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Moped not running smoothly? If it has been standing still for a long time, it could be the carburetor - one of the most common sources of error. Simson mechanic Mario cleans the carburetor, replaces the seals and adjusts it correctly. Because it should definitely not run too lean! Important: never use force on the carburetor. Mario and Reiner Klemt from Suhl are the Simson specialists. They love mopeds, their workshop is on the historic Simson site. Father and son have been tinkering since they were children - they know what they're talking about! You can find more tutorials about the cult motorcycles here: https://www.mdr.de/s/simsonspezialisten To the documentary "The Simson Gang" in the ARD media library: https://www.mdr.de/s/mediatheksimsonb... #simson #simsons51 #schwalbe #tutorial #instructions #do-it-yourself #screwing #two-stroke