{"title":"Transmission","description":"Transmission. Drive shaft, gear box cover, drain plug, counter shaft and gearsfor the 250cc 4-stroke CN250 water-cooled 172mm engines found in Chinese Scooters and Buggies. ","products":[{"product_id":"needle-bearing-magento-97","title":"Universal Parts CN250 Transmission Needle Bearing","description":"\u003cp\u003eRestore smooth, low-friction power transfer in your CN250 transmission with this Universal Parts replacement needle roller bearing. Designed specifically for the 250cc 4-stroke water-cooled 172mm engine found in Chinese street-legal scooters, ATVs, dune buggies, and go-karts, this is a direct OEM-spec replacement for the factory transmission bearing. Needle roller bearings provide a higher load capacity in a compact form factor compared to standard ball bearings, making them the correct choice for the high-radial-load environment inside the CN250 gearbox.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM-Spec Dimensions:\u003c\/strong\u003e 14mm inner diameter × 22mm outer diameter × 16mm wide — direct drop-in replacement for the factory bearing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeedle Roller Design:\u003c\/strong\u003e High radial load capacity in a compact form factor — correct bearing type for CN250 172mm transmission shafts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSteel Construction:\u003c\/strong\u003e Hardened steel outer race and needle rollers for durability under continuous transmission load\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Replacement:\u003c\/strong\u003e Matches OEM specification for compatible CN250 172mm engine transmissions — no modifications required\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eOEM-spec dimensions — 14mm ID × 22mm OD × 16mm wide, direct drop-in for CN250 172mm transmission\u003c\/li\u003e\n\u003cli\u003eNeedle roller design — high radial load capacity in compact form factor, correct type for CN250 gearbox shafts\u003c\/li\u003e\n\u003cli\u003eHardened steel outer race and needle rollers — durable under continuous transmission load\u003c\/li\u003e\n\u003cli\u003eDirect OEM replacement — no modifications required for compatible CN250 172mm engines\u003c\/li\u003e\n\u003cli\u003eWide brand compatibility — fits Boreem, CFMoto, Kazuma, Roketa, SUNL, Tank and other CN250-based vehicles\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInner Diameter (ID):\u003c\/strong\u003e 14mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter Diameter (OD):\u003c\/strong\u003e 22mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 16mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBearing Type:\u003c\/strong\u003e Needle roller\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine:\u003c\/strong\u003e CN250 172mm 4-stroke water-cooled\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN \/ SKU:\u003c\/strong\u003e 105-38\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003eCalifornia Prop 65 Warning: www.p65warnings.ca.gov\u003c\/p\u003e\u003ch2\u003eModel Fitment\u003c\/h2\u003e\u003cp\u003eCompatible with 250cc 172mm 4-stroke water-cooled CN250 engines, including vehicles from:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBoreem (BMS)\u003c\/li\u003e\n\u003cli\u003eCFMoto V3 \/ V5\u003c\/li\u003e\n\u003cli\u003eHonda (select CN250-based models)\u003c\/li\u003e\n\u003cli\u003eKazuma\u003c\/li\u003e\n\u003cli\u003eRoketa\u003c\/li\u003e\n\u003cli\u003eSUNL\u003c\/li\u003e\n\u003cli\u003eTank\u003c\/li\u003e\n\u003cli\u003eVarious unlisted Chinese 250cc makes and models with CN250 172mm engines\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Universal Parts","offers":[{"title":"Default Title","offer_id":67964502737217,"sku":"105-38","price":7.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/7785\/2225\/files\/453853.jpg?v=1792793704"},{"product_id":"62-22-2rs-bearing","title":"Universal Parts 62\/22-2RS Bearing","description":"Universal Parts Radial Ball Bearing size 62\/22-2RS for Transmissions on 250cc 4-stroke water-cooled Cn250 172mm engines. (Inner Diameter: 22mm, Outer Diameter: 50mm)\u003cul\u003e \n\n\u003cli\u003eInner Diameter: 22mm  \n\n\u003c\/li\u003e\n\u003cli\u003eOuter Diameter: 50mm  \n\n\u003c\/li\u003e\n\u003cli\u003eWidth: 14mm\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e250cc 172mm 4-stroke, Boreem (BMS), CFmoto V3\/V5, Honda, Kazuma, Roketa, SUNL, Tank, Various unlisted makes\/models","brand":"Universal Parts","offers":[{"title":"Default Title","offer_id":67964505489729,"sku":"105-39","price":11.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/7785\/2225\/files\/453999.jpg?v=1792945432"},{"product_id":"6304-bearing","title":"Universal Parts 6304 Transmission Bearing - 20x52x15mm","description":"\u003cp\u003eThis \u003cstrong\u003eUniversal Parts 6304 transmission bearing\u003c\/strong\u003e helps restore smooth shaft rotation when replacing a worn bearing in a matching scooter transmission. Its open ball-bearing design features exposed balls and a metal cage, with a 20mm inner diameter, 52mm outer diameter, and 15mm width for a precise size match.\u003c\/p\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTransmission refresh:\u003c\/strong\u003e Replacement bearing for compatible transmission shafts and housings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6304 size:\u003c\/strong\u003e Standard bearing designation makes matching your original bearing straightforward.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOpen design:\u003c\/strong\u003e Exposed balls and cage, without side seals or shields.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClear fit-check dimensions:\u003c\/strong\u003e 20mm bore, 52mm outside diameter, and 15mm width.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Universal Parts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e 105-40\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer part number \/ bearing designation:\u003c\/strong\u003e 6304\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInner diameter:\u003c\/strong\u003e 20mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter diameter:\u003c\/strong\u003e 52mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 15mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Open ball bearing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Compatible scooter transmissions, including select 250cc four-stroke applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eModel Fitment\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCFMoto\u003c\/td\u003e\n\u003ctd\u003eV3 \/ V5, at transmission positions requiring a matching 6304 bearing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBoreem \/ BMS\u003c\/td\u003e\n\u003ctd\u003eCompatible transmission applications using a 20 × 52 × 15mm 6304 bearing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHonda, Kazuma, Roketa, SUNL, Tank\u003c\/td\u003e\n\u003ctd\u003eSelect transmission applications using a matching 6304 bearing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOther makes\/models\u003c\/td\u003e\n\u003ctd\u003eMatching 6304 transmission-bearing applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003eMatch the original bearing designation, all three dimensions, and open bearing design before ordering. Fitment depends on the specific transmission and bearing position, not the vehicle brand alone.\u003c\/p\u003e","brand":"Universal Parts","offers":[{"title":"Default Title","offer_id":67964515320129,"sku":"105-40","price":6.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/7785\/2225\/files\/453627_b00df20f-3dfe-4743-b45a-efc181403da8.jpg?v=1792793668"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/7785\/2225\/collections\/AZ_250_transmission_Diagram_1_1.gif?v=1792563128","url":"https:\/\/azscooterparts.com\/collections\/scooter-transmission-driveshaft-gears-250cc-cn250.oembed","provider":"AZScooterParts","version":"1.0","type":"link"}