50/60cc motor do "trotinette" GY6---Actualizado ao cilindro 72cc/80cc/jogos furados
Modelo do motor do "trotinette": 1P39QMB---49.6cc (BorexStroke: 39x41.5 milímetro)
------Actualizado a 72.0cc (BorexStroke: 47x41.5 milímetro)---1P47QMD
------Actualizado a 81.5cc (BorexStroke: 50x41.5 milímetro)---1P50QMG
China