{"product_id":"yamaha-key-woodruff-90280-04m04-00","title":"Yamaha - Key,woodruff - 90280-04M04-00","description":"\u003ch2 data-section-id=\"ulsld3\" data-start=\"0\" data-end=\"70\"\u003eYamaha - Woodruff Key - Flywheel \u0026amp; Shaft Alignment - 90280-04M04-00\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=\"483\"\u003eThis woodruff key is one of those parts that keeps everything lined up without drawing attention to itself. It holds your flywheel or gear in the exact position it needs to stay in so timing doesn’t shift under load. I’ve seen engines run rough or lose timing completely from a key that was just slightly worn. It’s a small piece, but it’s doing critical work every time that motor is spinning.\u003c\/p\u003e\n\u003chr data-start=\"485\" data-end=\"488\"\u003e\n\u003ch2 data-section-id=\"1ma7m6t\" data-start=\"490\" data-end=\"505\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"506\" data-end=\"890\"\u003e\n\u003cli data-section-id=\"wkr225\" data-start=\"506\" data-end=\"612\"\u003e\n\u003cp data-start=\"508\" data-end=\"612\"\u003e\u003cstrong data-start=\"508\" data-end=\"537\"\u003ePrecise Alignment Control\u003c\/strong\u003e – Keeps rotating components properly indexed for accurate engine timing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1un12w2\" data-start=\"613\" data-end=\"707\"\u003e\n\u003cp data-start=\"615\" data-end=\"707\"\u003e\u003cstrong data-start=\"615\" data-end=\"639\"\u003eSecure Anti-Slip Fit\u003c\/strong\u003e – Prevents movement between shaft and connected parts under load.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1tt7z6n\" data-start=\"708\" data-end=\"792\"\u003e\n\u003cp data-start=\"710\" data-end=\"792\"\u003e\u003cstrong data-start=\"710\" data-end=\"740\"\u003eDurable Metal Construction\u003c\/strong\u003e – Built to handle engine torque and repeated use.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"c5p9ll\" data-start=\"793\" data-end=\"890\"\u003e\n\u003cp data-start=\"795\" data-end=\"890\"\u003e\u003cstrong data-start=\"795\" data-end=\"818\"\u003eYamaha-Specific Fit\u003c\/strong\u003e – Matches factory keyway dimensions for a clean and reliable install.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"892\" data-end=\"895\"\u003e\n\u003ch2 data-section-id=\"1qx5o2j\" data-start=\"897\" data-end=\"927\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/h2\u003e\n\u003cp data-start=\"928\" data-end=\"1200\"\u003eUsed across a variety of Yamaha outboards in flywheel, crankshaft, and other keyed shaft applications. Essential for maintaining proper alignment in systems where timing and rotational accuracy are critical. Always confirm correct sizing and placement before installation.\u003c\/p\u003e\n\u003chr data-start=\"1202\" data-end=\"1205\"\u003e\n\u003ch2 data-section-id=\"1hryhf7\" data-start=\"1207\" data-end=\"1213\"\u003eFAQ\u003c\/h2\u003e\n\u003cp data-start=\"1215\" data-end=\"1363\"\u003e\u003cstrong data-start=\"1215\" data-end=\"1273\"\u003eQ: What are the early signs of a failing woodruff key?\u003c\/strong\u003e\u003cbr data-start=\"1273\" data-end=\"1276\"\u003eA: You may notice slight timing issues, rough idle, or inconsistent engine performance.\u003c\/p\u003e\n\u003cp data-start=\"1365\" data-end=\"1514\"\u003e\u003cstrong data-start=\"1365\" data-end=\"1425\"\u003eQ: Can I replace this without removing major components?\u003c\/strong\u003e\u003cbr data-start=\"1425\" data-end=\"1428\"\u003eA: Usually not—you’ll typically need access by removing the flywheel or related parts.\u003c\/p\u003e\n\u003cp data-start=\"1516\" data-end=\"1656\"\u003e\u003cstrong data-start=\"1516\" data-end=\"1565\"\u003eQ: Should I replace it even if it looks okay?\u003c\/strong\u003e\u003cbr data-start=\"1565\" data-end=\"1568\"\u003eA: If there’s any doubt or visible wear, it’s safer to replace it while you’re in there.\u003c\/p\u003e\n\u003cp data-start=\"1658\" data-end=\"1787\"\u003e\u003cstrong data-start=\"1658\" data-end=\"1698\"\u003eQ: How should it fit once installed?\u003c\/strong\u003e\u003cbr data-start=\"1698\" data-end=\"1701\"\u003eA: It should sit snug and flush in the keyway without rocking or sticking up unevenly.\u003c\/p\u003e\n\u003cp data-start=\"1789\" data-end=\"1934\"\u003e\u003cstrong data-start=\"1789\" data-end=\"1838\"\u003eQ: What causes these keys to fail most often?\u003c\/strong\u003e\u003cbr data-start=\"1838\" data-end=\"1841\"\u003eA: Improper torque, sudden impact, or components slipping out of alignment are common causes.\u003c\/p\u003e","brand":"Yamaha","offers":[{"title":"Default Title","offer_id":46934348562723,"sku":"90280-04M04-00","price":8.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV286803.jpg?v=1698788251","url":"https:\/\/partsvu.com\/en-ca\/products\/yamaha-key-woodruff-90280-04m04-00","provider":"PartsVu","version":"1.0","type":"link"}