# Grand Prix-wegrace van Japan 1999

De Grand Prix-wegrace van Japan 1999 was de tweede race van het wereldkampioenschap wegrace-seizoen 1999. De race werd verreden op 25 april 1999 op de Twin Ring Motegi nabij Motegi, Japan.

## Uitslag
### 500 cc

| Pos | Nr | Rijder | Constructeur | Rondes | Tijd | Grid | Punten |
| 1 | 10 | Kenny Roberts jr. | Suzuki | 25 | 51:54.386 | 1 | 25 |
| 2 | 1 | Mick Doohan | Honda | 25 | +3.841 | 2 | 20 |
| 3 | 6 | Norifumi Abe | Yamaha | 25 | +21.758 | 10 | 16 |
| 4 | 3 | Àlex Crivillé | Honda | 25 | +23.610 | 9 | 13 |
| 5 | 15 | Sete Gibernau | Honda | 25 | +23.984 | 14 | 11 |
| 6 | 4 | Carlos Checa | Yamaha | 25 | +37.480 | 3 | 10 |
| 7 | 36 | Shinichi Ito | Honda | 25 | +50.582 | 13 | 9 |
| 8 | 5 | Alex Barros | Honda | 25 | +52.008 | 6 | 8 |
| 9 | 2 | Max Biaggi | Yamaha | 25 | +53.524 | 5 | 7 |
| 10 | 9 | Nobuatsu Aoki | Suzuki | 25 | +1:05.068 | 11 | 6 |
| 11 | 14 | Juan Borja | Honda | 25 | +1:08.314 | 15 | 5 |
| 12 | 16 | Yukio Kagayama | Suzuki | 25 | +1:13.299 | 12 | 4 |
| 13 | 71 | Noriyasu Numata | MuZ Weber | 25 | +1:19.245 | 25 | 3 |
| 14 | 25 | José Luis Cardoso | TSR-Honda | 25 | +1:26.998 | 17 | 2 |
| 15 | 8 | Tadayuki Okada | Honda | 25 | +1:30.225 | 8 | 1 |
| 16 | 22 | Sébastien Gimbert | Honda | 25 | +1:52.896 | 23 | |
| 17 | 18 | Markus Ober | Honda | 24 | +1 ronde | 24 | |
| 18 | 21 | Michael Rutter | Honda | 24 | +1 ronde | 22 | |
| 19 | 20 | Mike Hale | Modenas KR3 | 24 | +1 ronde | 26 | |
| DNF | 19 | John Kocinski | Honda | 15 | Ongeluk | 4 | |
| DNF | 26 | Haruchika Aoki | TSR-Honda | 13 | Uitgevallen | 18 | |
| DNF | 12 | Jean-Michel Bayle | Modenas KR3 | 6 | Uitgevallen | 20 | |
| DNF | 17 | Jurgen van den Goorbergh | MuZ Weber | 2 | Uitgevallen | 19 | |
| DNF | 55 | Régis Laconi | Yamaha | 2 | Ongeluk | 7 | |
| DNF | 31 | Tetsuya Harada | Aprilia | 1 | Uitgevallen | 16 | |
| DNF | 11 | Simon Crafar | Yamaha | 0 | Uitgevallen | 21 | |

### 250 cc

| Pos | Nr | Rijder | Constructeur | Rondes | Tijd | Grid | Punten |
| 1 | 56 | Shinya Nakano | Yamaha | 23 | 48:52.950 | 2 | 25 |
| 2 | 4 | Tohru Ukawa | Honda | 23 | +2.697 | 3 | 20 |
| 3 | 1 | Loris Capirossi | Honda | 23 | +9.260 | 9 | 16 |
| 4 | 21 | Franco Battaini | Aprilia | 23 | +11.895 | 1 | 13 |
| 5 | 51 | Daijiro Kato | Honda | 23 | +13.793 | 10 | 11 |
| 6 | 52 | Tatsuya Yamaguchi | Honda | 23 | +14.264 | 8 | 10 |
| 7 | 46 | Valentino Rossi | Aprilia | 23 | +21.092 | 11 | 9 |
| 8 | 11 | Tomomi Manako | Yamaha | 23 | +24.480 | 12 | 8 |
| 9 | 34 | Marcellino Lucchi | Aprilia | 23 | +45.594 | 5 | 7 |
| 10 | 14 | Anthony West | TSR-Honda | 23 | +49.724 | 17 | 6 |
| 11 | 49 | Naoki Matsudo | Yamaha | 23 | +1:07.293 | 7 | 5 |
| 12 | 44 | Roberto Rolfo | Aprilia | 23 | +1:11.813 | 18 | 4 |
| 13 | 15 | David García | Yamaha | 23 | +1:15.851 | 27 | 3 |
| 14 | 10 | Fonsi Nieto | Yamaha | 23 | +1:17.806 | 19 | 2 |
| 15 | 54 | Tekkyu Kayo | TSR-Honda | 23 | +1:18.400 | 23 | 1 |
| 16 | 36 | Masaki Tokudome | TSR-Honda | 23 | +1:19.374 | 20 | |
| 17 | 12 | Sebastián Porto | Yamaha | 23 | +1:28.624 | 21 | |
| 18 | 66 | Alex Hofmann | TSR-Honda | 23 | +1:40.318 | 22 | |
| 19 | 41 | Jarno Janssen | TSR-Honda | 22 | +1 ronde | 26 | |
| 20 | 53 | Ken Eguchi | Yamaha | 22 | +1 ronde | 29 | |
| 21 | 58 | Matías Ríos | Aprilia | 22 | +1 ronde | 28 | |
| DNF | 71 | Takehiko Kurokawa | TSR-Honda | 15 | Ongeluk | 31 | |
| DNF | 24 | Jason Vincent | Honda | 13 | Ongeluk | 13 | |
| DNF | 23 | Julien Allemand | TSR-Honda | 13 | Uitgevallen | 30 | |
| DNF | 16 | Johan Stigefelt | Yamaha | 5 | Ongeluk | 15 | |
| DNF | 50 | Taro Sekiguchi | Yamaha | 5 | Uitgevallen | 25 | |
| DNF | 19 | Olivier Jacque | Yamaha | 3 | Ongeluk | 6 | |
| DNF | 7 | Stefano Perugini | Honda | 2 | Ongeluk | 16 | |
| DNF | 37 | Luca Boscoscuro | TSR-Honda | 2 | Uitgevallen | 14 | |
| DNF | 22 | Lucas Oliver Bultó | Yamaha | 2 | Ongeluk | 24 | |
| DNF | 9 | Jeremy McWilliams | Aprilia | 0 | Uitgevallen | 4 | |

### 125 cc

| Pos | Nr | Rijder | Constructeur | Rondes | Tijd | Grid | Punten |
| 1 | 4 | Masao Azuma | Honda | 21 | 46:17.732 | 6 | 25 |
| 2 | 48 | Hideyuki Nakajo | Honda | 21 | +21.903 | 13 | 20 |
| 3 | 7 | Emilio Alzamora | Honda | 21 | +32.523 | 3 | 16 |
| 4 | 41 | Youichi Ui | Derbi | 21 | +35.700 | 26 | 13 |
| 5 | 50 | Katsuji Uezu | Yamaha | 21 | +36.781 | 25 | 11 |
| 6 | 5 | Lucio Cecchinello | Honda | 21 | +36.903 | 1 | 10 |
| 7 | 11 | Max Sabbatani | Honda | 21 | +38.296 | 12 | 9 |
| 8 | 1 | Kazuto Sakata | Honda | 21 | +40.167 | 11 | 8 |
| 9 | 47 | Kazuhiro Kubo | Yamaha | 21 | +40.956 | 24 | 7 |
| 10 | 51 | Minoru Nakamura | Honda | 21 | +48.719 | 15 | 6 |
| 11 | 29 | Ángel Nieto jr. | Honda | 21 | +49.059 | 14 | 5 |
| 12 | 8 | Gianluigi Scalvini | Aprilia | 21 | +54.125 | 4 | 4 |
| 13 | 17 | Steve Jenkner | Aprilia | 21 | +1:29.946 | 28 | 3 |
| 14 | 26 | Ivan Goi | Honda | 21 | +1:32.451 | 21 | 2 |
| 15 | 12 | Randy de Puniet | Aprilia | 21 | +1:43.423 | 23 | 1 |
| 16 | 32 | Mirko Giansanti | Aprilia | 21 | +1:59.982 | 5 | |
| 17 | 18 | Reinhard Stolz | Honda | 21 | +2:00.130 | 22 | |
| 18 | 54 | Manuel Poggiali | Aprilia | 21 | +2:06.371 | 8 | |
| 19 | 22 | Pablo Nieto | Derbi | 20 | +1 lap | 29 | |
| 20 | 9 | Frédéric Petit | Aprilia | 20 | +1 ronde | 9 | |
| 21 | 44 | Alessandro Brannetti | Aprilia | 20 | +1 ronde | 18 | |
| DNF | 20 | Bernhard Absmeier | Aprilia | 12 | Uitgevallen | 20 | |
| DNF | 49 | Jun Inageda | Honda | 10 | Ongeluk | 16 | |
| DNF | 23 | Gino Borsoi | Aprilia | 10 | Uitgevallen | 19 | |
| DNF | 21 | Arnaud Vincent | Aprilia | 7 | Ongeluk | 10 | |
| DNF | 10 | Jerónimo Vidal | Aprilia | 7 | Uitgevallen | 27 | |
| DNF | 6 | Noboru Ueda | Honda | 5 | Ongeluk | 17 | |
| DNF | 15 | Roberto Locatelli | Aprilia | 4 | Ongeluk | 2 | |
| DNF | 16 | Simone Sanna | Honda | 0 | Ongeluk | 7 | |

## Tussenstand na wedstrijd
### 500 cc

| Pos | Nr | Rijder | Team | Punten |
| 1 | 10 | Kenny Roberts jr. | Suzuki | 50 |
| 2 | 1 | Mick Doohan | Honda | 33 |
| 3 | 4 | Carlos Checa | Yamaha | 30 |
| 4 | 3 | Àlex Crivillé | Honda | 29 |
| 5 | 5 | Alex Barros | Honda | 18 |

### 250 cc

| Pos | Nr | Rijder | Team | Punten |
| 1 | 1 | Loris Capirossi | Honda | 41 |
| 2 | 56 | Shinya Nakano | Yamaha | 41 |
| 3 | 4 | Tohru Ukawa | Honda | 40 |
| 4 | 46 | Valentino Rossi | Aprilia | 20 |
| 5 | 34 | Marcellino Lucchi | Aprilia | 17 |

### 125 cc

| Pos | Nr | Rijder | Team | Punten |
| 1 | 4 | Masao Azuma | Honda | 50 |
| 2 | 7 | Emilio Alzamora | Honda | 36 |
| 3 | 48 | Hideyuki Nakajo | Honda | 20 |
| 4 | 8 | Gianluigi Scalvini | Aprilia | 20 |
| 5 | 41 | Youichi Ui | Derbi | 16 |
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