# Grand Prix-wegrace van Japan 2005

De Grand Prix-wegrace van Japan 2005 was de twaalfde race van het wereldkampioenschap wegrace-seizoen 2005. De race werd verreden op 18 september 2005 op de Twin Ring Motegi nabij Motegi, Japan.

## Uitslag
### MotoGP

| Pos | Nr | Rijder | Constructeur | Rondes | Tijd | Grid | Punten |
| 1 | 65 | Loris Capirossi | Ducati | 24 | 43:30.499 | 1 | 25 |
| 2 | 3 | Max Biaggi | Honda | 24 | +1.479 | 5 | 20 |
| 3 | 6 | Makoto Tamada | Honda | 24 | +16.227 | 4 | 16 |
| 4 | 7 | Carlos Checa | Ducati | 24 | +22.148 | 9 | 13 |
| 5 | 21 | John Hopkins | Suzuki | 24 | +33.212 | 2 | 11 |
| 6 | 5 | Colin Edwards | Yamaha | 24 | +34.915 | 13 | 10 |
| 7 | 69 | Nicky Hayden | Honda | 24 | +45.894 | 6 | 9 |
| 8 | 10 | Kenny Roberts jr. | Suzuki | 24 | +56.498 | 8 | 8 |
| 9 | 24 | Toni Elías | Yamaha | 24 | +1:12.037 | 17 | 7 |
| 10 | 11 | Rubén Xaus | Yamaha | 24 | +1:34.927 | 19 | 6 |
| 11 | 27 | Franco Battaini | Blata | 23 | +1 ronde | 20 | 5 |
| DNF | 33 | Marco Melandri | Honda | 12 | Ongeluk | 3 | |
| DNF | 46 | Valentino Rossi | Yamaha | 12 | Ongeluk | 11 | |
| DNF | 4 | Alex Barros | Honda | 12 | Ongeluk | 10 | |
| DNF | 15 | Sete Gibernau | Honda | 11 | Ongeluk | 7 | |
| DNF | 56 | Shinya Nakano | Kawasaki | 8 | Uitgevallen | 14 | |
| DNF | 72 | Tohru Ukawa | Honda | 4 | Uitgevallen | 15 | |
| DNF | 44 | Roberto Rolfo | Ducati | 2 | Ongeluk | 16 | |
| DNF | 66 | Alex Hofmann | Kawasaki | 2 | Ongeluk | 12 | |
| DNF | 45 | Naoki Matsudo | Moriwaki | 0 | Uitgevallen | 18 | |

### 250 cc

| Pos | Nr | Rijder | Constructeur | Rondes | Tijd | Grid | Punten |
| 1 | 73 | Hiroshi Aoyama | Honda | 23 | 43:52.454 | 1 | 25 |
| 2 | 1 | Dani Pedrosa | Honda | 23 | +5.313 | 7 | 20 |
| 3 | 27 | Casey Stoner | Aprilia | 23 | +7.781 | 9 | 16 |
| 4 | 55 | Yuki Takahashi | Honda | 23 | +10.222 | 6 | 13 |
| 5 | 7 | Randy de Puniet | Aprilia | 23 | +10.763 | 8 | 11 |
| 6 | 34 | Andrea Dovizioso | Honda | 23 | +11.054 | 5 | 10 |
| 7 | 5 | Alex de Angelis | Aprilia | 23 | +19.199 | 4 | 9 |
| 8 | 80 | Héctor Barberá | Honda | 23 | +24.665 | 13 | 8 |
| 9 | 6 | Alex Debón | Honda | 23 | +37.683 | 16 | 7 |
| 10 | 50 | Sylvain Guintoli | Aprilia | 23 | +38.122 | 11 | 6 |
| 11 | 24 | Simone Corsi | Aprilia | 23 | +38.194 | 24 | 5 |
| 12 | 17 | Steve Jenkner | Aprilia | 23 | +53.211 | 15 | 4 |
| 13 | 32 | Mirko Giansanti | Aprilia | 23 | +56.364 | 21 | 3 |
| 14 | 25 | Alex Baldolini | Aprilia | 23 | +1:08.640 | 27 | 2 |
| 15 | 64 | Radomil Rous | Honda | 23 | +1:09.205 | 22 | 1 |
| 16 | 93 | Kouki Takahashi | Honda | 23 | +1:17.982 | 28 | |
| 17 | 36 | Martín Cárdenas | Aprilia | 23 | +1:25.096 | 29 | |
| 18 | 28 | Dirk Heidolf | Honda | 23 | +1:26.088 | 20 | |
| 19 | 77 | Mamoru Akiya | Yamaha | 23 | +1:33.286 | 30 | |
| 20 | 79 | Masaki Tokudome | Yamaha | 23 | +1:35.598 | 25 | |
| 21 | 56 | Mathieu Gines | Aprilia | 23 | +1:37.552 | 32 | |
| DNF | 48 | Jorge Lorenzo | Honda | 22 | Botsing | 2 | |
| DNF | 44 | Taro Sekiguchi | Aprilia | 21 | Uitgevallen | 12 | |
| DNF | 19 | Sebastián Porto | Aprilia | 10 | Ongeluk | 10 | |
| DNF | 8 | Andrea Ballerini | Aprilia | 10 | Uitgevallen | 26 | |
| DNF | 57 | Chaz Davies | Aprilia | 5 | Ongeluk | 23 | |
| DNF | 75 | Shuhei Aoyama | Honda | 2 | Ongeluk | 3 | |
| DNF | 14 | Anthony West | KTM | 2 | Ongeluk | 14 | |
| DNF | 15 | Roberto Locatelli | Aprilia | 0 | Botsing | 17 | |
| DNF | 21 | Arnaud Vincent | Fantic | 0 | Botsing | 31 | |
| DNF | 78 | Ryuji Yokoe | Yamaha | 0 | Botsing | 18 | |
| DNF | 96 | Jakub Smrž | Honda | 0 | Botsing | 19 | |

### 125 cc

Na vijftien ronden werd de race gestopt door een ongeluk waarbij Thomas Lüthi en Sergio Gadea betrokken waren.
| Pos | Nr | Rijder | Constructeur | Rondes | Tijd | Grid | Punten |
| 1 | 36 | Mika Kallio | KTM | 15 | 30:10.854 | 5 | 25 |
| 2 | 12 | Thomas Lüthi | Honda | 15 | +0.111 | 7 | 20 |
| 3 | 55 | Héctor Faubel | Aprilia | 15 | +1.517 | 6 | 16 |
| 4 | 71 | Tomoyoshi Koyama | Honda | 15 | +2.349 | 2 | 13 |
| 5 | 75 | Mattia Pasini | Aprilia | 15 | +2.406 | 3 | 11 |
| 6 | 54 | Manuel Poggiali | Gilera | 15 | +2.619 | 8 | 10 |
| 7 | 33 | Sergio Gadea | Aprilia | 15 | +2.761 | 10 | 9 |
| 8 | 22 | Pablo Nieto | Derbi | 15 | +2.961 | 13 | 8 |
| 9 | 19 | Álvaro Bautista | Honda | 15 | +3.720 | 9 | 7 |
| 10 | 32 | Fabrizio Lai | Honda | 15 | +9.936 | 14 | 6 |
| 11 | 63 | Mike Di Meglio | Honda | 15 | +14.546 | 12 | 5 |
| 12 | 41 | Aleix Espargaró | Honda | 15 | +14.693 | 24 | 4 |
| 13 | 29 | Andrea Iannone | Aprilia | 15 | +15.699 | 19 | 3 |
| 14 | 9 | Toshihisa Kuzuhara | Honda | 15 | +20.833 | 20 | 2 |
| 15 | 51 | Enrique Jerez | Derbi | 15 | +22.562 | 17 | 1 |
| 16 | 35 | Raffaele De Rosa | Aprilia | 15 | +24.038 | 22 | |
| 17 | 8 | Lorenzo Zanetti | Aprilia | 15 | +25.907 | 18 | |
| 18 | 6 | Joan Olivé | Aprilia | 15 | +27.014 | 27 | |
| 19 | 43 | Manuel Hernández | Aprilia | 15 | +27.502 | 26 | |
| 20 | 7 | Alexis Masbou | Honda | 15 | +27.548 | 21 | |
| 21 | 45 | Imre Tóth | Aprilia | 15 | +47.987 | 25 | |
| 22 | 68 | Hirokaki Kuzuhara | Honda | 15 | +48.337 | 31 | |
| 23 | 10 | Federico Sandi | Honda | 15 | +48.524 | 34 | |
| 24 | 64 | Yuki Hamamoto | Honda | 15 | +51.086 | 32 | |
| 25 | 20 | Takumi Takahashi | Honda | 15 | +53.530 | 29 | |
| 26 | 66 | Arata Mori | Honda | 15 | +53.610 | 33 | |
| 27 | 26 | Vincent Braillard | Aprilia | 15 | +54.652 | 38 | |
| 28 | 44 | Karel Abraham | Aprilia | 15 | +55.454 | 30 | |
| 29 | 67 | Kazuki Hanafusa | Honda | 15 | +1:03.564 | 41 | |
| 30 | 28 | Jordi Carchano | Aprilia | 13 | +2 ronden | 36 | |
| DNF | 14 | Gábor Talmácsi | KTM | 13 | Ongeluk | 1 | |
| DNF | 52 | Lukáš Pešek | Derbi | 13 | Uitgevallen | 23 | |
| DNF | 25 | Dario Giuseppetti | Aprilia | 12 | Uitgevallen | 28 | |
| DNF | 58 | Marco Simoncelli | Aprilia | 9 | Ongeluk | 4 | |
| DNF | 31 | Sascha Hommel | Malaguti | 9 | Ongeluk | 40 | |
| DNF | 46 | Mateo Túnez | Aprilia | 7 | Ongeluk | 15 | |
| DNF | 65 | Hiroomi Iwata | Honda | 6 | Uitgevallen | 35 | |
| DNF | 15 | Michele Pirro | Malaguti | 5 | Ongeluk | 37 | |
| DNF | 11 | Sandro Cortese | Honda | 3 | Ongeluk | 16 | |
| DNF | 48 | David Bonache | Honda | 0 | Uitgevallen | 39 | |
| DNF | 60 | Julián Simón | KTM | 0 | Ongeluk | 11 | |

## Tussenstand na wedstrijd
### MotoGP

| Pos | Nr | Rijder | Team | Punten |
| 1 | 46 | Valentino Rossi | Yamaha | 261 |
| 2 | 3 | Max Biaggi | Honda | 149 |
| 3 | 5 | Colin Edwards | Yamaha | 133 |
| 4 | 33 | Marco Melandri | Honda | 126 |
| 5 | 69 | Nicky Hayden | Honda | 121 |

### 250 cc

| Pos | Nr | Rijder | Team | Punten |
| 1 | 1 | Dani Pedrosa | Honda | 226 |
| 2 | 27 | Casey Stoner | Aprilia | 163 |
| 3 | 34 | Andrea Dovizioso | Honda | 144 |
| 4 | 73 | Hiroshi Aoyama | Honda | 121 |
| 5 | 5 | Alex de Angelis | Aprilia | 109 |

### 125 cc

| Pos | Nr | Rijder | Team | Punten |
| 1 | 12 | Thomas Lüthi | Honda | 164 |
| 2 | 36 | Mika Kallio | KTM | 161 |
| 3 | 14 | Gábor Talmácsi | KTM | 120 |
| 4 | 58 | Marco Simoncelli | Aprilia | 117 |
| 5 | 32 | Fabrizio Lai | Honda | 104 |
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