{"product_id":"520-104-o-ring-drive-chain-for-yamaha-it250-1977-1978-dt250","title":"520-104 O-Ring Drive Chain for Yamaha IT250 1977-1978 DT250","description":"\u003ch2\u003e520-104 O-Ring Drive Chain for Yamaha IT250\u003c\/h2\u003e\u003cp\u003eThis 520-104 O-Ring drive chain is a replacement chain sized to fit the Yamaha IT250 and DT 250 models listed, built with sealed O-ring construction to hold lubricant at the pins and rollers.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis 520-104 O-Ring drive chain is a direct-fit replacement for riders who need to renew the final drive on the Yamaha IT250 and DT 250. The O-ring drive chain uses sealed links to keep grease in place, which reduces wear between the pins and rollers compared to a standard chain. It suits owners doing routine maintenance, restoration work, or a full drivetrain refresh on these classic machines.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e520 pitch, 104 link count matched to the applications listed\u003c\/li\u003e\n\u003cli\u003eO-ring seals retain lubrication at each pin and roller\u003c\/li\u003e\n\u003cli\u003eSealed construction slows elongation and extends chain life\u003c\/li\u003e\n\u003cli\u003eRollers and pins made for dependable power transfer under load\u003c\/li\u003e\n\u003cli\u003eIncludes a connecting link for installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Yamaha IT250 1977-1978\u003c\/li\u003e\n\u003cli\u003efor Yamaha DT 250\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTrail riding and enduro use where grit and moisture attack an open chain\u003c\/li\u003e\n\u003cli\u003eRoutine replacement as part of sprocket and drivetrain service\u003c\/li\u003e\n\u003cli\u003eClassic bike restoration projects that call for a sealed chain\u003c\/li\u003e\n\u003cli\u003eLong-distance riding where chain life and low maintenance matter\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number(s)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e520-104\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChain Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eO-Ring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePitch\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e520\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLink Count\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e104\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Do I need to change the sprockets at the same time? \u003cstrong\u003eA:\u003c\/strong\u003e It is good practice to inspect both sprockets for hooking or wear when fitting a new chain. Worn sprockets accelerate wear on a fresh chain.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does an O-ring chain need regular lubrication? \u003cstrong\u003eA:\u003c\/strong\u003e The O-rings keep the internal grease sealed at the pins, but the rollers and outer plates still benefit from periodic cleaning and light lubrication.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eSlight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.\u003c\/em\u003e\u003c\/p\u003e","brand":"Solid Spare","offers":[{"title":"Default Title","offer_id":51149261307990,"sku":"OO1C30504","price":93.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_3775950f-a235-4bdc-9a03-2efdd095540e.jpg?v=1794570609","url":"https:\/\/www.solidspare.com\/products\/520-104-o-ring-drive-chain-for-yamaha-it250-1977-1978-dt250","provider":"Solid Spare","version":"1.0","type":"link"}