The 1987 Portuguese motorcycle Grand Prix was the thirteenth round of the 1987 Grand Prix motorcycle racing season. It took place on the weekend of 12–13 September 1987 at the Circuito Permanente Del Jarama.

Classification 500 cc Pos. Rider Team Manufacturer Time/Retired Points 1 Eddie Lawson Marlboro Yamaha Team Agostini Yamaha 55'20.650 15 2 Randy Mamola Team Lucky Strike Roberts Yamaha +9.310 12 3 Kevin Magee Yamaha Roberts Yamaha +9.720 10 4 Wayne Gardner Rothmans Honda Team Honda +19.250 8 5 Christian Sarron Sonauto Gauloises Jack Germain Yamaha +41.700 6 6 Niall Mackenzie Team HRC Honda +1'02.390 5 7 Pierfrancesco Chili HB Honda Gallina Team Honda +1'14.390 4 8 Shunji Yatsushiro Rothmans Honda Team Honda +1'26.940 3 9 Ron Haslam Team ROC Elf Honda Honda +1 lap 2 10 Gustav Reiner Team Hein Gericke Honda +1 lap 1 11 Bruno Kneubühler Honda +1 lap 12 Wolfgang Von Muralt Suzuki +1 lap 13 Ray Swann Honda +1 lap 14 Simon Buckmaster Honda +1 lap 15 Hennie Boerman Racing Team Docshop Honda +2 laps 16 Ian Pratt Suzuki +3 laps 17 Gerhard Vogt Suzuki +4 laps 18 Vincenzo Cascino Suzuki +5 laps Ret Didier de Radiguès Cagiva-Bastos-Alstare Cagiva Retired Ret Rob McElnea Marlboro Yamaha Team Agostini Yamaha Accident Ret Larry Moreno Vacondio Suzuki Retired Ret Roger Burnett Rothmans Honda Team Honda Retired Ret Raymond Roche Cagiva-Bastos-Alstare Cagiva Accident Ret Alessandro Valesi Honda Retired Ret Marco Gentile Fior Fior Retired Ret Christopher Bürki Honda Retired Ret Fabio Barchitta Honda Retired Ret Fabio Biliotti Honda Retired Ret Mike Baldwin Team Lucky Strike Roberts Yamaha Retired Ret Tadahiko Taira Marlboro Yamaha Team Agostini Yamaha Accident Ret Hervé Guilleux Fior Accident Ret Daniel Vila Amatriain Honda Retired Ret Tony Carey Suzuki Retired DNS Maarten Duyzers Honda Did not start Sources:

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