{"product_id":"zreneyfex-carburetor-rebuild-kits-for-kawasaki-ninja-ex250-250r-2001-2012-2-piece-set-with-jets-diaphragms-and-floats","title":"Zreneyfex Carburetor Rebuild Kits for Kawasaki Ninja EX250\/250R (2001–2012) — 2‑Piece Set with Jets, Diaphragms and Floats","description":"\u003cstrong\u003eZreneyfex 2 Pcs Carburetor Rebuild Kits are complete replacement sets designed to restore the fuel delivery components on Kawasaki Ninja EX250\/250R models from 2001 to 2012.\u003c\/strong\u003e\n\n\u003cp\u003eIf your Ninja EX250 is showing rough idling, sluggish throttle response, or fuel seepage from the carburetor, worn internal parts are often the cause. These Zreneyfex kits supply the common consumables—gaskets, jets, needles, floats and diaphragms—so you can rebuild both carburetors and return the intake system to reliable operation. Each kit is assembled to include the jets and seals most commonly replaced during routine carburetor maintenance.\u003c\/p\u003e\n\n\u003ch3\u003eWhat exactly is included in each rebuild kit and why does it matter?\u003c\/h3\u003e\n\u003cp\u003eEach kit contains the key replaceable parts that control fuel metering and sealing inside the carburetor. Replacing these items addresses leaks, clogged passages and worn valves that change the fuel-air mixture and throttle behavior.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e105 main jet and 38 pilot (slow) jet for correct fuel metering\u003c\/li\u003e\n  \u003cli\u003eJet needles, float valves and float chamber gaskets for sealing and level control\u003c\/li\u003e\n  \u003cli\u003eDiaphragms and small rubber O-rings to restore vacuum-operated components\u003c\/li\u003e\n  \u003cli\u003ePlastic components chosen for durability and corrosion resistance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow will these parts affect engine performance and fuel economy?\u003c\/h3\u003e\n\u003cp\u003eFresh jets and properly sealing floats help the carburetor deliver a consistent mixture across idle to full throttle. When fuel metering is consistent, throttle response improves and combustion becomes more efficient, which can stabilize idle and reduce hiccups during acceleration.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRestored jet sizes ensure predictable rich\/lean behavior under different loads\u003c\/li\u003e\n  \u003cli\u003eNew float valves prevent overflow and fuel dribble that cause rough running\u003c\/li\u003e\n  \u003cli\u003eReplaced diaphragms recover proper vacuum response for steady throttle action\u003c\/li\u003e\n  \u003cli\u003eComplete kit reduces repeat disassembly by supplying common wear items\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs installation difficult and what tools or skills are required?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward for anyone comfortable with basic motorcycle maintenance and hand tools. A clean workspace, a service manual or parts diagram for reference, and simple tools like screwdrivers, a socket set and carb cleaner will cover most steps.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRecommended: service manual for disassembly\/reassembly torque and sequences\u003c\/li\u003e\n  \u003cli\u003eBasic hand tools: screwdrivers, pliers, sockets, and small picks for seals\u003c\/li\u003e\n  \u003cli\u003eCarburetor cleaner and compressed air help clear passages before fitting new parts\u003c\/li\u003e\n  \u003cli\u003eKit is designed to replace both carburetors (2 pieces) for balanced performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich Kawasaki models and years are these kits compatible with?\u003c\/h3\u003e\n\u003cp\u003eThese Zreneyfex kits are specified for the Kawasaki Ninja EX250, also marketed as the 250R, covering model years 2001 through 2012. They match the common jet sizes and internal layouts used on those carburetors.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFitment: Kawasaki Ninja EX250 \/ 250R model years 2001–2012\u003c\/li\u003e\n  \u003cli\u003eIncludes main and pilot jets that align with stock Kawasaki carburetor specs\u003c\/li\u003e\n  \u003cli\u003eSold as a two-pack so both carburetors can be serviced at once\u003c\/li\u003e\n  \u003cli\u003eIdeal for owners maintaining or refreshing older bikes out of regular service\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: These rebuild kits suit DIY mechanics, motorcycle enthusiasts and independent shops working on Kawasaki Ninja EX250\/250R bikes built between 2001 and 2012. If you want to correct fuel leaks, restore throttle responsiveness, or perform preventative maintenance on both carburetors without sourcing individual parts, this two-pack provides the typical jets, valves and seals needed to get the carburetor system back into dependable working order.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do these kits fit both carburetors on the Ninja EX250?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The package contains two rebuild kits so you can service both carburetors on the EX250\/250R.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are the jet sizes included compatible with stock settings?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The kit includes a 105 main jet and 38 pilot jet, matching common stock metering for these models.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Zreneyfex","offers":[{"title":"Default Title","offer_id":48084514111646,"sku":"B0D941K43L","price":30.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/zreneyfex-front-packaging-carburetor-rebuild-kit.jpg?v=1785858349","url":"https:\/\/northtrailauto.ca\/products\/zreneyfex-carburetor-rebuild-kits-for-kawasaki-ninja-ex250-250r-2001-2012-2-piece-set-with-jets-diaphragms-and-floats","provider":"North Trail Auto","version":"1.0","type":"link"}