{"product_id":"jsprop-12-1-4x15-boat-propeller-for-brp-johnson-evinrude","title":"JSPROP 12.25 x 15 in Boat Propeller for Johnson\/Evinrude 13-Spline Right Rotation — Aluminum, Black Coating","description":"\u003cstrong\u003eJSPROP's 12 1\/4\" x 15\" 3-blade right-rotation propeller is a direct-fit aluminum replacement for BRP Johnson and Evinrude 40–75HP outboards with a 13-spline shaft.\u003c\/strong\u003e\n\n\u003cp\u003eThis prop replaces part reference 778774 and is engineered to restore reliable acceleration and cruising speed for eligible outboards. It pairs a 12.25\" diameter with a 15\" pitch and a pressed-in hub for straightforward installation. Finished in black with an anti-corrosion coating, the prop balances durability with value, making it a practical spare or upgrade for recreational boaters.\u003c\/p\u003e\n\n\u003ch3\u003eWill this prop fit my Johnson or Evinrude 40–75HP engine?\u003c\/h3\u003e\n\u003cp\u003eCompatibility depends on four physical details: diameter, pitch, spline count, and rotation. Confirm your old prop or engine manual shows 12 1\/4\" diameter, 15\" pitch, right-hand rotation, and 13 splines before ordering to ensure a correct fit.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits BRP Johnson\/Evinrude models rated 40–75HP that use a 13-spline shaft.\u003c\/li\u003e\n  \u003cli\u003eReference part number: 778774—use as a cross-check.\u003c\/li\u003e\n  \u003cli\u003eRight-hand (clockwise) rotation with three blades.\u003c\/li\u003e\n  \u003cli\u003ePressed-in hub for easy, tool-accessible installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the JSPROP aluminum propeller affect performance?\u003c\/h3\u003e\n\u003cp\u003eThis aluminum alloy prop offers a balance of strength, responsiveness, and cost-effectiveness. It’s shaped to support good acceleration and maintain cruising RPMs while resisting routine wear and corrosion from freshwater and light saltwater use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e3-blade geometry for a compromise between top speed and load-pulling capability.\u003c\/li\u003e\n  \u003cli\u003e15\" pitch designed to suit typical load and hull profiles for small to mid-size boats.\u003c\/li\u003e\n  \u003cli\u003eAnti-corrosion coating extends serviceable life in marine environments.\u003c\/li\u003e\n  \u003cli\u003eManufactured under quality control for consistent dimensions and balance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and construction features should I expect?\u003c\/h3\u003e\n\u003cp\u003eThe propeller is cast from an aluminum alloy chosen for flexibility and impact resistance common to recreational boating. A patented anti-corrosion finish and improved blade shaping are included to help prolong service life and reduce maintenance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLightweight aluminum alloy construction for improved handling and lower inertia.\u003c\/li\u003e\n  \u003cli\u003eBlack corrosion-resistant coating to protect the hubs and blades.\u003c\/li\u003e\n  \u003cli\u003ePressed-in hub for straightforward replacement of worn or damaged props.\u003c\/li\u003e\n  \u003cli\u003eQuality checks during production to preserve balance and RPM performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation and what should I check before fitting?\u003c\/h3\u003e\n\u003cp\u003eInstallation is designed to be user-friendly when the prop matches your engine specs. Use the original prop nut and cotter pin or hardware specified by the manufacturer; if hardware is worn, replace it to maintain a secure fit.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify diameter, pitch, spline count, rotation, and horsepower rating first.\u003c\/li\u003e\n  \u003cli\u003eUse the pressed-in hub—no special tools beyond standard prop tools are normally required.\u003c\/li\u003e\n  \u003cli\u003eInspect the prop shaft and old prop for damage before fitting the new unit.\u003c\/li\u003e\n  \u003cli\u003eTest boat behavior at low throttle after installation, then check high RPMs and trim.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This JSPROP propeller suits recreational boat owners, rental fleets, and do-it-yourself marine technicians who need a dependable replacement for BRP Johnson or Evinrude 40–75HP outboards with a 13-spline shaft. It’s practical for anglers, weekend boaters, and anyone seeking a durable, corrosion-resistant aluminum prop that balances cost with reliable on-water performance.\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: Does this prop fit a 55HP Evinrude with 13 splines?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, if your engine uses a 13-spline shaft and accepts a 12 1\/4\" x 15\" right-rotation prop, it is compatible with 40–75HP Evinrude models.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use this prop in saltwater?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, the prop has an anti-corrosion coating for light saltwater use, but rinse with fresh water after exposure for best longevity.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"JSPROP","offers":[{"title":"Default Title","offer_id":48029850435745,"sku":"B0BRKRKNKT","price":160.26,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0758\/6532\/5729\/files\/jsprop-front-view-propeller.jpg?v=1791392955","url":"https:\/\/canadiansporting.ca\/products\/jsprop-12-1-4x15-boat-propeller-for-brp-johnson-evinrude","provider":"Canadian Sporting","version":"1.0","type":"link"}