New carburettors to replace a worn one or move up to a bigger size when tuning an engine: Keihin PWK and FCR, Mikuni VM, TM, TMX and TMJ, Dell’Orto PHM and VHST.
The number after the model is the bore size in millimetres. A bigger carburettor gives more top-end power but needs new jetting (jets, needle). Choose a model made for your engine type, 2-stroke or 4-stroke.
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