{"product_id":"olifant-carburetor-for-yamaha-atv-direct-fit-replacement-for-big-bear-grizzly-bruin-33mm-intake-49mm-airbox","title":"OLIFANT Carburetor for Yamaha ATV — Direct-Fit Replacement for Big Bear\/Grizzly\/Bruin (33mm Intake, 49mm Airbox)","description":"\u003cp\u003e\u003cstrong\u003eOLIFANT replacement carburetor engineered to restore fuel delivery and throttle response for select Yamaha ATVs from 2000–2014.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis high-compatibility carburetor is a direct-fit aftermarket replacement for many Yamaha models including Big Bear, Grizzly, Kodiak, Wolverine and Bruin series. It reproduces the key mounting and bore dimensions of the original equipment, helping you get back on the trail without extensive modification. The unit is built to match several OEM part numbers and includes intake and airbox diameter specs so you can confirm fitment before ordering.\u003c\/p\u003e\n\n\u003ch3\u003eWhich Yamaha models and years will this carburetor fit?\u003c\/h3\u003e\n\u003cp\u003eThis OLIFANT carburetor covers a broad range of Yamaha ATVs across multiple model families and years. It replaces OEM numbers commonly associated with Big Bear, Grizzly, Kodiak, Bruin and Wolverine models, making it suitable for owners of older machines where the original carburetor has worn or failed.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBig Bear 400 (YFM400) — 2000–2012\u003c\/li\u003e\n  \u003cli\u003eBig Bear\/250 (YFM250B) — 2007–2009; Bruin 250 (YFM250) — 2005–2006\u003c\/li\u003e\n  \u003cli\u003eGrizzly 350\/400\/450 series — covers many 2007–2014 year ranges\u003c\/li\u003e\n  \u003cli\u003eKodiak 400\/450 and Wolverine 350\/450 variants — common mid-2000s models\u003c\/li\u003e\n  \u003cli\u003eMatches multiple OE part numbers (see product listing for full reference)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the exact dimensions and why do they matter?\u003c\/h3\u003e\n\u003cp\u003eKnowing the intake and airbox diameters ensures the replacement carburetor will mate correctly to both the intake manifold and the air filter housing. Proper diameter alignment avoids airflow leaks and simplifies installation so you don’t need extra adapters or machining.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIntake side inner diameter: 33 mm — fits the manifold inlet specified for these models\u003c\/li\u003e\n  \u003cli\u003eIntake side outer diameter: 38 mm — for clamp seating and seal fit\u003c\/li\u003e\n  \u003cli\u003eAir filter side inner diameter: 49 mm — matches standard airbox opening dimensions\u003c\/li\u003e\n  \u003cli\u003eAir filter side outer diameter: 52 mm — gives clamp clearance and secure mounting\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does installation and compatibility check work?\u003c\/h3\u003e\n\u003cp\u003eInstallation typically follows the same steps as the original carburetor: remove the old unit, compare mounting points and bore sizes, transfer any usable linkages or sensors, and secure the new carb. Verifying the listed OE numbers and the diameter specs before purchase reduces the chance of incompatibility.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompare this unit’s dimensions to the existing carb and airbox openings\u003c\/li\u003e\n  \u003cli\u003eCross-check OEM numbers in the product listing with your parts manual\u003c\/li\u003e\n  \u003cli\u003eTransfer throttle cables, choke lever, and any brackets from the original when possible\u003c\/li\u003e\n  \u003cli\u003eUse new clamps and gaskets for a leak-free seal during installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat performance or maintenance benefits can I expect?\u003c\/h3\u003e\n\u003cp\u003eReplacing a worn or clogged carburetor restores consistent fuel metering and throttle response, which can improve rideability and reduce stalling or poor idling. While not a performance upgrade over a properly working OEM carb, a fresh unit removes variables caused by age, varnish, or corrosion.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRestores predictable idling and throttle transition\u003c\/li\u003e\n  \u003cli\u003eReduces hesitation caused by clogged jets or passages\u003c\/li\u003e\n  \u003cli\u003eHelps maintain fuel economy and throttle control on varied terrain\u003c\/li\u003e\n  \u003cli\u003eSimplifies future tune-ups by starting from a clean, serviceable baseline\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This OLIFANT carburetor is intended for owners and mechanics of Yamaha ATVs from the early 2000s to mid-2010s who need a direct-replacement unit that matches common OEM references and bore sizes. It's ideal if your machine shows symptoms of fuel delivery issues, if the original part is damaged, or if you prefer replacing an aging carburetor with a ready-to-install aftermarket unit. Always confirm model year and OEM cross-reference numbers before purchase to ensure correct fitment.\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 fit my Yamaha Big Bear 400 2005?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the OLIFANT unit fits Big Bear 400 models from 2000 to 2012; confirm your OEM part number or intake diameters to be certain.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are clamps and gaskets included for installation?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Standard packaging usually does not include new clamps or gaskets, so we recommend having them on hand for a secure installation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"OLIFANT","offers":[{"title":"Default Title","offer_id":48084123058334,"sku":"B0DPX1M5VM","price":73.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/olifant-carburetor-front-view_8a089261-b8c8-43c0-9855-a36a13f0cbfc.jpg?v=1785846878","url":"https:\/\/northtrailauto.ca\/products\/olifant-carburetor-for-yamaha-atv-direct-fit-replacement-for-big-bear-grizzly-bruin-33mm-intake-49mm-airbox","provider":"North Trail Auto","version":"1.0","type":"link"}