  \u003cli\u003eAdditional longer bolts and 1\" fender washers needed for specified Volvo models\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The SeaSierra hydrofoil stabilizer is aimed at boat owners who want easier, more controlled acceleration, better low-speed plane holding, and improved handling without complex trim systems. It's a practical upgrade for fishermen, recreational boaters, and anyone with a 40–300 HP outboard or supported sterndrive seeking a bolt-on performance and handling improvement.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will this fit my 150 HP Yamaha outboard?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—SeaSierra fits Yamaha outboards in the 40–300 HP range; check lower-unit clearance before drilling.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are special bolts required for Volvo drives?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Some Volvo models (SX-A, DPS, DPR, DPH, 280, 290) need longer bolts and 1\" fender washers not included.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":48030446125217,"sku":"B0DPMJCM3S","price":174.16,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0758\/6532\/5729\/files\/seasierra-stabilizer-front-view.jpg?v=1791402163","url":"https:\/\/canadiansporting.ca\/products\/seasierra-boat-hydrofoil-stabilizer-for-40-300-hp-outboard","provider":"Canadian Sporting","version":"1.0","type":"link"}