Too much Berryman's B-12???

Contains 100% high-energy solvent technology Quickly dissolves gum, varnish, fuel residue, and carbon build-up Cleans carburetors, linkages, choke,

Berryman 0117C B-12 Chemtool Carburetor, Choke & Throttle Body Cleaner [VOC Compliant in All 50 States]

Best Carburetor Cleaner - Jen Reviews

Berryman B-12 Chemtool Carburetor and Fuel System France

B-12 FUEL TREATMENT 15OZ, 44% OFF

Berryman® B-12 Chemtool® Carburetor, Fuel System and Injector Cleaner

Product Reviews - Joey's Garage

B-12 FUEL TREATMENT 15OZ, 44% OFF

Kreen recommended, why not Chemtool B12?, Page 3

B-12 Chemtool Carburetor Cleaner

Berryman Products B-12 Chemtool Total Combustion System Cleaning

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Berrysmans B-12 vs Seafoam - 10 Day Test on Set of Valves - Does

B12 chemtool fixed bad idle?