| P. | # | Cl. | Rider | Bike | Q1 | Q2 | Time | KM/H | 
|---|---|---|---|---|---|---|---|---|
| 1 | 7 |  Shin'ya TAKEISHI | Kawasaki | 1:54.327 | 1:53.242 | 1:53.242 | 152.63 | |
| 2 | 5 |  Shin'ichi ITO | Honda | 1:53.862 | 1:53.398 | 1:53.398 | 152.42 | |
| 3 | 4 |  Wataru YOSHIKAWA | Yamaha | 1:55.248 | 1:53.894 | 1:53.894 | 151.75 | |
| 4 | 45 |  Toshiyuki HAMAGUCHI | Suzuki | 1:55.824 | 1:54.089 | 1:54.089 | 151.49 | |
| 5 | 12 |  Hitoyasu IZUTSU | Kawasaki | 1:56.471 | 1:54.278 | 1:54.278 | 151.24 | |
| 6 | 3 |  Yuichi TAKEDA | Honda | 1:54.977 | 1:54.545 | 1:54.545 | 150.89 | |
| 7 | 8 |  Tamaki SERIZAWA | Kawasaki | 1:54.647 | 1:54.640 | 1:54.640 | 150.76 | |
| 8 | 51 |  Kensuke HAGA | Yamaha | 1:55.736 | 1:54.744 | 1:54.744 | 150.63 | |
| 9 | 9 |  Keiichi KITAGAWA | Suzuki | 1:54.787 | 1:55.057 | 1:54.787 | 150.57 | |
| 10 | 36 |  Takahiro SOHWA | Honda | 1:55.885 | 1:55.640 | 1:55.640 | 149.46 | |
| 11 | 98 |  Atsushi WATANABE | Suzuki | 1:57.199 | 1:56.914 | 1:56.914 | 147.83 | |
| 12 | 6 |  Akira RYO | Suzuki | 1:57.250 | 1:57.250 | 147.41 | ||
| 13 | 13 |  Manabu KAMADA | Honda | 1:57.940 | 1:57.414 | 1:57.414 | 147.20 | |
| 14 | 59 |  Toshiyuki ARAKAKI | Honda | 1:58.944 | 1:57.601 | 1:57.601 | 146.97 | |
| 15 | 30 |  Takuma YAMAMOTO | Kawasaki | 1:59.102 | 1:57.622 | 1:57.622 | 146.94 | |
| 16 | 916 |  Ichiro ASAI | Ducati | 1:58.226 | 1:57.725 | 1:57.725 | 146.81 | |
| 17 | 17 |  Yuji HARAGUCHI | Honda | 1:58.833 | 1:57.809 | 1:57.809 | 146.71 | |
| 18 | 21 |  Tomohiko KANEYASU | Honda | 2:00.017 | 1:57.980 | 1:57.980 | 146.50 | |
| 19 | 41 |  Jun'ichi KATO | Yamaha | 1:59.832 | 1:58.280 | 1:58.280 | 146.12 | |
| 20 | 48 |  Takayuki SUZUKI | Honda | 1:59.943 | 1:58.369 | 1:58.369 | 146.01 | |
| 21 | 65 |  Masaaki TSUKAMOTO | Honda | 2:00.638 | 1:58.775 | 1:58.775 | 145.52 | |
| 22 | 38 |  Ken'ichiro NAKAMURA | Honda | 1:59.888 | 1:59.152 | 1:59.152 | 145.06 | |
| 23 | 24 |  Yukihiro AOYANAGI | Yamaha | 2:02.099 | 2:00.006 | 2:00.006 | 144.02 | |
| 24 | 72 |  Naoshi NAKAGAWA | Honda | 2:00.499 | 2:00.122 | 2:00.122 | 143.88 | |
| 25 | 53 |  Naoji YAMAZAKI | Kawasaki | 2:01.518 | 2:00.301 | 2:00.301 | 143.67 | |
| 26 | 50 |  Hiroshi SAEKI | Kawasaki | 2:01.782 | 2:00.357 | 2:00.357 | 143.60 | |
| 27 | 16 |  Katsunori HASEGAWA | Yamaha | 2:00.845 | 2:00.605 | 2:00.605 | 143.31 | |
| 28 | 63 |  Ryuichi OSAKI | Suzuki | 2:01.255 | 2:00.744 | 2:00.744 | 143.14 | |
| 29 | 25 |  Kei NASHIMOTO | Honda | 2:00.885 | 2:01.750 | 2:00.885 | 142.98 | |
| 30 | 55 |  Yoshihiko TAKATSUTO | Honda | 2:02.648 | 2:01.711 | 2:01.711 | 142.01 | |
| 31 | 60 |  Toshitake MATSUSHITA | Kawasaki | 2:02.676 | 2:01.913 | 2:01.913 | 141.77 | |
| 32 | 56 |  Hitoshi TANIGUCHI | Yamaha | 2:03.255 | 2:02.315 | 2:02.315 | 141.30 | |
| 33 | 54 |  Yoshihiko NAKAMURA | Yamaha | 2:04.056 | 2:02.592 | 2:02.592 | 140.98 | |
| 34 | 52 |  Makoto USUI | Yamaha | 2:04.152 | 2:02.694 | 2:02.694 | 140.87 | |
| 35 | 61 |  Yasunari KAWAMURA | Honda | 2:05.656 | 2:03.255 | 2:03.255 | 140.23 | |
| 36 | 58 |  Hideaki TSUTSUI | Honda | 2:04.748 | 2:03.504 | 2:03.504 | 139.94 | |
| 37 | 49 |  Yoshinori KAMIMURA | Honda | 2:04.527 | 2:03.772 | 2:03.772 | 139.64 | |
| 38 | 46 |  Atsushi YOSHIHIRO | Honda | 2:05.985 | 2:04.443 | 2:04.443 | 138.89 | |
| (39) | 57 |  Morimichi GOMI | Kawasaki | 2:08.064 | 2:04.916 | 2:04.916 | 138.36 | |
| (40) | 71 |  Hiroki TAKANO | Yamaha | 2:08.277 | 2:05.597 | 2:05.597 | 137.61 | |
| (41) | 47 |  Keiichi NAKAZAWA | Kawasaki | 2:07.389 | 2:06.533 | 2:06.533 | 136.59 | |
| 42 | 44 |  Yoshinobu TAKAHASHI | Honda | 2:13.404 | 2:13.404 | 129.56 | 
1998-04-10 to 1998-04-12
Motegi Superbike Race
Motegi (Permanent circuit, 4.8010 km)
Attendance: 12,000
Entries: 44 / Practised: 42 / Qualified: 38

Sessions
Overall qualifying
Results
Positions in parentheses denote riders who either did not receive a grid space, failed to meet qualifying requirements or withdrew after qualifying.
Sources:
Official results/ Official entry list/ Official grid sheet/ Official programme/ MotorLand2 TV coverage/ MFJ Magazine No. 352 1999-01 pg60-62/ bike.ne.jp/ europark.com/ honda.co.jp/motorsports/ moriwaki.co.jp/ motoracing-japan.com/ Photos by roadrace.jog.buttobi.net
