{"product_id":"autoparts-carburetor-for-yamaha-big-bear-350-moto-4-350-kodiak-400-direct-fit-with-intake-boot","title":"Autoparts Carburetor for Yamaha Big Bear 350, Moto-4 350 \u0026 Kodiak 400 — Direct-Fit with Intake Boot","description":"\u003cp\u003e\u003cstrong\u003eAutoparts replacement carburetor: a direct-fit, ready-to-install carb designed to restore reliable fueling for Yamaha Big Bear 350, Moto-4 350 and Kodiak 400 models within the listed years.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your ATV is running rough, idling poorly, or stalling, a worn or damaged carburetor is a common cause. This Autoparts replacement unit is engineered as a like-for-like substitute for specified Yamaha part numbers, supplied with the intake boot and small parts shown so you can replace the old carb without hunting down additional components. It aims to bring back consistent throttle response and smoother running with minimal modification.\u003c\/p\u003e\n\n\u003ch3\u003eWhich Yamaha models and years will this carburetor fit?\u003c\/h3\u003e\n\u003cp\u003eThis replacement is built to fit specific Yamaha Big Bear, Moto-4 and Kodiak model ranges. Check the years and model designations carefully before purchasing to ensure compatibility with your ATV.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBig Bear 350 — YFM350, model years 1987–1998\u003c\/li\u003e\n  \u003cli\u003eMoto-4 350 — YFM350, model years 1987–1995\u003c\/li\u003e\n  \u003cli\u003eKodiak 400 — YFM400, model years 1996–1998\u003c\/li\u003e\n  \u003cli\u003eReplaces Yamaha part numbers 3HN-13586-02 and 3HN-13586-01\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow simple is installation and what comes in the package?\u003c\/h3\u003e\n\u003cp\u003eThe carb is shipped with the intake boot and all small parts pictured so you can swap it into the intake tract without sourcing extra pieces. Basic mechanical skill and common hand tools are enough for most owners; a service manual helps for correct jetting and idle adjustments.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePackage includes: 1x carburetor, 1x intake boot, and pictured small parts\u003c\/li\u003e\n  \u003cli\u003eDirect-fit design reduces modification or fabrication\u003c\/li\u003e\n  \u003cli\u003eRecommended: fresh gasket sealant and new intake clamps during install\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat performance or reliability improvements should I expect?\u003c\/h3\u003e\n\u003cp\u003eReplacing a tired carb with this Autoparts unit should return predictable throttle response and steadier idle characteristics, especially if the original suffered corrosion, clogged jets, or warped passages. It won’t change engine power beyond restoring factory fueling, but it can eliminate hesitation and hard-start symptoms tied to carb malfunctions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCleaner, more consistent idling after correct adjustment\u003c\/li\u003e\n  \u003cli\u003eReduced stalling and hesitation under load\u003c\/li\u003e\n  \u003cli\u003eOEM-compatible jetting range for stock engines (adjustable as needed)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill I need tuning or extra parts after installation?\u003c\/h3\u003e\n\u003cp\u003eMinor adjustment is common after any carb swap—idle speed, air\/fuel mixture, and choke calibration may require fine-tuning to match altitude, fuel type, or aftermarket exhaust. Most installs use the supplied parts without further purchases, but keep spare clamps and gaskets on hand.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eExpect to set idle speed and air mixture per service manual\u003c\/li\u003e\n  \u003cli\u003eConsider fresh fuel lines and clamps if originals are aged\u003c\/li\u003e\n  \u003cli\u003eJetting changes only if engine has non-stock intake or exhaust components\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This Autoparts carburetor is intended for DIY mechanics, ATV owners, and repair shops restoring Yamaha Big Bear 350 (YFM350 1987–1998), Moto-4 350 (YFM350 1987–1995), or Kodiak 400 (YFM400 1996–1998) machines to reliable running condition. Choose this part if you need a cost-effective, direct-replacement carburetor that arrives with the intake boot and the small components required to complete a standard swap—ideal for routine overhaul or when the original carburetor shows wear, corrosion, or clogging.\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: Does this carburetor replace Yamaha part 3HN-13586-02?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. This Autoparts unit replaces Yamaha part numbers 3HN-13586-02 and 3HN-13586-01 for listed models.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How long does installation usually take?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: A basic swap typically takes 1–2 hours for someone with ATV experience; allow more time for cleaning and tuning.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Autoparts","offers":[{"title":"Default Title","offer_id":48082969231518,"sku":"B07WTZVWK1","price":51.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/autoparts-carburetor-front.jpg?v=1785820899","url":"https:\/\/northtrailauto.ca\/products\/autoparts-carburetor-for-yamaha-big-bear-350-moto-4-350-kodiak-400-direct-fit-with-intake-boot","provider":"North Trail Auto","version":"1.0","type":"link"}