# Gran Premi del Japó de motociclisme 2009

El Gran Premi del Japó de motociclisme 2009 va ser el segon gran premi de la temporada 2009 de motociclisme. És un gran premi disputat entre el 24 i el 26 d'abril del 2009 al Twin Ring Motegi, situat a Motegi al Japó.

## Resultats MotoGP

| Posició | Dorsal | Pilot | Constructor | Voltes | Temps | Graella | Punts |
| 1 | 99 | Jorge Lorenzo | Yamaha | 24 | 43:47.238 | 3 | 25 |
| 2 | 46 | Valentino Rossi | Yamaha | 24 | +1.304 | 1 | 20 |
| 3 | 3 | Dani Pedrosa | Honda | 24 | +3.763 | 11 | 16 |
| 4 | 27 | Casey Stoner | Ducati | 24 | +5.691 | 2 | 13 |
| 5 | 4 | Andrea Dovizioso | Honda | 24 | +9.207 | 7 | 11 |
| 6 | 33 | Marco Melandri | Kawasaki | 24 | +30.555 | 8 | 10 |
| 7 | 65 | Loris Capirossi | Suzuki | 24 | +32.756 | 6 | 9 |
| 8 | 36 | Mika Kallio | Ducati | 24 | +39.416 | 17 | 8 |
| 9 | 52 | James Toseland | Yamaha | 24 | +43.106 | 10 | 7 |
| 10 | 7 | Chris Vermeulen | Suzuki | 24 | +43.245 | 4 | 6 |
| 11 | 14 | Randy de Puniet | Honda | 24 | +44.834 | 16 | 5 |
| 12 | 5 | Colin Edwards | Yamaha | 24 | +46.540 | 5 | 4 |
| 13 | 15 | Alex de Angelis | Honda | 24 | +53.525 | 15 | 3 |
| 14 | 88 | Niccolò Canepa | Ducati | 24 | +1:21.804 | 18 | 2 |
| 15 | 24 | Toni Elias | Honda | 23 | +1 Lap | 9 | 1 |
| Ret | 59 | Sete Gibernau | Ducati | 17 | Retirat | 14 | |
| Ret | 69 | Nicky Hayden | Ducati | 0 | Accident | 12 | |
| Ret | 72 | Yuki Takahashi | Honda | 0 | Accident | 13 | |

## Resultats 250cc

| Posició | Dorsal | Pilot | Constructor | Voltes | Temps | Graella | Punts |
| 1 | 19 | Álvaro Bautista | Aprilia | 23 | 44:06.488 | 3 | 25 |
| 2 | 4 | Hiroshi Aoyama | Honda | 23 | +5.889 | 2 | 20 |
| 3 | 75 | Mattia Pasini | Aprilia | 23 | +21.832 | 4 | 16 |
| 4 | 28 | Gábor Talmácsi | Aprilia | 23 | +25.906 | 7 | 13 |
| 5 | 6 | Alex Debón | Aprilia | 23 | +30.785 | 10 | 11 |
| 6 | 73 | Shuhei Aoyama | Honda | 23 | +33.788 | 17 | 10 |
| 7 | 52 | Lukáš Pešek | Aprilia | 23 | +36.972 | 11 | 9 |
| 8 | 12 | Thomas Lüthi | Aprilia | 23 | +41.018 | 13 | 8 |
| 9 | 17 | Karel Abrahám | Aprilia | 23 | +41.649 | 16 | 7 |
| 10 | 48 | Shoya Tomizawa | Honda | 23 | +52.863 | 25 | 6 |
| 11 | 40 | Héctor Barberá | Aprilia | 23 | +1:00.888 | 5 | 5 |
| 12 | 35 | Raffaele de Rosa | Honda | 23 | +1:06.347 | 6 | 4 |
| 13 | 10 | Imre Tóth | Aprilia | 23 | +1:53.149 | 20 | 3 |
| 14 | 59 | Kazuki Watanabe | Yamaha | 22 | +1 volta | 19 | 2 |
| 15 | 56 | Vladimir Leonov | Aprilia | 22 | +1 volta | 22 | 1 |
| 16 | 8 | Bastién Chesaux | Honda | 22 | +1 volta | 23 | |
| 17 | 58 | Marco Simoncelli | Gilera | 22 | +1 volta | 1 | |
| 18 | 77 | Aitor Rodriguez | Aprilia | 22 | +1 volta | 24 | |
| Ret | 14 | Ratthapark Wilairot | Honda | 18 | Accident | 12 | |
| Ret | 25 | Alex Baldolini | Aprilia | 17 | Accident | 18 | |
| Ret | 55 | Hèctor Faubel | Honda | 6 | Accident | 15 | |
| Ret | 63 | Mike Di Meglio | Aprilia | 5 | Accident | 8 | |
| Ret | 7 | Àxel Pons | Aprilia | 3 | Accident | 21 | |
| Ret | 16 | Jules Cluzel | Aprilia | 2 | Accident | 14 | |
| Ret | 15 | Roberto Locatelli | Gilera | 2 | Accident | 9 | |

## Resultats 125cc

| Posició | Dorsal | Pilot | Constructor | Voltes | Temps | Graella | Punts |
| 1 | 29 | Andrea Iannone | Aprilia | 20 | 42:23.716 | 1 | 25 |
| 2 | 60 | Julián Simón | Aprilia | 20 | +1.346 | 2 | 20 |
| 3 | 44 | Pol Espargaró | Derbi | 20 | +5.039 | 8 | 16 |
| 4 | 17 | Stefan Bradl | Aprilia | 20 | +6.904 | 3 | 13 |
| 5 | 93 | Marc Márquez | KTM | 20 | +13.061 | 10 | 11 |
| 6 | 11 | Sandro Cortese | Derbi | 20 | +14.841 | 9 | 10 |
| 7 | 6 | Joan Olivé | Derbi | 20 | +16.420 | 11 | 9 |
| 8 | 94 | Jonas Folger | Aprilia | 20 | +16.483 | 14 | 8 |
| 9 | 77 | Dominique Aegerter | Derbi | 20 | +27.500 | 6 | 7 |
| 10 | 38 | Bradley Smith | Aprilia | 20 | +30.359 | 7 | 6 |
| 11 | 99 | Danny Webb | Aprilia | 20 | +37.547 | 13 | 5 |
| 12 | 71 | Tomoyoshi Koyama | Loncin | 20 | +43.856 | 19 | 4 |
| 13 | 12 | Esteve Rabat | Aprilia | 20 | +59.889 | 4 | 3 |
| 14 | 8 | Lorenzo Zanetti | Aprilia | 20 | +1:00.141 | 15 | 2 |
| 15 | 24 | Simone Corsi | Aprilia | 20 | +1:02.601 | 17 | 1 |
| 16 | 16 | Cameron Beaubier | KTM | 20 | +1:02.609 | 23 | |
| 17 | 18 | Nicolás Terol | Aprilia | 20 | +1:09.867 | 5 | |
| 18 | 35 | Randy Krummenacher | Aprilia | 20 | +1:09.883 | 22 | |
| 19 | 33 | Sergio Gadea | Aprilia | 20 | +1:15.049 | 12 | |
| 20 | 73 | Takaaki Nakagami | Aprilia | 20 | +1:19.858 | 21 | |
| 21 | 5 | Alexis Masbou | Loncin | 20 | +1:43.413 | 25 | |
| 22 | 7 | Efrén Vázquez | Derbi | 20 | +1:52.910 | 20 | |
| 23 | 69 | Lukas Sembera | Aprilia | 20 | +2:07.124 | 33 | |
| 24 | 58 | Yuuichi Yanagisawa | Honda | 20 | +2:07.402 | 26 | |
| 25 | 87 | Luca Marconi | Aprilia | 19 | +1 volta | 30 | |
| 26 | 10 | Luca Vitali | Aprilia | 19 | +1 volta | 35 | |
| 27 | 55 | Hiroomi Iwata | Honda | 19 | +1 volta | 29 | |
| 28 | 59 | Satoru Kamada | Honda | 19 | +1 volta | 28 | |
| 29 | 57 | Yuki Oogane | Honda | 18 | +2 volta | 34 | |
| Ret | 56 | Yuma Yahagi | Honda | 11 | Retirat | 27 | |
| Ret | 14 | Johann Zarco | Aprilia | 10 | Retirat | 18 | |
| Ret | 45 | Scott Redding | Aprilia | 6 | Retirat | 16 | |
| Ret | 32 | Lorenzo Savadori | Aprilia | 2 | Accident | 24 | |
| Ret | 53 | Jasper Iwema | Honda | 0 | Accident | 31 | |
| NVC | 88 | Michael Ranseder | Haojue | | Problema tècnic | 32 | |
| NC | 66 | Matthew Hoyle | Haojue | | | | |