{"product_id":"520-102-o-ring-drive-chain-for-yamaha-mx250-1973-1974","title":"520-102 O-Ring Drive Chain for Yamaha MX250 1973-1974","description":"\u003ch2\u003eO-Ring Drive Chain for Yamaha MX250\u003c\/h2\u003e\u003cp\u003eThis 520-102 O-ring drive chain is a 102-link sealed chain sized for the Yamaha MX250, sealing lubricant in and keeping grit out for longer drivetrain life.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis 520-102 O-ring drive chain is made as a replacement for the Yamaha MX250 and brings sealed construction to a classic motocross drivetrain. The 520-102 O-ring drive chain uses the standard 520 pitch with 102 links, matching the original length while O-ring seals hold grease at the pins and block out dirt. It is aimed at vintage MX250 owners who want a longer-lasting chain than a standard roller design.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e520 pitch sealed chain matched to the Yamaha MX250 drivetrain\u003c\/li\u003e\n\u003cli\u003e102-link length sized as a direct replacement for the original chain\u003c\/li\u003e\n\u003cli\u003eO-ring seals retain lubricant at the pins and bushings\u003c\/li\u003e\n\u003cli\u003eSealed design keeps dirt and water out for longer service life\u003c\/li\u003e\n\u003cli\u003eHeat-treated pins and rollers for dependable wear resistance\u003c\/li\u003e\n\u003cli\u003eSupplied with a master link for straightforward installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Yamaha MX250 1973\u003c\/li\u003e\n\u003cli\u003efor Yamaha MX250 1974\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTrail riding and vintage motocross on the Yamaha MX250\u003c\/li\u003e\n\u003cli\u003eDrivetrain rebuilds where longer chain life is wanted\u003c\/li\u003e\n\u003cli\u003eReplacing a stretched or worn-out chain\u003c\/li\u003e\n\u003cli\u003eRiding in dusty or wet conditions where sealed chains shine\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChain Pitch\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e520\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLinks\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e102\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number(s)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e520-102\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eO-Ring Sealed Chain\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 Does this chain include a master link? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, this 520-102 O-ring drive chain comes with a master link so it can be fitted without special tools. \u003cstrong\u003eQ:\u003c\/strong\u003e Is an O-ring chain wider than a standard chain? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, the seals add width, so check clearance at the countershaft sprocket and chain guard on your Yamaha MX250 before ordering.\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":51149262618710,"sku":"OO1C30509","price":92.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_cf6da45e-fe93-458e-adf9-76baa498c0ce.jpg?v=1794570611","url":"https:\/\/www.solidspare.com\/products\/520-102-o-ring-drive-chain-for-yamaha-mx250-1973-1974","provider":"Solid Spare","version":"1.0","type":"link"}