{"product_id":"yamaha-838-11121-00-00-cylinder-head-assembly","title":"Yamaha 838-11121-00-00 Cylinder Head Assembly","description":"\u003ch3 data-section-id=\"nq8ynu\" data-start=\"0\" data-end=\"18\"\u003eDescription:\u003c\/h3\u003e\n\u003cp data-start=\"19\" data-end=\"455\"\u003eThe Yamaha 838-11121-00-00 Cylinder Head is a combustion chamber component used in snowmobile engine cylinder and head systems. Commonly installed in Yamaha vintage snowmobiles to seal the combustion chamber and house critical components such as spark plug interfaces. Maintenance teams and engine technicians use this part for repair, replacement, and engine rebuild applications to restore compression and proper engine performance.\u003c\/p\u003e\n\u003ch3 data-section-id=\"plkbhx\" data-start=\"457\" data-end=\"476\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"477\" data-end=\"947\"\u003eThe Yamaha 838-11121-00-00 Cylinder Head is used in Yamaha engine assemblies where proper combustion sealing and heat dissipation are critical for operation. It is commonly found in Yamaha vintage snowmobile engines, mounted on top of the cylinder to form the combustion chamber and support ignition components. This component ensures efficient combustion, maintains compression, and supports engine cooling under load conditions. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"68ulmp\" data-start=\"949\" data-end=\"980\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"981\" data-end=\"1606\"\u003e• Brand: Yamaha\u003cbr data-start=\"996\" data-end=\"999\"\u003e• Part Number: 838-11121-00-00\u003cbr data-start=\"1029\" data-end=\"1032\"\u003e• Product Type: Cylinder head\u003cbr data-start=\"1061\" data-end=\"1064\"\u003e• Function: Seals combustion chamber and supports ignition components\u003cbr data-start=\"1133\" data-end=\"1136\"\u003e• Application: Snowmobile engine cylinder head system\u003cbr data-start=\"1189\" data-end=\"1192\"\u003e• Fitment: Yamaha vintage snowmobiles (model-specific compatibility required) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1307\" data-end=\"1310\"\u003e• Mounting Location: Top of engine cylinder\u003cbr data-start=\"1353\" data-end=\"1356\"\u003e• Material: Cast aluminum alloy for heat dissipation\u003cbr data-start=\"1408\" data-end=\"1411\"\u003e• System Role: Maintains compression and combustion efficiency\u003cbr data-start=\"1473\" data-end=\"1476\"\u003e• Design: Machined head with combustion chamber profile and spark plug port\u003cbr data-start=\"1551\" data-end=\"1554\"\u003e• OEM Status: Genuine Yamaha replacement component\u003c\/p\u003e\n\u003ch3 data-section-id=\"1ln9bp8\" data-start=\"1608\" data-end=\"1634\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"1635\" data-end=\"1715\"\u003e• Yamaha 838-11121-01-00\u003cbr data-start=\"1659\" data-end=\"1662\"\u003e• Yamaha 836-11121-00-00\u003cbr data-start=\"1686\" data-end=\"1689\"\u003e• Yamaha 8F3-11121-00-00\u003c\/p\u003e","brand":"Yamaha","offers":[{"title":"New Surplus No Box","offer_id":51733918122286,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/Ebay_website_image_81fc6d58-6209-419d-9229-a14f3a7b6310.jpg?v=1770604193","url":"https:\/\/plgautomation.com\/products\/yamaha-838-11121-00-00-cylinder-head-assembly","provider":"PLG Automation ","version":"1.0","type":"link"}