| 產品參數/Item | CG250箱體（風冷） CG250 Crankcase（Air cooling) | ||
| 曲軸孔直徑 Ф | 左 Left | 72 | |
| Dia. Of crank axle hole | 右 Right | 72 | |
| 主軸孔直徑Ф | 左 Left | 35 | |
| Dia. of main axle hole | 右 Right | 55 | |
| 副軸孔直徑Ф | 左 Left | 47 | |
| Dia. of auxiliary axle hole | 右 Right | 23 | |
| 啟動軸孔直徑Ф | 左 Left | 12 | |
| Dia. of start axle hole | 右 Right | 18.1 | |
| 變速鼓孔直徑Ф | 左 Left | 20 | |
| Dia. of shift drum hole | 右 Right | 28 | |
| 變檔軸孔直徑Ф | 左 Left | 14 | |
| Dia. of shift shaft hole | 右 Right | 14 | |
| 撥叉軸孔直徑Ф | 左 Left | 12 | |
| Dia. of shift rail hole | 右 Right | 12 | |
| 缸孔直徑Ф | 左 Left | 74.5 | |
| Dia. of cylinder hole | 右 Right | 74.5 | |
| 發動機冷卻方式 Engine cooling way | 風冷/Air-cooled | ||
| 油冷/Oil-cooled | |||
| 適用產品 Applied products | 摩托車 Motorcycles | ||
| 發動機排量 Engine displacement | 146cc | ||
