{"product_id":"yamaha-oil-tank-cap-assembly-6e5-21770-03-00","title":"Yamaha Oil Tank Cap Assembly - 6E5-21770-03-00","description":"\u003ch2 data-section-id=\"lly04p\" data-start=\"0\" data-end=\"68\"\u003e\u003cspan role=\"text\"\u003eYamaha - Oil Tank Cap Assembly - Oil System - 6E5-21770-03-00\u003c\/span\u003e\u003c\/h2\u003e\n\u003chr data-start=\"70\" data-end=\"73\"\u003e\n\u003ch2 data-section-id=\"1og5t7q\" data-start=\"75\" data-end=\"90\"\u003e\u003cspan role=\"text\"\u003eOverview\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"91\" data-end=\"522\"\u003eThis is one of those parts you don’t think about until it starts causing a mess or letting air into the system. A good oil tank cap needs to seal tight and keep everything where it belongs, especially on 2-stroke setups where oil flow matters. I’ve seen cracked or loose caps lead to leaks and even affect how oil feeds into the motor. Swapping it out is a simple fix that keeps your oil system clean and working the way it should.\u003c\/p\u003e\n\u003chr data-start=\"524\" data-end=\"527\"\u003e\n\u003ch2 data-section-id=\"1j5qwet\" data-start=\"529\" data-end=\"548\"\u003e\u003cspan role=\"text\"\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"549\" data-end=\"937\"\u003e\n\u003cli data-section-id=\"1edwh1n\" data-start=\"549\" data-end=\"651\"\u003e\n\u003cstrong data-start=\"551\" data-end=\"576\"\u003eSecure Sealing Design\u003c\/strong\u003e – Keeps the oil tank properly sealed to prevent leaks and contamination.\u003c\/li\u003e\n\u003cli data-section-id=\"29aon7\" data-start=\"652\" data-end=\"744\"\u003e\n\u003cstrong data-start=\"654\" data-end=\"682\"\u003eIntegrated Vent Function\u003c\/strong\u003e – Allows proper airflow to support consistent oil delivery.\u003c\/li\u003e\n\u003cli data-section-id=\"mbe58q\" data-start=\"745\" data-end=\"838\"\u003e\n\u003cstrong data-start=\"747\" data-end=\"771\"\u003eDurable Construction\u003c\/strong\u003e – Built to handle vibration, exposure, and long-term marine use.\u003c\/li\u003e\n\u003cli data-section-id=\"n6h75z\" data-start=\"839\" data-end=\"937\"\u003e\n\u003cstrong data-start=\"841\" data-end=\"856\"\u003eOEM Fitment\u003c\/strong\u003e – Threads and seals correctly with Yamaha oil tanks for reliable installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"939\" data-end=\"942\"\u003e\n\u003ch2 data-section-id=\"1ww02hn\" data-start=\"944\" data-end=\"978\"\u003e\u003cspan role=\"text\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"979\" data-end=\"1175\"\u003eDesigned for Yamaha 2-stroke outboard engines with remote or onboard oil tank systems. Commonly used on mid-range and smaller horsepower motors found on fishing boats, skiffs, and utility vessels.\u003c\/p\u003e\n\u003chr data-start=\"1177\" data-end=\"1180\"\u003e\n\u003ch2 data-section-id=\"elc90z\" data-start=\"1182\" data-end=\"1192\"\u003e\u003cspan role=\"text\"\u003eFAQ\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"1194\" data-end=\"1336\"\u003e\u003cstrong data-start=\"1194\" data-end=\"1238\"\u003eQ: What are signs of a bad oil tank cap?\u003c\/strong\u003e\u003cbr data-start=\"1238\" data-end=\"1241\"\u003eA: Oil leaks, loose fitment, or difficulty maintaining proper oil flow can point to a worn cap.\u003c\/p\u003e\n\u003cp data-start=\"1338\" data-end=\"1472\"\u003e\u003cstrong data-start=\"1338\" data-end=\"1391\"\u003eQ: Can this affect how oil feeds into the engine?\u003c\/strong\u003e\u003cbr data-start=\"1391\" data-end=\"1394\"\u003eA: Yes, if the cap doesn’t vent or seal properly, it can disrupt oil delivery.\u003c\/p\u003e\n\u003cp data-start=\"1474\" data-end=\"1585\"\u003e\u003cstrong data-start=\"1474\" data-end=\"1510\"\u003eQ: Is this part easy to replace?\u003c\/strong\u003e\u003cbr data-start=\"1510\" data-end=\"1513\"\u003eA: Very easy—just remove the old cap and thread the new one on securely.\u003c\/p\u003e\n\u003cp data-start=\"1587\" data-end=\"1715\"\u003e\u003cstrong data-start=\"1587\" data-end=\"1633\"\u003eQ: Does saltwater exposure damage the cap?\u003c\/strong\u003e\u003cbr data-start=\"1633\" data-end=\"1636\"\u003eA: Over time, yes—sun and salt can cause cracking or weakening of the material.\u003c\/p\u003e\n\u003cp data-start=\"1717\" data-end=\"1846\"\u003e\u003cstrong data-start=\"1717\" data-end=\"1771\"\u003eQ: Should I check this during regular maintenance?\u003c\/strong\u003e\u003cbr data-start=\"1771\" data-end=\"1774\"\u003eA: It’s a good idea to inspect it occasionally for cracks or worn seals.\u003c\/p\u003e","brand":"Yamaha","offers":[{"title":"Default Title","offer_id":46937443959075,"sku":"6E5-21770-03-00","price":42.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/6E5-21770-03-00_3.jpg?v=1698801840","url":"https:\/\/partsvu.com\/en-au\/products\/yamaha-oil-tank-cap-assembly-6e5-21770-03-00","provider":"PartsVu","version":"1.0","type":"link"}