teknologi engine Blue Core yamaha Enhanced Smart Power eSP ACG starter dan ISS Fuel Injector Roller Rocker Arm Compact Combustion Chamber Offset Cyclinder Spiny Sleeves Light Weight Piston Crankshaft Breather Passage
teknologi engine Blue Core yamaha Enhanced Smart Power eSP ACG starter dan ISS Fuel Injector Roller Rocker Arm Compact Combustion Chamber Offset Cyclinder Spiny Sleeves Light Weight Piston Crankshaft Breather Passage