# 2005 Japanese motorcycle Grand Prix

The 2005 Japanese motorcycle Grand Prix was the twelfth round of the 2005 MotoGP Championship. It took place on the weekend of 16–18 September 2005 at the Twin Ring Motegi circuit. In the 250cc class Jorge Lorenzo was handed a 1 race ban for riding in a irresponsible manner.

## MotoGP classification

| Pos. | No. | Rider | Team | Manufacturer | Laps | Time/Retired | Grid | Points |
| 1 | 65 | Loris Capirossi | Ducati Marlboro Team | Ducati | 24 | 43:30.499 | 1 | 25 |
| 2 | 3 | Max Biaggi | Repsol Honda Team | Honda | 24 | +1.479 | 5 | 20 |
| 3 | 6 | Makoto Tamada | Konica Minolta Honda | Honda | 24 | +16.227 | 4 | 16 |
| 4 | 7 | Carlos Checa | Ducati Marlboro Team | Ducati | 24 | +22.148 | 9 | 13 |
| 5 | 21 | John Hopkins | Team Suzuki MotoGP | Suzuki | 24 | +33.212 | 2 | 11 |
| 6 | 5 | Colin Edwards | Gauloises Yamaha Team | Yamaha | 24 | +34.915 | 13 | 10 |
| 7 | 69 | Nicky Hayden | Repsol Honda Team | Honda | 24 | +45.894 | 6 | 9 |
| 8 | 10 | Kenny Roberts Jr. | Team Suzuki MotoGP | Suzuki | 24 | +56.498 | 8 | 8 |
| 9 | 24 | Toni Elías | Fortuna Yamaha Team | Yamaha | 24 | +1:12.037 | 17 | 7 |
| 10 | 11 | Rubén Xaus | Fortuna Yamaha Team | Yamaha | 24 | +1:34.927 | 19 | 6 |
| 11 | 27 | Franco Battaini | Blata WCM | Blata | 23 | +1 lap | 20 | 5 |
| Ret | 33 | Marco Melandri | Movistar Honda MotoGP | Honda | 12 | Accident | 3 | |
| Ret | 46 | Valentino Rossi | Gauloises Yamaha Team | Yamaha | 12 | Accident | 11 | |
| Ret | 4 | Alex Barros | Camel Honda | Honda | 12 | Accident | 10 | |
| Ret | 15 | Sete Gibernau | Movistar Honda MotoGP | Honda | 11 | Accident | 7 | |
| Ret | 56 | Shinya Nakano | Kawasaki Racing Team | Kawasaki | 8 | Retirement | 14 | |
| Ret | 72 | Tohru Ukawa | Camel Honda | Honda | 4 | Retirement | 15 | |
| Ret | 44 | Roberto Rolfo | Team d'Antin Pramac | Ducati | 2 | Accident | 16 | |
| Ret | 66 | Alex Hofmann | Kawasaki Racing Team | Kawasaki | 2 | Accident | 12 | |
| Ret | 45 | Naoki Matsudo | Moriwaki Racing | Moriwaki | 0 | Retirement | 18 | |
| DNS | 77 | James Ellison | Blata WCM | Blata | | Did not start | | |
| Sources: |||||||||

## 250 cc classification

| Pos. | No. | Rider | Manufacturer | Laps | Time/Retired | Grid | Points |
| 1 | 73 | Hiroshi Aoyama | Honda | 23 | 43:52.454 | 1 | 25 |
| 2 | 1 | Daniel 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 | |
| Ret | 48 | Jorge Lorenzo | Honda | 22 | Accident | 2 | |
| Ret | 44 | Taro Sekiguchi | Aprilia | 21 | Retirement | 12 | |
| Ret | 19 | Sebastián Porto | Aprilia | 10 | Accident | 10 | |
| Ret | 8 | Andrea Ballerini | Aprilia | 10 | Retirement | 26 | |
| Ret | 57 | Chaz Davies | Aprilia | 5 | Accident | 23 | |
| Ret | 75 | Shuhei Aoyama | Honda | 2 | Accident | 3 | |
| Ret | 14 | Anthony West | KTM | 2 | Accident | 14 | |
| Ret | 15 | Roberto Locatelli | Aprilia | 0 | Accident | 17 | |
| Ret | 21 | Arnaud Vincent | Fantic | 0 | Accident | 31 | |
| Ret | 78 | Ryuji Yokoe | Yamaha | 0 | Accident | 18 | |
| Ret | 96 | Jakub Smrž | Honda | 0 | Accident | 19 | |
| DNQ | 23 | Nicklas Cajback | Yamaha | | Did not qualify | | |
| DNQ | 20 | Gabriele Ferro | Fantic | | Did not qualify | | |
| DNQ | 22 | Alexander Todorov | Yamaha | | Did not qualify | | |
| Source: ||||||||

## 125 cc classification

The race, scheduled to be run for 21 laps, was stopped after 15 full laps due to an accident and did not restart as two thirds of the race distance had been completed.
| Pos. | No. | Rider | Manufacturer | Laps | Time/Retired | Grid | Points |
| 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 | Hiroaki 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 laps | 36 | |
| Ret | 14 | Gábor Talmácsi | KTM | 13 | Accident | 1 | |
| Ret | 52 | Lukáš Pešek | Derbi | 13 | Retirement | 23 | |
| Ret | 25 | Dario Giuseppetti | Aprilia | 12 | Retirement | 28 | |
| Ret | 58 | Marco Simoncelli | Aprilia | 9 | Accident | 4 | |
| Ret | 31 | Sascha Hommel | Malaguti | 9 | Accident | 40 | |
| Ret | 46 | Mateo Túnez | Aprilia | 7 | Accident | 15 | |
| Ret | 65 | Hiroomi Iwata | Honda | 6 | Retirement | 35 | |
| Ret | 15 | Michele Pirro | Malaguti | 5 | Accident | 37 | |
| Ret | 11 | Sandro Cortese | Honda | 3 | Accident | 16 | |
| Ret | 48 | David Bonache | Honda | 0 | Retirement | 39 | |
| Ret | 60 | Julián Simón | KTM | 0 | Accident | 11 | |
| Source: ||||||||

## Championship standings after the race (MotoGP)

Below are the standings for the top five riders and constructors after round twelve has concluded.
| Pos. | Rider | Points |
| 1 | Valentino Rossi | 261 |
| 2 | Max Biaggi | 149 |
| 3 | Colin Edwards | 133 |
| 4 | Marco Melandri | 126 |
| 5 | Nicky Hayden | 121 |
| Pos. | Constructor | Points |
| 1 | Yamaha | 275 |
| 2 | Honda | 238 |
| 3 | Ducati | 127 |
| 4 | Kawasaki | 97 |
| 5 | Suzuki | 76 |
* Note: Only the top five positions are included for both sets of standings.