The 1985 Japanese Formula Two Championship was contested over 8 rounds. 15 teams, 23 drivers, 5 chassis and 3 engines competed.
| Team | Driver | Chassis | Engine | Rounds | ||
|---|---|---|---|---|---|---|
| Heros Racing | 1 |  Satoru Nakajima | March 85J | Honda | All | |
| Hoshino Racing | 2 | Kazuyoshi Hoshino | March 85J | Honda | All | |
| Speed Star Wheel Racing Team | 3 |  Eje Elgh | March 842 | BMW | 1-3 | |
| Yoshiyasu Tachi | March 842 | 4-8 | ||||
| 5 | Masahiro Hasemi | March 85J | All | |||
| 6 | Yoshiyasu Tachi | March 85J | Honda | 1-3 | ||
| Eje Elgh | March 85J | 4-8 | ||||
| Takuya Racing | 7 |  Geoff Lees | March 85J | Yamaha | All | |
| Team LeMans | 8 | Keiji Matsumoto | March 85J | BMW | 1-4 | |
| Yamaha | 5-8 | |||||
| Gear Racing | 9 | Akio Morimoto | March 842 | BMW | 1-5, 7 | |
| Team Nova | 10 |  Roberto Moreno | March 842 | Honda | 4-8 | |
| 11 | Kenny Acheson | March 85J | All | |||
| Team Equipe | 12 | Kengo Nakamoto | Maurer MM81 | BMW | 7-8 | |
| Tomei Racing | 16 | Akira Hagiwara | March 85J | BMW | All | |
| Takeshi Project Racing | 17 | Hideshi Matsuda | March 832 | BMW | All | |
| Maribu Motorsport | 18 | Hironobu Tatsumi | Ralt RH6/84 | BMW | 1 | |
| Norimasa Sakamoto | Ralt RH6/84 | 4 | ||||
| Osamu Nakako | Ralt RH6/84 | 5-8 | ||||
| Advan Sports Tomei | 24 | Kenji Takahashi | March 85J | BMW | 1-2, 4-8 | |
| 26 | Takao Wada | March 842 | BMW | 1-2, 4-8 | ||
| Advan Sports Nova | 25 | Kunimitsu Takahashi | March 85J | BMW | 1-2, 4-8 | |
| Shimizu Racing | 33 | Masatomo Shimizu | Ralt RH6/84 | BMW | 1 | |
| March 842 | 4-5, 7-8 | |||||
| NC Speed | 34 | Aguri Suzuki | March 842 | BMW | 6-8 |
| Date | Round | Circuit | Winning driver | Winning team | Winning car |
|---|---|---|---|---|---|
| 10/03/85 | Rd.1 | Suzuka | Keiji Matsumoto | Team LeMans | March-BMW 85J |
| 21/04/85 | Rd.2 | Fuji | Satoru Nakajima | Heros Racing | March-Honda 85J |
| 12/05/85 | Rd.3 | Mine | Satoru Nakajima | Heros Racing | March-Honda 85J |
| 26/05/85 | Rd.4 | Suzuka | Satoru Nakajima | Heros Racing | March-Honda 85J |
| 06/07/86 | Rd.5 | Suzuka | Kazuyoshi Hoshino | Hoshino Racing | March-Honda 85J |
| 11/08/85 | Rd.6 | Fuji | Kenny Acheson | Team Nova | March-Honda 85J |
| 29/09/85 | Rd.7 | Suzuka | Satoru Nakajima | Heros Racing | March-Honda 85J |
| 03/11/85 | Rd.8 | Suzuka | Satoru Nakajima | Heros Racing | March-Honda 85J |
For every race points were awarded: 20 points to the winner, 15 for runner-up, 12 for third place, 10 for fourth place, 8 for fifth place, 6 for sixth place, 4 for seventh place, 3 for eighth place, 2 for ninth place and 1 for tenth place. No additional points were awarded. The best six results count.
| Place | Name | Country | Team | Chassis | Engine | | | | | | | | | Total Points | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Satoru Nakajima | Heros Racing | March | Honda | 15 | 20 | 20 | 20 | 15 | 15 | 20 | 20 | 115 | ||
| 2 | Keiji Matsumoto | Team LeMans | March | BMW | 20 | 6 | - | 12 | 67 | ||||||
| Team LeMans | March | Yamaha | 2 | 6 | 8 | 15 | |||||||||
| 3 | Kenny Acheson | Team Nova | March | Honda | 10 | 12 | 6 | - | 8 | 20 | 10 | 3 | 66 | ||
| 4 | Kazuyoshi Hoshino | Hoshino Racing | March | Honda | 1 | 15 | 15 | - | 20 | - | - | - | 51 | ||
| 5 | Eje Elgh | Speed Star Wheel Racing Team | March | BMW | 12 | 1 | - | 49 | |||||||
| Speed Star Wheel Racing Team | March | Honda | 8 | 12 | - | 6 | 10 | ||||||||
| 6 | Geoff Lees | Takuya Racing | March | Yamaha | - | - | 12 | - | 6 | - | 12 | 12 | 42 | ||
| 7 | Akira Hagiwara | Tomei Racing | March | BMW | 8 | 10 | 4 | 10 | - | - | 4 | 4 | 40 | ||
| 8 | Masahiro Hasemi | Speed Star Wheel Racing Team | March | BMW | 3 | - | 10 | 15 | 4 | 3 | - | 2 | 37 | ||
| 9 | Kenji Takahashi | Advan Sports Tomei | March | BMW | 8 | 10 | - | 3 | 12 | 2 | 6 | 37 | |||
| 10 | Yoshiyasu Tachi | Speed Star Wheel Racing Team | March | Honda | - | 4 | - | 26 | |||||||
| Speed Star Wheel Racing Team | March | BMW | 4 | 10 | 8 | - | - | ||||||||
| 11 | Roberto Moreno | Team Nova | March | Honda | 6 | - | - | 15 | - | 21 | |||||
| 12 | Takao Wada | Advan Sports Tomei | March | BMW | 4 | 3 | - | - | 10 | 1 | - | 18 | |||
| 13 | Kunimitsu Takahashi | Advan Sports Nova | March | BMW | 2 | - | 3 | - | 4 | - | 8 | 17 | |||
| 14 | Akio Morimoto | Gear Racing | March | BMW | - | 2 | 8 | - | - | - | 10 | ||||
| 15 | Hideshi Matsuda | Takeshi Project Team | March | BMW | - | - | 3 | - | - | 1 | - | - | 4 | ||
| 16 | Aguri Suzuki | NC Speed | Lola | BMW | 3 | 1 | 4 | ||||||||
| 17 | Osamu Nakako | Maribu Motorsport | Ralt | BMW | 1 | 2 | - | - | 3 | ||||||
| 18 | Masatomo Shimizu | Shimizu Racing | Ralt | BMW | - | 2 | |||||||||
| Shimizu Racing | March | BMW | 2 | - | - | - | |||||||||
| 19 | Norimasa Sakamoto | Maribu Motorsport | Ralt | BMW | 1 | 1 |
R=retired NC=not classified DNS=did not start
| Place | Name | Country | Team | Chassis | Engine | | | | | | | | | |
| 1 | Satoru Nakajima | Heros Racing | March | Honda | 2 | 1 | 1 | 1 | 2 | 2 | 1 | 1 | ||
| 2 | Keiji Matsumoto | Team LeMans | March | BMW | 1 | 6 | R | 3 | ||||||
| Team LeMans | March | Yamaha | 9 | 5 | 6 | 2 | ||||||||
| 3 | Kenny Acheson | Team Nova | March | Honda | 4 | 3 | 6 | R | 3 | 2 | 12 | 3 | ||
| 4 | Kazuyoshi Hoshino | Hoshino Racing | March | Honda | 10 | 2 | 2 | DNS | 1 | 11 | 14 | DNS | ||
| 5 | Eje Elgh | Speed Star Wheel Racing Team | March | BMW | 3 | 10 | R | |||||||
| Speed Star Wheel Racing Team | March | Honda | 5 | 3 | R | 6 | 4 | |||||||
| 6 | Geoff Lees | Takuya Racing | March | Yamaha | R | R | 3 | 11 | 6 | R | 3 | 3 | ||
| 7 | Akira Hagiwara | Tomei Racing | March | BMW | 5 | 4 | 7 | 4 | DNS | 12 | 7 | 7 | ||
| 8 | Masahiro Hasemi | Speed Star Wheel Racing Team | March | BMW | 8 | R | 4 | 2 | 7 | 8 | 11 | 9 | ||
| 9 | Kenji Takahashi | Advan Sports Tomei | March | BMW | 6 | 5 | R | 8 | 3 | 9 | 6 | |||
| 10 | Yoshiyasu Tachi | Speed Star Wheel Racing Team | March | Honda | R | 7 | R | |||||||
| Speed Star Wheel Racing Team | March | BMW | 7 | 4 | 5 | R | 13 | |||||||
| 11 | Roberto Moreno | Team Nova | March | Honda | 6 | R | R | 2 | R | |||||
| 12 | Takao Wada | Advan Sports Tomei | March | BMW | 7 | 8 | R | R | 4 | 10 | R | |||
| 13 | Kunimitsu Takahashi | Advan Sports Nova | March | BMW | 9 | 11 | 8 | R | 7 | 12 | 5 | |||
| 14 | Akio Morimoto | Gear Racing | March | BMW | 11 | 9 | 5 | NC | 11 | R | ||||
| 15 | Hideshi Matsuda | Takeshi Project Team | March | BMW | R | 12 | 8 | 12 | R | 10 | R | R | ||
| 16 | Aguri Suzuki | NC Speed | Lola | BMW | 8 | 10 | ||||||||
| 17 | Osamu Nakako | Maribu Motorsport | Ralt | BMW | 10 | 9 | R | R | ||||||
| 18 | Masatomo Shimizu | Shimizu Racing | Ralt | BMW | 12 | |||||||||
| Shimizu Racing | March | BMW | 9 | 12 | R | 12 | ||||||||
| 19 | Norimasa Sakamoto | Maribu Motorsport | Ralt | BMW | 10 | |||||||||
| - | Kengo Nakamoto | Team Equipe | Maurer | BMW | 13 | 11 | ||||||||
| - | Hironobu Tatsumi | Maribu Motorsport | Ralt | BMW | 13 |