# Wereldkampioenschap superbike van Sugo 1990

Het wereldkampioenschap superbike van Sugo 1990 was de achtste ronde van het wereldkampioenschap superbike 1990. De races werden verreden op 26 augustus 1990 op het Sportsland SUGO nabij Murata, Japan.

## Race 1

| Pos | Nr | Rijder | Constructeur | Rondes | Tijd | Grid | Punten |
| 1 | 3 | Raymond Roche | Ducati | 19 | 30:31.168 | 1 | 20 |
| 2 | 8 | Baldassarre Monti | Honda | 19 | +0.165 | 4 | 17 |
| 3 | 45 | Doug Chandler | Kawasaki | 19 | +0.674 | 2 | 15 |
| 4 | 4 | Fabrizio Pirovano | Yamaha | 19 | +0.685 | 6 | 13 |
| 5 | 37 | Peter Goddard | Yamaha | 19 | +1.779 | 5 | 11 |
| 6 | 11 | Rob Phillis | Kawasaki | 19 | +9.520 | 8 | 10 |
| 7 | 42 | Jamie James | Ducati | 19 | +10.613 | 7 | 9 |
| 8 | 21 | Doug Polen | Suzuki | 19 | +10.983 | 3 | 8 |
| 9 | 54 | Kenji Osaka | Yamaha | 19 | +23.959 | 11 | 7 |
| 10 | 65 | Shingo Kato | Yamaha | 19 | +27.527 | 10 | 6 |
| 11 | 2 | Stéphane Mertens | Honda | 19 | +29.069 | 13 | 5 |
| 12 | 19 | Rob McElnea | Yamaha | 19 | +33.666 | 19 | 4 |
| 13 | 56 | Mitsuo Saito | Yamaha | 19 | +39.237 | 15 | 3 |
| 14 | 60 | Koichi Kobayashi | Honda | 19 | +48.333 | 22 | 2 |
| 15 | 43 | Udo Mark | Yamaha | 19 | +48.901 | 23 | 1 |
| 16 | 30 | Brian Morrison | Honda | 19 | +48.947 | 12 | |
| 17 | 61 | Shigemasa Miwa | Honda | 19 | +51.677 | 16 | |
| 18 | 59 | Tetsuya Shirai | Honda | 19 | +51.882 | 18 | |
| 19 | 66 | Masanao Aoki | Yamaha | 19 | +52.443 | 20 | |
| 20 | 52 | Tadaaki Hanamura | Yamaha | 19 | +57.103 | 21 | |
| 21 | 69 | Kosei Yamamoto | Honda | 19 | +1:05.002 | 25 | |
| 22 | 67 | Toshiya Kobayashi | Honda | 19 | +1:05.551 | 29 | |
| 23 | 51 | Toshiharu Kaneko | Yamaha | 19 | +1:08.592 | 27 | |
| 24 | 57 | Gakushin Sato | Honda | 19 | +1:11.654 | 32 | |
| 25 | 46 | Christian Zwedorn | Honda | 19 | +1:13.792 | 31 | |
| 26 | 9 | Jari Suhonen | Yamaha | 19 | +1:13.915 | 24 | |
| 27 | 32 | Kit Choong Chao | Kawasaki | 18 | +1 ronde | 35 | |
| 28 | 44 | Saen Choeisak | Yamaha | 18 | +1 ronde | 34 | |
| 29 | 53 | Masaru Shoyama | Honda | 17 | +2 ronden | 36 | |
| DNF | 33 | Simon Buckmaster | Honda | 18 | Uitgevallen | 33 | |
| DNF | 34 | René Delaby | Honda | 11 | Uitgevallen | 30 | |
| DNF | 7 | Terry Rymer | Yamaha | 10 | Uitgevallen | 9 | |
| DNF | 23 | Ernst Gschwender | Honda | 9 | Uitgevallen | 28 | |
| DNF | 16 | Malcolm Campbell | Honda | 6 | Uitgevallen | 14 | |
| DNF | 5 | Anders Andersson | Yamaha | 5 | Uitgevallen | 17 | |
| DNF | 38 | Tom Kipp | Yamaha | 0 | Uitgevallen | 26 | |

## Race 2

| Pos | Nr | Rijder | Constructeur | Rondes | Tijd | Grid | Punten |
| 1 | 45 | Doug Chandler | Kawasaki | 24 | 38:21.998 | 2 | 20 |
| 2 | 37 | Peter Goddard | Yamaha | 24 | +1.362 | 5 | 17 |
| 3 | 8 | Baldassarre Monti | Honda | 24 | +4.141 | 4 | 15 |
| 4 | 4 | Fabrizio Pirovano | Yamaha | 24 | +12.516 | 6 | 13 |
| 5 | 11 | Rob Phillis | Kawasaki | 24 | +23.275 | 8 | 11 |
| 6 | 3 | Raymond Roche | Ducati | 24 | +30.011 | 1 | 10 |
| 7 | 42 | Jamie James | Ducati | 24 | +30.261 | 7 | 9 |
| 8 | 2 | Stéphane Mertens | Honda | 24 | +39.280 | 13 | 8 |
| 9 | 56 | Mitsuo Saito | Yamaha | 24 | +45.291 | 15 | 7 |
| 10 | 30 | Brian Morrison | Honda | 24 | +51.601 | 12 | 6 |
| 11 | 9 | Jari Suhonen | Yamaha | 24 | +57.172 | 24 | 5 |
| 12 | 61 | Shigemasa Miwa | Honda | 24 | +57.284 | 16 | 4 |
| 13 | 43 | Udo Mark | Yamaha | 24 | +59.250 | 23 | 3 |
| 14 | 52 | Tadaaki Hanamura | Yamaha | 24 | +59.441 | 21 | 2 |
| 15 | 16 | Malcolm Campbell | Honda | 24 | +1:00.034 | 14 | 1 |
| 16 | 66 | Masanao Aoki | Yamaha | 24 | +1:00.417 | 20 | |
| 17 | 23 | Ernst Gschwender | Honda | 24 | +1:05.310 | 28 | |
| 18 | 59 | Tetsuya Shirai | Honda | 24 | +1:08.587 | 18 | |
| 19 | 60 | Koichi Kobayashi | Honda | 24 | +1:21.507 | 22 | |
| 20 | 69 | Kosei Yamamoto | Honda | 24 | +1:22.079 | 25 | |
| 21 | 67 | Toshiya Kobayashi | Honda | 24 | +1:27.872 | 29 | |
| 22 | 51 | Toshiharu Kaneko | Yamaha | 24 | +1:29.137 | 27 | |
| 23 | 34 | René Delaby | Honda | 24 | +1:29.709 | 30 | |
| 24 | 57 | Gakushin Sato | Honda | 24 | +1:38.934 | 32 | |
| 25 | 46 | Christian Zwedorn | Honda | 23 | +1 ronde | 31 | |
| 26 | 33 | Simon Buckmaster | Honda | 23 | +1 ronde | 33 | |
| 27 | 32 | Kit Choong Chao | Kawasaki | 23 | +1 ronde | 35 | |
| 28 | 44 | Saen Choeisak | Yamaha | 22 | +2 ronden | 34 | |
| DNF | 38 | Tom Kipp | Yamaha | 19 | Uitgevallen | 26 | |
| DNF | 19 | Robert McElnea | Yamaha | 7 | Uitgevallen | 19 | |
| DNF | 5 | Anders Andersson | Yamaha | 5 | Uitgevallen | 17 | |
| DNF | 65 | Shingo Kato | Yamaha | 1 | Uitgevallen | 10 | |
| DNF | 54 | Kenji Osaka | Yamaha | 1 | Uitgevallen | 11 | |
| DNS | 21 | Doug Polen | Suzuki | 0 | Niet gestart | 3 | |
| DNS | 7 | Terry Rymer | Yamaha | 0 | Niet gestart | 9 | |
| DNS | 53 | Masaru Shoyama | Honda | 0 | Niet gestart | 36 | |

## Tussenstanden na wedstrijd

| Pos | Nr | Rijder | Team | Punten |
| 1 | 3 | Raymond Roche | Ducati | 253 |
| 2 | 2 | Stéphane Mertens | Honda | 208 |
| 3 | 4 | Fabrizio Pirovano | Yamaha | 187 |
| 4 | 1 | Fred Merkel | Honda | 186 |
| 5 | 19 | Rob McElnea | Yamaha | 130 |
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