1981 All Japan F2 Championship
Race schedule
| Round | Schedule | Name of The Event | Circuit | Scheduled Race Distance | Entered | Praciticed | Started | Classified | Attendance |
| 1 | 7 - 8 March | All Japan Big2&4 Race | Suzuka Circuit | 6.004km＊30Laps=180.120km | 13 | 12 | 11 | 8 | 57,000 |
| 2 | 30 - 31 May | Suzuka Formula Japan Jidousya Race | Suzuka Circuit | 6.004km＊30Laps=180.120km | 12 | 12 | 12 | 11 | 55,000 |
| 3 | 4 - 5 July | Suzuka Golden Trophy Jidousya Race | Suzuka Circuit | 6.004km＊30Laps=180.120km | 14 | 14 | 13 | 11 | 35,000 |
| 4 | 26 - 27 September | Suzuka Great20 Racers' Jidousya Race | Suzuka Circuit | 6.004km＊30Laps=180.120km | 13 | 12 | 12 | 10 | 38,000 |
| 5 | 30 October - 1 November | JAF Suzuka Grand Prix | Suzuka Circuit | 6.004km＊35Laps=210.140km | 17 | 17 | 17 | 13 | 83,000 |
Entry list
| No. | Driver | Birthdate | Nationality | Team | Car | Engine | Engine Tuner | Tyre | Sponsor | Color | 1 | 2 | 3 | 4 | 5 | Log |
| 2 | Rad Dougall | 1951/9/7 | ZA | Hachimonjiya Speedbox Team | March802 | BMW M12/7 | Itou | Dunlop | FORMULA | white | 〇 | 04 | ||||
| 2 | Stefan Johansson | 1956/9/8 | S | Hachimonjiya Speedbox Team | March802 | BMW M12/7 | Itou | Dunlop | Tombow | white | 〇 | ▲ | 04 | |||
| 2 | Roberto Guerrero | 1958/11/16 | COL | Hachimonjiya Speedbox Team | March802 | BMW M12/7 | Toumei Jidousya | Dunlop | PIAA | white | 〇 | 04 | ||||
| 2 | Eje Elgh | 1953/6/15 | S | Harada Racing Company | Maurer MM81 | BMW M12/7 | Toumei Jidousya | Bridgestone | Kawaguchiko Jidousya Hakubutsukan | yellow | 〇 | |||||
| 3 | Kazuyoshi Hoshino | 1947/7/1 | J | Heroes Racing Corporation | Lola T850 | BMW M12/7 | Matsuura | Bridgestone | PENTAX | white/red/black | 〇 | 〇 | 〇 | 〇 | 〇 | HU1 |
| 3 | Kazuyoshi Hoshino | 1947/7/1 | J | Heroes Racing Corporation | March802 | BMW M12/7 | Matsuura | Bridgestone | PENTAX | white/red/black | △ | 09 | ||||
| 5 | Naohiro Fujita | 1948/4/3 | J | Speed Star Wheel Racing Team | March812 | BMW M12/7 | Ogawa | Dunlop | Sagawa Kyuubin | yellow/blue/red | 〇 | 〇 | 〇 | 〇 | 〇 | 11 |
| 6 | Naoki Nagasaka | 1953/4/24 | J | Speed Star Wheel Racing Team | March802 | BMW M12/7 | Ogawa | Dunlop | Speed Star Wheel | silver/navy blue | 〇 | 16 | ||||
| 6 | Motoharu Kurosawa | 1940/8/6 | J | Speed Star Wheel Racing Team | March802 | BMW M12/7 | Ogawa | Dunlop | Speed Star Wheel | silver/navy blue | 〇 | 〇 | 〇 | 〇 | 09 | |
| 7 | Teo Fabi | 1955/3/9 | I | Walter Wolf Racing Japan | March802 | BMW M12/7 | Rosche | Bridgestone | Walter Wolf Racing | black/gold | 〇 | 05 | ||||
| 7 | Tierry Boutsen | 1957/7/13 | B | Walter Wolf Racing Japan | March802 | BMW M12/7 | Rosche | Bridgestone | JUSCO | black/gold | 〇 | 05 | ||||
| 7 | Stefan Johansson | 1956/9/8 | S | Walter Wolf Racing Japan | March802 | BMW M12/7 | Rosche | Bridgestone | Feroce | black/gold | 〇 | 05 | ||||
| 7 | Eje Elgh | 1953/6/15 | S | Racingmate Project Team | March802 | BMW M12/7 | Toumei Jidousya | Bridgestone | seelex | white/red | 〇 | |||||
| 7 | Stefan Johansson | 1956/9/8 | S | Racingmate Project Team | March802 | BMW M12/7 | Rosche | Bridgestone | adidas | white/red | 〇 | |||||
| 8 | Keiji Matsumoto | 1949/12/26 | J | DHL Team LEI | March802 | BMW M12/7 | Matsuura | Dunlop | DHL | white/brown/red | 〇 | 〇 | 〇 | 〇 | 〇 | 03 |
| 9 | Tierry Boutsen | 1957/7/13 | B | Racingmate Project Team | March812 | BMW M12/7 | Rosche | Bridgestone | seelex | white/red | 〇 | 03 | ||||
| 10 | Tierry Boutsen | 1957/7/13 | B | Racingmate Project Team | March812 | BMW M12/7 | Rosche | Bridgestone | seelex | white/red | 〇 | 01 | ||||
| 10 | Philippe Streiff | 1955/6/26 | F | Unico Racing | AGS JH18 | BMW M12/7 | Itou | Dunlop | MOTUL | white/red/blue | 〇 | 024 | ||||
| 11 | Masahiro Hasemi | 1945/11/13 | J | Tomy Racing Team | March802 | BMW M12/7 | Matsuura | Bridgestone | Tomica | white/orange/red | 〇 | 〇 | 〇 | 〇 | 〇 | 10 |
| 14 | Geoff Lees | 1951/5/1 | GB | Ralt Racing Development | Ralt RH6/81 | Honda RA261E | Bridgestone | - | green/white | 〇 | RH6-81-1 | |||||
| 15 | Mike Thackwell | 1961/3/30 | NZ | Ralt Racing Development | Ralt RH6/81 | Honda RA261E | Bridgestone | - | green/white | 〇 | RH6-81-2 | |||||
| 16 | Mike Thackwell | 1961/3/30 | NZ | KK Supersport | March812 | Honda RA261E | Bridgestone | - | white/blue | 〇 | 04 | |||||
| 20 | Yorihisa Asai | 1949/9/24 | J | Team Equip | March802 | BMW M12/7 | Toda | Dunlop | Equip | yellow/black | 〇 | 〇 | 〇 | 〇 | 〇 | 01 |
| 23 | Richard Thomas Geck | 1947/3/2 | USA | Richard Thomas Geck | March782 | BMW M12/7 | Matsuura | Dunlop | ▲ | 8 | ||||||
| 24 | Kenji Takahashi | 1946/5/18 | J | Toumei Jidousya | March802 | BMW M12/7 | Toumei Jidousya | Yokohama | ADVAN | black/red | 〇 | 〇 | 〇 | 〇 | 〇 | 23 |
| 25 | Kunimitsu Takahashi | 1940/1/29 | J | Suzuki Racing | Toleman TG280 | Hart420R | Tsuchiya | Yokohama | ADVAN | black/red | 〇 | 〇 | 〇 | 〇 | 〇 | 07 |
| 25 | Kunimitsu Takahashi | 1940/1/29 | J | Suzuki Racing | Toleman TG280 | Hart420R | Tsuchiya | Yokohama | ADVAN | black/red | △ | 06 | ||||
| 26 | Huub Rothengatter | 1954/10/8 | NL | Suzuki Racing | Toleman TG280 | Hart420R | Tsuchiya | Yokohama | ADVAN | black/red | 〇 | |||||
| 26 | Derek Warwick | 1954/8/27 | GB | Suzuki Racing | Toleman TG280 | Hart420R | Itou | Yokohama | ADVAN | black/red | ▲ | |||||
| 26 | Kenneth Acheson | 1957/11/27 | GB | Suzuki Racing | Toleman TG280 | Hart420R | Tsuchiya | Yokohama | ADVAN | black/red | 〇 | |||||
| 37 | Satoru Nakajima | 1953/2/23 | J | I&I Racing Development | Ralt RH6 | Honda RA261E | Bridgestone | Canon | white | 〇 | RH6-80-2 | |||||
| 37 | Satoru Nakajima | 1953/2/23 | J | I&I Racing Development | March812 | Honda RA261E | Bridgestone | Canon | white | 〇 | 〇 | 〇 | 〇 | 12 | ||
| 66 | Yoshiyuki Ogura | 1948/3/18 | J | Ogura Racing | March782 | BMW M12/7 | Toda | Bridgestone | Valvoline | white/green | 〇 | 〇 | 〇 | 〇 | ||
| 66 | Yoshiyuki Ogura | 1948/3/18 | J | Ogura Racing | March782 | BMW M12/7 | Toda | Bridgestone | PROSHOP OGATA | white/green | 〇 |
Race summary
| Winner | Pole Position | Fastest Lap | Win | PP | FL | |||||||||||
| Round | Driver | Car | Engine | Tyre | Driver | Car | Engine | Tyre | Driver | Car | Engine | Tyre | Satoru Nakajima | 2 | 0 | 1 |
| 1 | Keiji Matsumoto | March802 | BMW | DL | Keiji Matsumoto | March802 | BMW | DL | Teo Fabi | March802 | BMW | BS | Keiji Matsumoto | 1 | 2 | 1 |
| 2 | Naohiro Fujita | March812 | BMW | DL | Kazuyoshi Hoshino | Lola T850 | BMW | BS | Naohiro Fujita | March812 | BMW | DL | Kazuyoshi Hoshino | 1 | 2 | 0 |
| 3 | Kazuyoshi Hoshino | Lola T850 | BMW | BS | Kazuyoshi Hoshino | Lola T850 | BMW | BS | Keiji Matsumoto | March802 | BMW | DL | Naohiro Fujita | 1 | 0 | 1 |
| 4 | Satoru Nakajima | March812 | Honda | BS | Keiji Matsumoto | March802 | BMW | DL | Satoru Nakajima | March812 | Honda | BS | Eje Elgh | 0 | 1 | 0 |
| 5 | Satoru Nakajima | March812 | Honda | BS | Eje Elgh | Maurer MM81 | BMW | BS | Tierry Boutsen | March812 | BMW | BS | Teo Fabi | 0 | 0 | 1 |
| Tierry Boutsen | 0 | 0 | 1 |
Drivers' summary
| 1 | 2 | 3 | 4 | 5 | Qualifying | Qualifying | Race | Race | Point Earnings | Podium | |||||||
| Position | Driver | Q | R | Q | R | Q | R | Q | R | Q | R | Highest position | Average | Highest position | Average | Number | Number |
| 1 | Satoru Nakajima | 3 | 3 | 2 | 2 | 13 | 3 | 2 | 1 | 3 | 1 | 2 | 4.60 | 1 | 2.00 | 5 | 5 |
| 2 | Kazuyoshi Hoshino | 2 | 2 | 1 | 10 | 1 | 1 | 4 | 3 | 10 | R | 1 | 3.60 | 1 | 4.00 | 4 | 3 |
| 3 | Naohiro Fujita | 4 | 6 | 5 | 1 | 9 | 5 | 3 | 5 | 8 | R | 3 | 5.80 | 1 | 4.25 | 4 | 1 |
| 4 | Keiji Matsumoto | 1 | 1 | 4 | 11 | 2 | 2 | 1 | 9 | 5 | R | 1 | 2.60 | 1 | 5.75 | 3 | 2 |
| 5 | Stefan Johansson | 11 | 5 | 3 | 4 | NA | 11 | 3 | 3 | 8.33 | 3 | 4.00 | 3 | 1 | |||
| 6 | Kenji Takahashi | 6 | 8 | 3 | 9 | 5 | 8 | 5 | 2 | 15 | 6 | 3 | 6.80 | 2 | 6.60 | 5 | 1 |
| 7 | Tierry Boutsen | 6 | 7 | 7 | 6 | 7 | 2 | 6 | 6.67 | 2 | 5.00 | 3 | 1 | ||||
| 8 | Kunimitsu Takahashi | 8 | 5 | 8 | 4 | 10 | 10 | 6 | 10 | 4 | 8 | 4 | 7.20 | 4 | 7.40 | 5 | 0 |
| 9 | Masahiro Hasemi | 9 | 7 | 7 | R | 4 | 7 | 8 | 4 | 9 | 7 | 4 | 7.40 | 4 | 6.25 | 4 | 0 |
| 10 | Motoharu Kurosawa | 10 | 6 | 8 | 9 | 7 | 8 | 14 | 5 | 7 | 9.75 | 5 | 7.00 | 4 | 0 | ||
| 11 | Yorihisa Asai | 11 | R | 9 | 3 | 11 | R | 11 | 6 | 16 | 12 | 9 | 11.60 | 3 | 7.00 | 2 | 1 |
| 12 | Geoff Lees | 2 | 4 | 2 | 2.00 | 4 | 4.00 | 1 | 0 | ||||||||
| 12 | Teo Fabi | 7 | 4 | 7 | 7.00 | 4 | 4.00 | 1 | 0 | ||||||||
| 14 | Eje Elgh | 9 | 7 | 1 | 9 | 1 | 5.00 | 7 | 8.00 | 2 | 0 | ||||||
| 15 | Yoshiyuki Ogura | 12 | R | 12 | 8 | 14 | R | 12 | R | 17 | R | 12 | 13.40 | 8 | 8.00 | 1 | 0 |
| 16 | Mike Thackwell | 6 | 11 | 6 | 10 | 6 | 6.00 | 10 | 10.50 | 1 | 0 | ||||||
| Philippe Streiff | 13 | 11 | 13 | 13.00 | 11 | 11.00 | 0 | 0 | |||||||||
| Naoki Nagasaka | 5 | R | 5 | 5.00 | 0 | 0 | |||||||||||
| Huub Rothengatter | 10 | R | 10 | 10.00 | 0 | 0 | |||||||||||
| Kenneth Acheson | 12 | R | 12 | 12.00 | 0 | 0 | |||||||||||
| Rad Dougall | 10 | NS | 10 | 10.00 | |||||||||||||
| Roberto Guerrero | 12 | NS | 12 | 12.00 | |||||||||||||
| Richard Thomas Geck | NA | ||||||||||||||||
| Derek Warwick | EW |
Drivers' point standings
| Position | Driver | 1 | 2 | 3 | 4 | 5 | Total | Position | Point | |
| 1 | Satoru Nakajima | 12 | 15 | 12 | 20 | 20 | 79 | 1 | 20 | |
| 2 | Kazuyoshi Hoshino | 15 | 1 | 20 | 12 | 0 | 48 | 2 | 15 | |
| 3 | Naohiro Fujita | 6 | 20 | 8 | 8 | 0 | 42 | 3 | 12 | |
| 4 | Keiji Matsumoto | 20 | 0 | 15 | 2 | 0 | 37 | 4 | 10 | |
| 5 | Stefan Johansson | - | 8 | 10 | - | 12 | 30 | 5 | 8 | |
| 6 | Kenji Takahashi | 3 | 2 | 3 | 15 | 6 | 29 | 6 | 6 | |
| 7 | Tierry Boutsen | - | 4 | 6 | - | 15 | 25 | 7 | 4 | |
| 8 | Kunimitsu Takahashi | 8 | 10 | 1 | 1 | 3 | 23 | 8 | 3 | |
| 9 | Masahiro Hasemi | 4 | 0 | 4 | 10 | 4 | 22 | 9 | 2 | |
| 10 | Motoharu Kurosawa | - | 6 | 2 | 3 | 8 | 19 | 10 | 1 | |
| 11 | Yorihisa Asai | 0 | 12 | 0 | 6 | 0 | 18 | |||
| 12 | Geoff Lees | - | - | - | - | 10 | 10 | |||
| 12 | Teo Fabi | 10 | - | - | - | - | 10 | |||
| 14 | Eje Elgh | - | - | - | 4 | 2 | 6 | |||
| 15 | Yoshiyuki Ogura | 0 | 3 | 0 | 0 | 0 | 3 | |||
| 16 | Mike Thackwell | - | - | 0 | - | 1 | 1 |
Drivers' point standings for Suzuka F2 Championship
| Position | Driver | 1 | 2 | 3 | 4 | 5 | Total | Position | Point | |
| 1 | Satoru Nakajima | 12 | 15 | 12 | 20 | 20 | 79 | 1 | 20 | |
| 2 | Kazuyoshi Hoshino | 15 | 1 | 20 | 12 | 0 | 48 | 2 | 15 | |
| 3 | Naohiro Fujita | 6 | 20 | 8 | 8 | 0 | 42 | 3 | 12 | |
| 4 | Keiji Matsumoto | 20 | 0 | 15 | 2 | 0 | 37 | 4 | 10 | |
| 5 | Stefan Johansson | - | 8 | 10 | - | 12 | 30 | 5 | 8 | |
| 6 | Kenji Takahashi | 3 | 2 | 3 | 15 | 6 | 29 | 6 | 6 | |
| 7 | Tierry Boutsen | - | 4 | 6 | - | 15 | 25 | 7 | 4 | |
| 8 | Kunimitsu Takahashi | 8 | 10 | 1 | 1 | 3 | 23 | 8 | 3 | |
| 9 | Masahiro Hasemi | 4 | 0 | 4 | 10 | 4 | 22 | 9 | 2 | |
| 10 | Motoharu Kurosawa | - | 6 | 2 | 3 | 8 | 19 | 10 | 1 | |
| 11 | Yorihisa Asai | 0 | 12 | 0 | 6 | 0 | 18 | |||
| 12 | Geoff Lees | - | - | - | - | 10 | 10 | |||
| 12 | Teo Fabi | 10 | - | - | - | - | 10 | |||
| 14 | Eje Elgh | - | - | - | 4 | 2 | 6 | |||
| 15 | Yoshiyuki Ogura | 0 | 3 | 0 | 0 | 0 | 3 | |||
| 16 | Mike Thackwell | - | - | 0 | - | 1 | 1 |
Completion rate
| Round | 1 | 2 | 3 | 4 | 5 | Total | Completion Rate | Race Distance | ||
| Length | 6.004 | 6.004 | 6.004 | 6.004 | 6.004 | |||||
| Laps | 30 | 30 | 30 | 30 | 35 | 155 | ||||
| Position | Driver | Race Distance | 180.120 | 180.120 | 180.120 | 180.120 | 210.140 | 930.620 | ||
| 1 | Satoru Nakajima | 30 | 30 | 30 | 30 | 35 | 155 | 100.0% | 930.620 | |
| 2 | Kazuyoshi Hoshino | 30 | 27 | 30 | 30 | 19 | 136 | 87.7% | 816.544 | |
| 3 | Naohiro Fujita | 30 | 30 | 30 | 30 | 1 | 121 | 78.1% | 726.484 | |
| 4 | Keiji Matsumoto | 30 | 21 | 30 | 30 | 25 | 136 | 87.7% | 816.544 | |
| 5 | Stefan Johansson | 30 | 30 | 35 | 95 | 61.3% | 570.380 | |||
| 6 | Kenji Takahashi | 26 | 28 | 30 | 30 | 35 | 149 | 96.1% | 894.596 | |
| 7 | Tierry Boutsen | 30 | 30 | 35 | 95 | 61.3% | 570.380 | |||
| 8 | Kunimitsu Takahashi | 30 | 30 | 29 | 28 | 35 | 152 | 98.1% | 912.608 | |
| 9 | Masahiro Hasemi | 30 | 14 | 30 | 30 | 35 | 139 | 89.7% | 834.556 | |
| 10 | Motoharu Kurosawa | 30 | 29 | 30 | 35 | 124 | 80.0% | 744.496 | ||
| 11 | Yorihisa Asai | 14 | 30 | 1 | 30 | 29 | 104 | 67.1% | 624.416 | |
| 12 | Geoff Lees | 35 | 35 | 22.6% | 210.140 | |||||
| 12 | Teo Fabi | 30 | 30 | 19.4% | 180.120 | |||||
| 14 | Eje Elgh | 30 | 34 | 64 | 41.3% | 384.256 | ||||
| 15 | Yoshiyuki Ogura | 9 | 29 | 18 | 1 | 11 | 68 | 43.9% | 408.272 | |
| 16 | Mike Thackwell | 25 | 34 | 59 | 38.1% | 354.236 | ||||
| Philippe Streiff | 32 | 32 | 20.6% | 192.128 | ||||||
| Naoki Nagasaka | 19 | 19 | 12.3% | 114.076 | ||||||
| Huub Rothengatter | 6 | 6 | 3.9% | 36.024 | ||||||
| Kenneth Acheson | 17 | 17 | 11.0% | 102.068 |
