{"product_id":"berryman-carburetor-choke-throttle-body-cleaner-20-oz-spray-non-chlorinated-fast-drying","title":"Berryman Carburetor, Choke \u0026 Throttle Body Cleaner — 20 oz Spray, Non-Chlorinated Fast-Drying","description":"\u003cp\u003e\u003cstrong\u003eBerryman B-12 Carburetor, Choke and Throttle Body Cleaner is a fast-drying aerosol that dissolves gum, varnish, sludge, and carbon from carburetors, chokes, and throttle bodies to restore airflow and smoother engine response.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhether you’re troubleshooting rough idling or doing routine maintenance, this 20 oz spray from Berryman offers a non-chlorinated formula designed to cut heavy deposits without harming oxygen sensors or catalytic converters. Manufactured in the USA and used by professionals and DIY mechanics, the B-12 cleaner works quickly so you can see results without lengthy disassembly or waiting periods.\u003c\/p\u003e\n\n\u003ch3\u003eHow does Berryman B-12 remove stubborn deposits?\u003c\/h3\u003e\n\u003cp\u003eThe formula combines strong solvents that penetrate and dissolve varnish, gum, and carbon buildup commonly found in carburetors and throttle bodies. It loosens sticky residues so they can be blown or wiped away, reducing airflow restrictions and improving part movement.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRapid solvent action breaks down varnish and gum.\u003c\/li\u003e\n  \u003cli\u003eSpray-and-go application for in-place cleaning.\u003c\/li\u003e\n  \u003cli\u003eFast-evaporating, leaves no sticky residue.\u003c\/li\u003e\n  \u003cli\u003eNon-chlorinated to be safer for modern engine components.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan I use it without removing parts from the engine?\u003c\/h3\u003e\n\u003cp\u003eYes — Berryman B-12 is formulated for effective in-situ cleaning so you can address choke plates, throttle bores, and exposed carburetor components without full disassembly. Use targeted sprays while following safety precautions and the vehicle maker’s service guidance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect spray access for exposed throttle bodies and carburetor openings.\u003c\/li\u003e\n  \u003cli\u003eReduces downtime compared with complete teardown cleaning.\u003c\/li\u003e\n  \u003cli\u003eWorks on both carbureted and some port-injected systems where access is safe.\u003c\/li\u003e\n  \u003cli\u003eAllow parts to dry before restarting engine to avoid run-on or flame risk.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this cleaner harm sensors or the catalytic converter?\u003c\/h3\u003e\n\u003cp\u003eBerryman B-12 uses a non-chlorinated solvent blend intended to be safe for oxygen sensors and catalytic converters when used as directed. Avoid saturating downstream components and follow manufacturer recommendations to minimize exposure of sensitive parts.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNon-chlorinated formula reduces risk to catalytic systems.\u003c\/li\u003e\n  \u003cli\u003eDesigned to evaporate quickly with minimal residues.\u003c\/li\u003e\n  \u003cli\u003eAvoid excessive overspray toward sensor housings or exhaust inlets.\u003c\/li\u003e\n  \u003cli\u003eFollow vehicle-specific cautions for sensor-proximate cleaning.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow will cleaning with B-12 affect drivability?\u003c\/h3\u003e\n\u003cp\u003eRemoving accumulated deposits helps restore consistent airflow and cleaner throttle operation, which often translates to smoother idle, reduced stalling or hesitation, and improved throttle response. Effects vary by vehicle age and severity of deposits, but many users notice immediate improvement after cleaning and a brief run-in period.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCan reduce rough idling and uneven throttle response.\u003c\/li\u003e\n  \u003cli\u003eHelps eliminate hesitation during acceleration caused by restricted passages.\u003c\/li\u003e\n  \u003cli\u003eMay improve cold starts by clearing choke components.\u003c\/li\u003e\n  \u003cli\u003eShort drying time means quicker testing and reassembly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Berryman B-12 is aimed at automotive technicians, restoration hobbyists, and DIY car owners who need a dependable aerosol cleaner for carburetor, choke, and throttle body maintenance. It's particularly useful when deposits are causing drivability issues but a full rebuild isn’t yet required. Always use with proper ventilation, protective gear, and follow vehicle manufacturer safety and service instructions.\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: Is Berryman B-12 safe for modern fuel-injected engines?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It’s suitable for throttle bodies and external parts of fuel-injected systems; avoid internal fuel-system use and follow vehicle guidance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How long before I can restart the engine after using B-12?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Allow surfaces to fully evaporate and ventilate, typically a few minutes; ensure no pooling solvent remains before starting.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Berryman","offers":[{"title":"Default Title","offer_id":48084420264094,"sku":"B0002KKIE6","price":30.16,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/beryman-b12-front-packaging.jpg?v=1785854748","url":"https:\/\/northtrailauto.ca\/products\/berryman-carburetor-choke-throttle-body-cleaner-20-oz-spray-non-chlorinated-fast-drying","provider":"North Trail Auto","version":"1.0","type":"link"}