{"product_id":"keyster-carburettor-fuel-adjustment-kit-honda-ns400r-nc19","title":"Keyster Carburettor Fuel Adjustment Kit – Honda NS400R (NC19)","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eRestore, tune, and optimise your Honda NS400R carburettors with the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eKeyster Carburettor Fuel Adjustment Kit\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. Manufactured in Japan, Keyster kits are renowned for their quality and are trusted by restorers, tuners, and professional workshops worldwide.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eDesigned for \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eone carburettor (one cylinder)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, this comprehensive kit contains the essential components required for carburettor rebuilding, fault diagnosis, and fine fuel mixture adjustment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eWhether you're restoring a standard NS400R or tuning your engine after intake or exhaust modifications, the Keyster Fuel Adjustment Kit provides the flexibility to achieve precise carburetion.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eFeatures\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eGenuine Keyster carburettor tuning kit\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eDesigned for \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eone carburettor (one cylinder)\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIdeal for carburettor rebuilding and restoration\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWide selection of jets and needles for accurate tuning\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePremium quality Japanese components\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSuitable for standard engines and performance applications\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eKit Contents\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eContents may vary slightly depending on the application. Please refer to the product images.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eTypical kit includes:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eNeedle Valve\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIdle (Air) Screw\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFloat Bowl Gasket\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e3 × Pilot Jets\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e6 × Main Jets\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e4 × Jet Needles\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAdditional seals, washers and small components as required\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003ePrecision Fuel Tuning\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eUnlike conventional rebuild kits, the Keyster Fuel Adjustment Kit includes multiple jet and needle combinations that allow precise adjustment throughout the throttle range.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis makes the kit ideal for:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eCarburettor restoration\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSolving fuel delivery and running issues\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFine-tuning after engine rebuilds\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAir filter upgrades\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePerformance exhaust installations\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCustom engine modifications\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe carefully selected jet sizes are designed to provide smooth and progressive air\/fuel ratio adjustments across low, mid and high RPM ranges.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003ePremium AA Needle Valve\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe supplied rubber-tipped needle valve features Keyster's renowned \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eAA Needle\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e design, developed for outstanding sealing performance and durability.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eFitment\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eHonda NS400R (NC19)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eImportant:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e This kit services \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eone carburettor only\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. The Honda NS400R uses \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ethree carburettors\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, so \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ethree kits are required\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e to completely rebuild all carburettors.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eImportant Information\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eComponents may vary depending on the specific application. Please refer to the product images before ordering.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eProduct specifications may change without prior notice from the manufacturer.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAny instructions included with the kit are likely to be in Japanese.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eBring your Honda NS400R back to its best with a genuine \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eKeyster Carburettor Fuel Adjustment Kit\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e—the preferred choice for enthusiasts seeking reliable performance and precise carburettor tuning.\u003c\/span\u003e\u003c\/p\u003e","brand":"Keyster","offers":[{"title":"Default Title","offer_id":53605929550103,"sku":"FH-5006N","price":67.35,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0700\/9343\/9255\/files\/Untitled-December08_2024at21.55.32-2-2026-07-02T133610.434.png?v=1782956181","url":"https:\/\/bushidomotorcycles.nz\/products\/keyster-carburettor-fuel-adjustment-kit-honda-ns400r-nc19","provider":"Bushido Motorcycles","version":"1.0","type":"link"}