{"product_id":"250nk-cf250-a-250srr25-crankshaft-connecting-rod-assembly","title":"CF250-A 250SRR25 Crankshaft Connecting Rod Assembly | 250NK","description":"\n\u003ch2\u003e250NK CF250-A \/ 250SRR25 Crankshaft Connecting Rod Assembly\u003c\/h2\u003e\n\u003cp\u003eKeep your 250cc engine running at peak performance with this precision-engineered \u003cstrong\u003eCrankshaft Connecting Rod Assembly\u003c\/strong\u003e, designed as a direct-fit replacement for \u003cstrong\u003eCF250-A and 250SRR25\u003c\/strong\u003e engines (250NK platform). Whether you're restoring a quad, ATV, scooter, or go-kart powered by a CF250-series powerplant, this assembly provides the structural backbone your engine needs for smooth, reliable operation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDirect OEM-Style Fit\u003c\/strong\u003e – Engineered specifically for CF250-A and 250SRR25 crankcase configurations; installs with no modification required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrecision-Machined Components\u003c\/strong\u003e – Crankshaft journals and connecting rod big-end are machined to tight tolerances for consistent clearance and smooth rotation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Construction\u003c\/strong\u003e – High-grade steel construction withstands the heat and stress of continuous engine operation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComplete Assembly\u003c\/strong\u003e – Includes crankshaft and connecting rod as a matched set, saving you sourcing time and ensuring compatibility between components.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBroad Application\u003c\/strong\u003e – Compatible with 250NK, CF250-A, and 250SRR25 engine platforms found in ATVs, go-karts, scooters, and utility vehicles.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Engine\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCF250-A \/ 250SRR25 (250NK)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAssembly Includes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCrankshaft + Connecting Rod\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh-Grade Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhy Replace Your Crankshaft Assembly?\u003c\/h3\u003e\n\u003cp\u003eThe crankshaft and connecting rod are central to converting combustion energy into rotational power. Worn or damaged components can lead to excessive vibration, reduced engine efficiency, and eventually engine failure. Replacing the assembly with a properly matched unit restores proper balance and power delivery to your machine.\u003c\/p\u003e\n\n\u003cp\u003eFor guidance on engine maintenance best practices and safe mechanical work, refer to OSHA's Mechanical Power Transmission Safety Guidelines.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/0-60mpa-pressure-gauge-s60h-diesel-injector-nozzle-tester-8000psi\"\u003e0-60MPa Pressure Gauge for S60H Diesel Injector Nozzle Tester\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-4-3-8-to-m4-m5-m6-m8-m10-thread-conversion-screw-mount-adapter-tripod-projector\"\u003e1\/4\" \u0026amp; 3\/8\" to M4–M10 Thread Conversion Screw Mount Adapter\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/hex-shank-wire-twister-drill-attachment-rebar-tie-wire-tool\"\u003e1\/4\" Hex Wire Twister Drill Attachment – Rebar Tie Wire Tool\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Crankshaft\" target=\"_blank\" rel=\"noopener\"\u003eCrankshaft\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Which engine models is this crankshaft connecting rod assembly compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This assembly is designed for CF250-A and 250SRR25 engines on the 250NK platform. It is commonly used in 250cc ATVs, go-karts, scooters, and utility vehicles equipped with these engine codes. Always verify your engine code before ordering.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does this include both the crankshaft and connecting rod?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. This is a complete matched assembly that includes both the crankshaft and the connecting rod, ensuring proper fitment and balance between the two components right out of the box.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is professional installation recommended for a crankshaft connecting rod assembly?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. Crankshaft installation requires engine disassembly, torque specifications, and precise alignment. We strongly recommend having this part installed by a qualified mechanic or powersports technician to ensure safety and optimal engine performance.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the country of origin for this product?\u003c\/h4\u003e\n\u003cp\u003eA: This crankshaft connecting rod assembly is made in Mainland China.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Which engine models is this crankshaft connecting rod assembly compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This assembly is designed for CF250-A and 250SRR25 engines on the 250NK platform. It is commonly used in 250cc ATVs, go-karts, scooters, and utility vehicles equipped with these engine codes. Always verify your engine code before ordering.\"}}, {\"@type\": \"Question\", \"name\": \"Does this include both the crankshaft and connecting rod?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. This is a complete matched assembly that includes both the crankshaft and the connecting rod, ensuring proper fitment and balance between the two components right out of the box.\"}}, {\"@type\": \"Question\", \"name\": \"Is professional installation recommended for a crankshaft connecting rod assembly?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. Crankshaft installation requires engine disassembly, torque specifications, and precise alignment. We strongly recommend having this part installed by a qualified mechanic or powersports technician to ensure safety and optimal engine performance.\"}}, {\"@type\": \"Question\", \"name\": \"What is the country of origin for this product?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This crankshaft connecting rod assembly is made in Mainland China.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/oasis-select.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Car \u0026 Auto\", \"item\": \"https:\/\/oasis-select.com\/collections\/car-auto\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"CF250-A 250SRR25 Crankshaft Connecting Rod Assembly | 250NK\", \"item\": \"https:\/\/oasis-select.com\/products\/250nk-cf250-a-250srr25-crankshaft-connecting-rod-assembly\"}]}\u003c\/script\u003e","brand":"Oasis Select","offers":[{"title":"1PC","offer_id":47745276084329,"sku":"14:771#1PC","price":387.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/7931\/3257\/files\/Sfadfec97a5d84b5194d6562e6df61637y.webp?v=1783031397","url":"https:\/\/oasis-select.com\/products\/250nk-cf250-a-250srr25-crankshaft-connecting-rod-assembly","provider":"Oasis Select","version":"1.0","type":"link"}