{"product_id":"yamaha-key-woodruff-90280-05040-00","title":"Yamaha - Key,woodruff - 90280-05040-00","description":"\u003ch2 data-section-id=\"kuoq0r\" data-start=\"0\" data-end=\"70\"\u003eYamaha - Woodruff Key - Flywheel \u0026amp; Shaft Alignment - 90280-05040-00\u003c\/h2\u003e\n\u003chr data-start=\"72\" data-end=\"75\"\u003e\n\u003ch2 data-section-id=\"rzkdgm\" data-start=\"77\" data-end=\"88\"\u003eOverview\u003c\/h2\u003e\n\u003cp data-start=\"89\" data-end=\"502\"\u003eThis woodruff key is one of those parts that does its job quietly, but you’ll know right away when it’s not right. It keeps your flywheel and shaft locked in proper position so timing stays consistent every time you run the motor. I’ve seen engines chase all kinds of issues that came down to a worn or slightly sheared key. It’s small, but it’s a critical piece for keeping everything running smooth and in sync.\u003c\/p\u003e\n\u003chr data-start=\"504\" data-end=\"507\"\u003e\n\u003ch2 data-section-id=\"1ma7m6t\" data-start=\"509\" data-end=\"524\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"525\" data-end=\"916\"\u003e\n\u003cli data-section-id=\"4b4c0n\" data-start=\"525\" data-end=\"628\"\u003e\n\u003cp data-start=\"527\" data-end=\"628\"\u003e\u003cstrong data-start=\"527\" data-end=\"555\"\u003ePrecise Timing Alignment\u003c\/strong\u003e – Keeps components indexed correctly to maintain proper engine timing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"13x1y1l\" data-start=\"629\" data-end=\"730\"\u003e\n\u003cp data-start=\"631\" data-end=\"730\"\u003e\u003cstrong data-start=\"631\" data-end=\"658\"\u003eSecure Shaft Engagement\u003c\/strong\u003e – Prevents slipping between the shaft and connected parts under load.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1rsk0qf\" data-start=\"731\" data-end=\"822\"\u003e\n\u003cp data-start=\"733\" data-end=\"822\"\u003e\u003cstrong data-start=\"733\" data-end=\"759\"\u003eHeavy-Duty Metal Build\u003c\/strong\u003e – Designed to handle torque and continuous engine operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1p0mei3\" data-start=\"823\" data-end=\"916\"\u003e\n\u003cp data-start=\"825\" data-end=\"916\"\u003e\u003cstrong data-start=\"825\" data-end=\"846\"\u003eFactory-Exact Fit\u003c\/strong\u003e – Matches Yamaha specifications for proper seating and performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"918\" data-end=\"921\"\u003e\n\u003ch2 data-section-id=\"1qx5o2j\" data-start=\"923\" data-end=\"953\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/h2\u003e\n\u003cp data-start=\"954\" data-end=\"1222\"\u003eUsed across many Yamaha outboards in flywheel, crankshaft, and other keyed shaft applications. Essential for maintaining correct alignment in systems where engine timing and rotational accuracy matter. Always confirm correct sizing and application before installation.\u003c\/p\u003e\n\u003chr data-start=\"1224\" data-end=\"1227\"\u003e\n\u003ch2 data-section-id=\"1hryhf7\" data-start=\"1229\" data-end=\"1235\"\u003eFAQ\u003c\/h2\u003e\n\u003cp data-start=\"1237\" data-end=\"1379\"\u003e\u003cstrong data-start=\"1237\" data-end=\"1293\"\u003eQ: What happens if this woodruff key starts to fail?\u003c\/strong\u003e\u003cbr data-start=\"1293\" data-end=\"1296\"\u003eA: You’ll usually notice timing issues, rough running, or the engine may not start.\u003c\/p\u003e\n\u003cp data-start=\"1381\" data-end=\"1525\"\u003e\u003cstrong data-start=\"1381\" data-end=\"1435\"\u003eQ: Can I install it without removing the flywheel?\u003c\/strong\u003e\u003cbr data-start=\"1435\" data-end=\"1438\"\u003eA: In most cases, the flywheel or connected component will need to come off for access.\u003c\/p\u003e\n\u003cp data-start=\"1527\" data-end=\"1657\"\u003e\u003cstrong data-start=\"1527\" data-end=\"1582\"\u003eQ: Should the key sit completely flush in the slot?\u003c\/strong\u003e\u003cbr data-start=\"1582\" data-end=\"1585\"\u003eA: Yes, it should sit snug and even—no rocking or sticking out unevenly.\u003c\/p\u003e\n\u003cp data-start=\"1659\" data-end=\"1803\"\u003e\u003cstrong data-start=\"1659\" data-end=\"1710\"\u003eQ: Is this part affected by saltwater exposure?\u003c\/strong\u003e\u003cbr data-start=\"1710\" data-end=\"1713\"\u003eA: Over time, yes—corrosion can build up, so clean installs and maintenance are important.\u003c\/p\u003e\n\u003cp data-start=\"1805\" data-end=\"1965\"\u003e\u003cstrong data-start=\"1805\" data-end=\"1856\"\u003eQ: What’s a common mistake during installation?\u003c\/strong\u003e\u003cbr data-start=\"1856\" data-end=\"1859\"\u003eA: Not seating it fully or forcing it into place, which can cause it to fail quickly once the engine runs.\u003c\/p\u003e","brand":"Yamaha","offers":[{"title":"Default Title","offer_id":46934347940131,"sku":"90280-05040-00","price":3.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV286815.jpg?v=1698788249","url":"https:\/\/partsvu.com\/en-ca\/products\/yamaha-key-woodruff-90280-05040-00","provider":"PartsVu","version":"1.0","type":"link"}