{"product_id":"rotax-125-max-drive-sprocket-219","title":"(5) Rotax 125 MAX EVO Drive Sprocket 219 – 11 to 16 Tooth","description":"\u003cp\u003eThe \u003cstrong\u003eRotax 125 MAX EVO Drive Sprocket\u003c\/strong\u003e is the OEM engine sprocket that attaches to the clutch drum assembly and drives the 219 pitch kart chain. Available in \u003cstrong\u003e11 through 16 tooth\u003c\/strong\u003e configurations, these genuine Rotax sprockets are stamped with the ROTAX logo and designed for use with the Type 219 chain on all Rotax 125 MAX EVO engines. Sprocket tooth count selection directly affects your final drive ratio — lower tooth counts give more acceleration, higher counts increase top speed.\u003c\/p\u003e\n\u003cp\u003eThe 11-tooth sprocket (R.236877) uses a plain bearing (R.233855) and a specific outer thrust washer (R.627345). All 12–16 tooth sprockets (R.636021–R.636025) use the needle cage bearing (R.632415) and the standard outer thrust washer (R.627340). Compatible with all Rotax 125 MAX EVO variants: \u003cstrong\u003eSenior MAX EVO, Junior MAX EVO, Mini MAX EVO, and Micro MAX EVO\u003c\/strong\u003e.\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Rotax 125 Senior MAX EVO, Junior MAX EVO, Mini MAX EVO, Micro MAX EVO\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSelect your tooth count from the dropdown above. CMC Karting stocks all six tooth configurations so you can dial in the right ratio for your track and class. Order the matching thrust washer and bearing at the same time for a complete sprocket swap.\u003c\/p\u003e","brand":"KSG\/Karting Solutions Group","offers":[{"title":"11 Tooth","offer_id":47938854027485,"sku":"R.236877","price":61.35,"currency_code":"USD","in_stock":true},{"title":"12 Tooth","offer_id":47938854060253,"sku":"R.636021","price":63.69,"currency_code":"USD","in_stock":true},{"title":"13 Tooth","offer_id":47938854093021,"sku":"R.636022","price":63.69,"currency_code":"USD","in_stock":true},{"title":"14 Tooth","offer_id":47938854125789,"sku":"R.636023","price":63.69,"currency_code":"USD","in_stock":true},{"title":"15 Tooth","offer_id":47938854158557,"sku":"R.636024","price":63.69,"currency_code":"USD","in_stock":true},{"title":"16 Tooth","offer_id":47938854191325,"sku":"R.636025","price":63.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0731\/6770\/0189\/files\/CMC_Rotax_5_Clutch_Group.png?v=1779728356","url":"https:\/\/cmckarting.com\/products\/rotax-125-max-drive-sprocket-219","provider":"CMC Karting","version":"1.0","type":"link"}