Crankshaft long stroke -BGM Evolution 2 55mm stroke, 110mm conrod, Ø=90mm webs - Piaggio Maxi 2-stroke, Aprilia SR125, Gilera Runner 125FX, 180FXR, Italjet Dragster 125, 180, Piaggio SKR125, SKR150, TPH125, Skipper125, Skipper150, Hexagon 125EX, 150EX, 1