{"title":"Rotax Max Airbox Parts","description":"","products":[{"product_id":"rotax-125-max-intake-silencer-case-bottom","title":"(1) 225015 Rotax 125 MAX EVO Intake Silencer Case Bottom","description":"\u003cp\u003eThe \u003cstrong\u003eRotax 125 MAX EVO Intake Silencer Case Bottom\u003c\/strong\u003e is the lower housing of the OEM Rotax airbox assembly, forming the structural foundation of the intake silencer system on all 125 MAX EVO engines. This molded plastic airbox bottom cradles the filter element holders and mates with the top cover to create the sealed intake housing that feeds clean, filtered air to the Dell'Orto VHSB 34 XS carburetor. \u003c\/p\u003e\n\u003cp\u003eThis is a direct OEM replacement for the Rotax 125 MAX EVO airbox bottom and is compatible with all current EVO-spec variants: \u003cstrong\u003eSenior MAX EVO, Junior MAX EVO, Mini MAX EVO, and Micro MAX EVO\u003c\/strong\u003e. It mounts to the chassis via the airbox support bracket (R.251719 or R.251720) and pairs with the Intake Silencer Case Top (R.225025), Intake Silencer Tube (R.225041), filter element holders (R.225061), and foam filter element (R.225053) to complete the full airbox assembly.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Rotax 125 Senior MAX EVO, Junior MAX EVO, Mini MAX EVO, Micro MAX EVO\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhether you're rebuilding after a crash or replacing a cracked housing, CMC Karting stocks genuine Rotax OEM airbox parts to keep your 125 MAX EVO on track. Order the full set of airbox components in one shot and we'll have you back out there fast.\u003c\/p\u003e","brand":"KSG\/Karting Solutions Group","offers":[{"title":"Default Title","offer_id":47910365724893,"sku":"R.225015","price":36.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0731\/6770\/0189\/files\/CMC_Rotax_1_Airbox.png?v=1779732962"},{"product_id":"rotax-125-max-intake-silencer-tube","title":"(2) 225041 Rotax 125 MAX EVO Intake Silencer Tube","description":"\u003cp\u003eThe \u003cstrong\u003eRotax 125 MAX EVO Intake Silencer Tube\u003c\/strong\u003e (R.225041) is the OEM rubber intake boot that connects the airbox assembly to the carburetor flange on Rotax 125 MAX EVO engines. This flexible silencer tube channels incoming air from the airbox into the Dell'Orto VHSB 34 XS carburetor and is a critical sealing component — a cracked or loose tube allows unfiltered air into the engine and will negatively affect jetting and power output.\u003c\/p\u003e\n\u003cp\u003eCompatible with all Rotax 125 MAX EVO variants: \u003cstrong\u003eSenior MAX EVO, Junior MAX EVO, Mini MAX EVO, and Micro MAX EVO\u003c\/strong\u003e. The tube fits between the Intake Silencer Case Bottom (R.225015) and the carburetor, working in conjunction with the Carburetor Socket rubber boot (R.225031). Clamp with Clamp 50-70 (R.951791) for a secure, airtight seal.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Rotax 125 Senior MAX EVO, Junior MAX EVO, Mini MAX EVO, Micro MAX EVO\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eInspect your intake silencer tube at every rebuild or after any impact near the airbox. A tight-fitting, crack-free tube is essential for consistent air-fuel ratio and engine performance. CMC Karting carries the full range of Rotax 125 MAX EVO airbox parts so you can replace everything at once.\u003c\/p\u003e","brand":"KSG\/Karting Solutions Group","offers":[{"title":"Default Title","offer_id":47910365790429,"sku":"R.225041","price":45.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0731\/6770\/0189\/files\/CMC_Rotax_2_Airbox.png?v=1779732962"},{"product_id":"rotax-125-max-holder-for-filter-element","title":"(3) 225061 Rotax 125 MAX EVO Holder for Filter Element","description":"\u003cp\u003eThe \u003cstrong\u003eRotax 125 MAX EVO Holder for Filter Element\u003c\/strong\u003e (R.225061) is the OEM plastic filter cage that retains the foam filter element inside the airbox assembly. Two holders are used per airbox — one above and one below the filter foam — sandwiching the element (R.225053) securely within the Intake Silencer Case to prevent movement and ensure consistent airflow through the filter media.\u003c\/p\u003e\n\u003cp\u003eThis holder is compatible with all Rotax 125 MAX EVO variants: \u003cstrong\u003eSenior MAX EVO, Junior MAX EVO, Mini MAX EVO, and Micro MAX EVO\u003c\/strong\u003e. Each airbox requires \u003cstrong\u003e2 holders\u003c\/strong\u003e. They work directly with the Filter Element (R.225053) inside the Intake Silencer Case Bottom (R.225015) and Top (R.225025).\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity per Airbox:\u003c\/strong\u003e 2 required (sold individually)\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen replacing your Rotax airbox filter foam, always inspect the filter holders for cracks or warping. A damaged holder won't seat the filter element properly, allowing unfiltered air to bypass the foam. CMC Karting stocks the complete Rotax 125 MAX airbox parts line for fast, convenient ordering.\u003c\/p\u003e","brand":"KSG\/Karting Solutions Group","offers":[{"title":"Default Title","offer_id":47910365987037,"sku":"R.225061","price":13.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0731\/6770\/0189\/files\/CMC_Rotax_3_Airbox.png?v=1779732961"},{"product_id":"rotax-125-max-airbox-filter-element","title":"(4) 225053 Rotax 125 MAX EVO Airbox Filter Foam Element","description":"\u003cp\u003eThe \u003cstrong\u003eRotax 125 MAX EVO Airbox Filter Element\u003c\/strong\u003e (R.225053) is the OEM foam air filter that sits inside the Rotax airbox assembly, filtering incoming air before it reaches the Dell'Orto VHSB 34 XS carburetor. Keeping a clean, intact filter element is one of the most straightforward ways to protect your Rotax 125 MAX EVO engine — a clogged or torn filter affects jetting, reduces power, and can allow debris into the intake.\u003c\/p\u003e\n\u003cp\u003eThis filter element is compatible with all Rotax 125 MAX EVO variants: \u003cstrong\u003eSenior MAX EVO, Junior MAX EVO, Mini MAX EVO, and Micro MAX EVO\u003c\/strong\u003e. It fits inside the Intake Silencer Case, retained by two Filter Element Holders (R.225061). Replace at regular service intervals or any time the foam shows tears, heavy contamination, or deterioration.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Rotax 125 Senior MAX EVO, Junior MAX EVO, Mini MAX EVO, Micro MAX EVO\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eStock a spare filter element in your race day kit — swapping to a fresh filter takes minutes and ensures your engine is always breathing clean air. CMC Karting carries the full range of Rotax 125 MAX airbox consumables and OEM spare parts.\u003c\/p\u003e","brand":"KSG\/Karting Solutions Group","offers":[{"title":"Default Title","offer_id":47910366019805,"sku":"R.225053","price":22.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0731\/6770\/0189\/files\/CMC_Rotax_4_Airbox.png?v=1779732962"},{"product_id":"rotax-125-max-intake-silencer-case-top","title":"(5) 225025 Rotax 125 MAX EVO Intake Silencer Case Top","description":"\u003cp\u003eThe \u003cstrong\u003eRotax 125 MAX EVO Intake Silencer Case Top\u003c\/strong\u003e (R.225025) is the OEM upper housing of the Rotax airbox assembly. It mates with the Intake Silencer Case Bottom (R.225015) to form the sealed airbox enclosure that houses the foam filter element and directs filtered air into the intake system of the Rotax 125 MAX EVO engine.\u003c\/p\u003e\n\u003cp\u003eCompatible with all Rotax 125 MAX EVO variants: \u003cstrong\u003eSenior MAX EVO, Junior MAX EVO, Mini MAX EVO, and Micro MAX EVO\u003c\/strong\u003e. The top case snaps or clips onto the bottom housing and is secured to the chassis through the airbox support bracket system. Replace any time the housing is cracked, warped, or damaged from a collision — a poorly sealed airbox top compromises filtration and can introduce unmetered air into the intake.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Rotax 125 Senior MAX EVO, Junior MAX EVO, Mini MAX EVO, Micro MAX EVO\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe intake silencer case top is a common replacement item after track-day incidents. CMC Karting stocks it alongside the full Rotax 125 MAX airbox parts family — order the bottom case, tube, filter holders, and filter foam together and have a complete spare airbox assembly ready to go.\u003c\/p\u003e","brand":"KSG\/Karting Solutions Group","offers":[{"title":"Default Title","offer_id":47910366085341,"sku":"R.225025","price":58.11,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0731\/6770\/0189\/files\/CMC_Rotax_5_Airbox.png?v=1779732962"},{"product_id":"rotax-125-max-carburetor-socket","title":"(6) 225031 Rotax 125 MAX EVO Carburetor Socket","description":"\u003cp\u003eThe \u003cstrong\u003eRotax 125 MAX EVO Carburetor Socket\u003c\/strong\u003e (R.225031) is the OEM rubber intake boot that connects the Rotax airbox assembly directly to the Dell'Orto VHSB 34 XS carburetor. This flexible rubber socket — often called the airbox carb boot or carburetor socket — forms a critical airtight seal between the airbox and carb inlet, preventing any unfiltered air from entering the intake tract and skewing the air-fuel mixture.\u003c\/p\u003e\n\u003cp\u003eCompatible with all Rotax 125 MAX EVO variants: \u003cstrong\u003eSenior MAX EVO, Junior MAX EVO, Mini MAX EVO, and Micro MAX EVO\u003c\/strong\u003e. The carburetor socket fits onto the carb flange and into the Intake Silencer Tube (R.225041), with the Clamp 50-70 (R.951791) securing it on the airbox side. Inspect at every service — rubber boots harden and crack over time, especially with repeated heat cycling.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Rotax 125 Senior MAX EVO, Junior MAX EVO, Mini MAX EVO, Micro MAX EVO\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA cracked or loose carburetor socket is one of the most common sources of air leaks on a Rotax 125 MAX EVO. CMC Karting stocks this part alongside the full airbox assembly components so you can replace everything together at rebuild time.\u003c\/p\u003e","brand":"KSG\/Karting Solutions Group","offers":[{"title":"Default Title","offer_id":47910366183645,"sku":"R.225031","price":25.41,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0731\/6770\/0189\/files\/CMC_Rotax_6_Airbox.png?v=1779732962"},{"product_id":"rotax-125-max-sheet-nut-m6","title":"(7) 242141 Rotax 125 MAX EVO M6 Sheet Nut","description":"\u003cp\u003eThe \u003cstrong\u003eRotax 125 MAX EVO Sheet Nut M6\u003c\/strong\u003e (R.242141) is the OEM blind nut — also known as a sheet nut or cage nut — used in the Rotax 125 MAX EVO airbox assembly mounting system. This M6 sheet nut installs into the airbox support structure and provides a secure threaded anchor point for the M6 bolts that retain the airbox and its bracket to the chassis.\u003c\/p\u003e\n\u003cp\u003eCompatible with all Rotax 125 MAX EVO variants and also appears in multiple other locations throughout the engine assembly. Replace any time a nut is stripped, corroded, or damaged. Used in conjunction with the Allen Screw M6x20 (R.241935) and Washer 6.4mm (R.244211).\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Rotax 125 Senior MAX EVO, Junior MAX EVO, Mini MAX EVO, Micro MAX EVO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity per Airbox Assembly:\u003c\/strong\u003e 4 required (sold individually)\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCMC Karting stocks genuine Rotax OEM hardware so you always have the right fastener for reassembly. Order alongside the full airbox bracket kit for a complete, hassle-free rebuild.\u003c\/p\u003e","brand":"KSG\/Karting Solutions Group","offers":[{"title":"Default Title","offer_id":47910366413021,"sku":"R.242141","price":3.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0731\/6770\/0189\/files\/CMC_Rotax_7_Airbox.png?v=1779732962"},{"product_id":"rotax-125-max-airbox-support-bracket-251719","title":"(8) 251719 Rotax 125 MAX EVO Airbox Support Bracket – Dellorto \u0026 Mikuni Fuel Pump","description":"\u003cp\u003eThe \u003cstrong\u003eRotax 125 MAX EVO Airbox Support Bracket\u003c\/strong\u003e (R.251719) is the OEM steel mounting bracket that secures the Rotax airbox assembly to the engine and chassis. This is the version compatible with engines fitted with both the \u003cstrong\u003eDellorto and Mikuni fuel pump\u003c\/strong\u003e configurations — verify your engine's fuel pump type before ordering, as two bracket variants exist (R.251719 and R.251720).\u003c\/p\u003e\n\u003cp\u003eThe airbox support bracket mounts the Intake Silencer Case Bottom (R.225015) and full airbox assembly in the correct position relative to the carburetor. It is used across all Rotax 125 MAX EVO variants — \u003cstrong\u003eSenior MAX EVO, Junior MAX EVO, Mini MAX EVO, and Micro MAX EVO.\u003c\/strong\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Rotax 125 Senior MAX EVO, Junior MAX EVO, Mini MAX EVO, Micro MAX EVO\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIf you're unsure which support bracket variant your engine requires, check the fuel pump fitted to your engine — Dellorto\/Mikuni use R.251719; Mikuni-only builds may use R.251720. CMC Karting carries both variants and the full Rotax airbox hardware line.\u003c\/p\u003e","brand":"KSG\/Karting Solutions Group","offers":[{"title":"Default Title","offer_id":47910366609629,"sku":"R.251719","price":26.57,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0731\/6770\/0189\/files\/CMC_Rotax_8_Airbox.png?v=1779732961"},{"product_id":"rotax-125-max-washer-6-4mm","title":"(9) 244211 Rotax 125 MAX EVO Washer 6.4mm","description":"\u003cp\u003eThe \u003cstrong\u003eRotax 125 MAX EVO Washer 6.4mm\u003c\/strong\u003e (R.244211) is the OEM DIN 134 washer used throughout the Rotax 125 MAX EVO engine assembly, including as part of the airbox mounting hardware. Four washers are required per airbox assembly, used in conjunction with the Allen Screw M6x20 (R.241935) and Sheet Nut M6 (R.242141) to secure the airbox and its bracket.\u003c\/p\u003e\n\u003cp\u003eStock a few of these in your toolbox — this washer is used in multiple locations across the Rotax 125 MAX EVO engine and is an inexpensive part to have on hand. CMC Karting carries the full Rotax OEM hardware line.\u003c\/p\u003e","brand":"KSG\/Karting Solutions Group","offers":[{"title":"Default Title","offer_id":47910366904541,"sku":"R.244211","price":0.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0731\/6770\/0189\/files\/CMC_Rotax_9_Airbox.png?v=1779732962"},{"product_id":"rotax-125-max-allen-screw-m6x20","title":"(10) 241935 Rotax 125 MAX EVO Allen Screw M6x20","description":"\u003cp\u003eThe \u003cstrong\u003eRotax 125 MAX EVO Allen Screw M6x20\u003c\/strong\u003e (R.241935) is the OEM ISO 4762 Grade 8.8 socket head cap screw used throughout the Rotax 125 MAX EVO engine assembly, including as the primary fastener for the airbox bracket mounting. Four screws are required per airbox assembly, torqued to 6–8 Nm as specified in the Rotax service documentation.\u003c\/p\u003e\n\u003cp\u003eThis M6x20 allen bolt appears in numerous chapters of the Rotax 125 MAX EVO parts catalog, making it one of the most commonly needed OEM fasteners in the entire engine. Compatible with all Rotax 125 MAX EVO variants: \u003cstrong\u003eSenior MAX EVO, Junior MAX EVO, Mini MAX EVO, and Micro MAX EVO\u003c\/strong\u003e. Used with the Washer 6.4mm (R.244211) and Sheet Nut M6 (R.242141) to secure the airbox assembly.\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity per Airbox Assembly:\u003c\/strong\u003e 4 required (sold individually)\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eKeep a supply of these on hand — the R.241935 is one of the most widely used fasteners in the Rotax 125 MAX EVO and appears across intake, ignition, E-RAVE, and other subassemblies. CMC Karting stocks the full range of Rotax OEM hardware.\u003c\/p\u003e","brand":"KSG\/Karting Solutions Group","offers":[{"title":"Default Title","offer_id":47910367002845,"sku":"R.241935","price":0.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0731\/6770\/0189\/files\/CMC_Rotax_10_Airbox.png?v=1779732962"},{"product_id":"rotax-125-max-hose-clamp-50-70","title":"(11) 951791 Rotax 125 MAX EVO Hose Clamp 50-70mm","description":"\u003cp\u003eThe \u003cstrong\u003eRotax 125 MAX EVO Hose Clamp 50-70\u003c\/strong\u003e (R.951791) is the OEM worm-drive hose clamp used to secure the Intake Silencer Tube (R.225041) and Carburetor Socket (R.225031) in the Rotax airbox assembly. This clamp provides the clamping force needed to maintain an airtight seal between the airbox tube and adjacent components, preventing air leaks that would compromise the air-fuel ratio and engine performance.\u003c\/p\u003e\n\u003cp\u003eThe 50-70mm clamping range accommodates the intake silencer tube diameter on all Rotax 125 MAX EVO variants: \u003cstrong\u003eSenior MAX EVO, Junior MAX EVO, Mini MAX EVO, and Micro MAX EVO\u003c\/strong\u003e. Inspect at every rebuild and replace if the worm screw is stripped or the band is corroded.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eClamp Range:\u003c\/strong\u003e 50–70mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Rotax 125 Senior MAX EVO, Junior MAX EVO, Mini MAX EVO, Micro MAX EVO\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA loose or damaged airbox clamp is an easy-to-miss source of air leaks. CMC Karting stocks this OEM clamp alongside the complete Rotax 125 MAX airbox parts family — add it to your order when replacing the silencer tube or carb boot for a full, fresh assembly.\u003c\/p\u003e","brand":"KSG\/Karting Solutions Group","offers":[{"title":"Default Title","offer_id":47910367035613,"sku":"R.951791","price":9.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0731\/6770\/0189\/files\/CMC_Rotax_11_Airbox.png?v=1779732961"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0731\/6770\/0189\/collections\/CMC_Rotax_Airbox_Diagram.png?v=1778603880","url":"https:\/\/cmckarting.com\/collections\/rotax-max-airbox-parts.oembed","provider":"CMC Karting","version":"1.0","type":"link"}