/ modifyinggarage  
HONDA C50 148cc GLX50 59mm z50 monkey 124cc MODIFYING GARAGE SUPERMOTO SIFNEOS PAROS TAKEGAWA.GR
China engine 50cc upgrade kit 138cc MODIFYING GARAGE SUPERMOTO SIFNEOS SERVICE & SALES PAROS GREECE "SIFNEOS TAKEGAWA" .......138cc racing Crankshaft
Bore Diameter: 57mm Stroke Amount: 54mm ..handmade camshaft