250cc Classification
| Pos | No | Driver | Manufacturer | Laps | Time/Retired | Grid | Points |
|---|---|---|---|---|---|---|---|
| 1 | 4 | Hiroshi Aoyama | KTM | 23 | 43:36.310 | 4 | 25 |
| 2 | 7 | Alex de Angelis | Aprilia | 23 | +1.341 | 3 | 20 |
| 3 | 48 | Jorge Lorenzo | Aprilia | 23 | +4.349 | 1 | 16 |
| 4 | 34 | Andrea Dovizioso | Honda | 23 | +4.530 | 2 | 13 |
| 5 | 15 | Roberto Locatelli | Aprilia | 23 | +14.864 | 7 | 11 |
| 6 | 73 | Shuhei Aoyama | Honda | 23 | +24.111 | 5 | 10 |
| 7 | 80 | Héctor Barberá | Aprilia | 23 | +41.433 | 8 | 9 |
| 8 | 86 | Ryuji Yokoe | Yamaha | 23 | +41.749 | 11 | 8 |
| 9 | 58 | Marco Simoncelli | Gilera | 23 | +41.881 | 15 | 7 |
| 10 | 87 | Ratthapark Wilairot | Honda | 23 | +42.054 | 14 | 6 |
| 11 | 14 | Anthony West | Aprilia | 23 | +43.329 | 18 | 5 |
| 12 | 54 | Manuel Poggiali | KTM | 23 | +48.247 | 16 | 4 |
| 13 | 89 | Seijin Oikawa | Yamaha | 23 | +49.242 | 17 | 3 |
| 14 | 25 | Alex Baldolini | Aprilia | 23 | +59.084 | 22 | 2 |
| 15 | 37 | Fabricio Perren | Honda | 23 | +1:00.019 | 20 | 1 |
| 16 | 28 | Dirk Heidolf | Aprilia | 23 | +1:04.360 | 21 | |
| 17 | 16 | Jules Cluzel | Aprilia | 23 | +1:06.599 | 29 | |
| 18 | 44 | Taro Sekiguchi | Aprilia | 23 | +1:22.509 | 28 | |
| 19 | 88 | Youichi Ui | Yamaha | 23 | +1:23.416 | 27 | |
| 20 | 93 | Kouki Takahashi | Honda | 23 | +1:23.474 | 26 | |
| 21 | 23 | Arturo Tizón | Honda | 23 | +1:32.896 | 23 | |
| 22 | 24 | Jordi Carchano | Aprilia | 23 | +1:33.263 | 24 | |
| 23 | 20 | Takumi Takahashi | Honda | 23 | +2:03.029 | 25 | |
| 24 | 85 | Alessio Palumbo | Aprilia | 22 | +1 Lap | 32 | |
| Ret | 96 | Jakub Smrž | Aprilia | 17 | 10 | ||
| Ret | 55 | Yuki Takahashi | Honda | 14 | Accident | 6 | |
| Ret | 50 | Sylvain Guintoli | Aprilia | 6 | Accident | 9 | |
| Ret | 22 | Luca Morelli | Aprilia | 5 | 31 | ||
| Ret | 42 | Aleix Espargaró | Honda | 3 | 19 | ||
| Ret | 8 | Andrea Ballerini | Aprilia | 1 | Accident | 12 | |
| Ret | 52 | David de Gea | Aprilia | 1 | Accident | 13 | |
| DNS | 21 | Arnaud Vincent | Honda | 30 | |||
| OFFICIAL 250cc REPORT | |||||||
Read more about this topic: 2006 Japanese Motorcycle Grand Prix