| P. | # | Cl. | Rider | Bike | Q1 | Q2 | Time | KM/H |
|---|---|---|---|---|---|---|---|---|
| 1 | 7 |  Shin'ya TAKEISHI | Kawasaki | 0:57.576 | 0:57.834 | 0:57.576 | 129.43 | |
| 2 | 8 | Tamaki SERIZAWA | Kawasaki | 0:57.886 | 0:57.599 | 0:57.599 | 129.38 | |
| 3 | 5 | Shin'ichi ITO | Honda | 0:57.604 | 0:57.843 | 0:57.604 | 129.37 | |
| 4 | 6 | Akira RYO | Suzuki | 0:58.636 | 0:57.774 | 0:57.774 | 128.99 | |
| 5 | 98 | Atsushi WATANABE | Suzuki | 0:58.857 | 0:57.873 | 0:57.873 | 128.76 | |
| 6 | 9 | Keiichi KITAGAWA | Suzuki | 0:58.114 | 0:57.902 | 0:57.902 | 128.70 | |
| 7 | 3 | Yuichi TAKEDA | Honda | 0:57.927 | 0:58.151 | 0:57.927 | 128.64 | |
| 8 | 36 | Takahiro SOHWA | Honda | 0:58.319 | 0:58.217 | 0:58.217 | 128.00 | |
| 9 | 51 | Kensuke HAGA | Yamaha | 0:58.704 | 0:58.322 | 0:58.322 | 127.77 | |
| 10 | 4 | Wataru YOSHIKAWA | Yamaha | 0:58.487 | 0:58.369 | 0:58.369 | 127.67 | |
| 11 | 45 | Toshiyuki HAMAGUCHI | Suzuki | 0:58.637 | 0:58.441 | 0:58.441 | 127.51 | |
| 12 | 13 | Manabu KAMADA | Honda | 0:59.148 | 0:58.684 | 0:58.684 | 126.99 | |
| 13 | 12 | Hitoyasu IZUTSU | Kawasaki | 0:58.708 | 0:58.710 | 0:58.708 | 126.93 | |
| 14 | 26 | S-NK | Ryuji TSURUTA | Kawasaki | 0:59.333 | 0:59.010 | 0:59.010 | 126.28 |
| 15 | 30 | Takuma YAMAMOTO | Kawasaki | 0:59.653 | 0:59.613 | 0:59.613 | 125.01 | |
| 16 | 16 | Katsunori HASEGAWA | Yamaha | 0:59.631 | 0:59.824 | 0:59.631 | 124.97 | |
| 17 | 916 | Ichiro ASAI | Ducati | 0:59.806 | 0:59.746 | 0:59.746 | 124.73 | |
| 18 | 85 | S-NK | Takashi TODA | Yamaha | 1:00.222 | 0:59.779 | 0:59.779 | 124.66 |
| 19 | 59 | Toshiyuki ARAKAKI | Honda | 0:59.992 | 0:59.782 | 0:59.782 | 124.65 | |
| 20 | 21 | Tomohiko KANEYASU | Honda | 0:59.892 | 0:59.969 | 0:59.892 | 124.42 | |
| 21 | 53 | Naoji YAMAZAKI | Kawasaki | 0:59.907 | 1:00.248 | 0:59.907 | 124.39 | |
| 22 | 48 | Takayuki SUZUKI | Honda | 1:00.562 | 1:00.084 | 1:00.084 | 124.03 | |
| 23 | 41 | Jun'ichi KATO | Yamaha | 1:00.168 | 1:00.149 | 1:00.149 | 123.89 | |
| 24 | 38 | Ken'ichiro NAKAMURA | Honda | 1:00.855 | 1:00.165 | 1:00.165 | 123.86 | |
| 25 | 86 | Katsuteru HAYASHI | Yamaha | 1:00.402 | 1:00.220 | 1:00.220 | 123.75 | |
| 26 | 88 | Hiroshi MARUYAMA | Honda | 1:00.946 | 1:00.424 | 1:00.424 | 123.33 | |
| 27 | 31 | Hideo SENMYO | Honda | 1:00.689 | 1:00.457 | 1:00.457 | 123.26 | |
| 28 | 71 | Katsuhito KOSHIYAMA | Honda | 1:00.582 | 1:00.554 | 1:00.554 | 123.06 | |
| 29 | 73 | Koji KINOSHITA | Honda | 1:01.209 | 1:00.570 | 1:00.570 | 123.03 | |
| 30 | 89 | Ken'ichi SHIMODA | Kawasaki | 1:00.570 | 1:00.934 | 1:00.570 | 123.03 | |
| 31 | 87 | Hidetaka NOJIMA | Yamaha | 1:00.670 | 1:01.057 | 1:00.670 | 122.83 | |
| 32 | 60 | Toshitake MATSUSHITA | Kawasaki | 1:00.698 | 1:01.012 | 1:00.698 | 122.77 | |
| 33 | 63 | Ryuichi OSAKI | Suzuki | 1:00.779 | 1:01.105 | 1:00.779 | 122.61 | |
| (34) | 56 | Hitoshi TANIGUCHI | Yamaha | 1:00.800 | 1:00.894 | 1:00.800 | 122.57 | |
| (35) | 28 | Masayuki YAMANAKA | Ducati | 1:00.936 | 1:01.093 | 1:00.936 | 122.29 | |
| (36) | 43 | Yasuhiro ONODERA | Ducati | 1:01.090 | 1:01.047 | 1:01.047 | 122.07 | |
| (37) | 80 | S-NK | Seiji KAMINAKA | Suzuki | 1:01.520 | 1:01.753 | 1:01.520 | 121.13 |
| (38) | 64 | Hidenori MAESOBA | Honda | 1:01.686 | 1:02.429 | 1:01.686 | 120.81 | |
| (39) | 78 | Masakatsu MURAKAMI | Yamaha | 1:02.019 | 1:01.849 | 1:01.849 | 120.49 | |
| (40) | 84 | Yasushi SEKIDO | Yamaha | 1:02.241 | 1:01.971 | 1:01.971 | 120.25 | |
| (41) | 76 | S-NK | Noriyuki ARA | Kawasaki | 1:06.720 | 1:05.553 | 1:05.553 | 113.68 |
1998-09-18 to 1998-09-20
Tsukuba Superbike Race
Tsukuba (Permanent circuit, 2.0700 km)
Attendance: 13,600
Entries: 47 / Practised: 41 / Qualified: 32
Sessions
Overall qualifying
Results
Submit additional info
Positions in parentheses denote riders who either did not receive a grid space, failed to meet qualifying requirements or withdrew after qualifying.
Sources:
Official entry list/ Official program/ Official grid sheet/ MotorLand2 TV coverage/ MFJ Magazine No. 352 1999-01 pg60-62/ asahi-net.or.jp/~hi2m-msn/ bike.ne.jp/ europark.com/ honda.co.jp/motorsports/ motoracing-japan.com