¡ÚÁ¦Ç°Á¤º¸-21 Turbo Rear Exhaust Engine CNC Head, W/O Pull Starter
-SG shaft, 5 Ports +2
-Stroke 17 mm-Bore 16.15 mm-Practical RPM: 6500 - 45000-Horse Power 3.35 PS-Ventury intercambiable 7 mm