1977 FIM Motocross World Championship
250cc
### 250cc

|Round

Date

Grand Prix

Location

Winner

Team

Report

|  |
| 1 | April 3 |  Spanish Grand Prix | [Sabadell](/wiki/Sabadell "Sabadell") |  Raymond Boven | [Montesa](/wiki/Montesa_Honda "Montesa Honda") | [Report](/wiki/1977_Spanish_Motocross_Grand_Prix "1977 Spanish Motocross Grand Prix") |
| 2 | April 17 |  Swiss Grand Prix | [Payerne](/wiki/Payerne "Payerne") |  [Gennady Moiseyev](/wiki/Gennady_Moiseyev "Gennady Moiseyev") | [KTM](/wiki/KTM "KTM") | [Report](/wiki/1977_Swiss_Motocross_Grand_Prix "1977 Swiss Motocross Grand Prix") |
| 3 | April 24 |  Belgian Grand Prix | [Borgloon](/wiki/Borgloon "Borgloon") |  Gennady Moiseyev | KTM | [Report](/wiki/1977_Belgian_Motocross_Grand_Prix "1977 Belgian Motocross Grand Prix") |
| 4 | April 30 |  Czechoslovakian Grand Prix | [Holice](/wiki/Holice "Holice") |  Antonin Baborowski | [ČZ](/wiki/%C4%8Cesk%C3%A1_Zbrojovka_Strakonice "Česká Zbrojovka Strakonice") | [Report](/wiki/1977_Czechoslovakian_Motocross_Grand_Prix "1977 Czechoslovakian Motocross Grand Prix") |
| 5 | May 8 |  Italian Grand Prix | [Apiro](/wiki/Apiro "Apiro") |  Gennady Moiseyev | KTM | [Report](/wiki/1977_Italian_Motocross_Grand_Prix "1977 Italian Motocross Grand Prix") |
| 6 | May 15 |  Austrian Grand Prix | [Schwanenstadt](/wiki/Schwanenstadt "Schwanenstadt") |  Torao Suzuki | Suzuki | [Report](/wiki/1977_Austrian_Motocross_Grand_Prix "1977 Austrian Motocross Grand Prix") |
| 7 | May 22 |  Russian Grand Prix | [Chișinău](/wiki/Chi%C8%99in%C4%83u "Chișinău") |  Gennady Moiseyev | KTM | [Report](/wiki/1977_Russian_Motocross_Grand_Prix "1977 Russian Motocross Grand Prix") |
| 8 | June 5 |  Yugoslavian Grand Prix | [Karlovac](/wiki/Karlovac "Karlovac") |  Daniel Péan | [Maico](/wiki/Maico "Maico") | [Report](/wiki/1977_Yugoslavian_Motocross_Grand_Prix "1977 Yugoslavian Motocross Grand Prix") |
| 9 | June 19 |  West German Grand Prix | [Beuern](/wiki/Buseck "Buseck") |  [André Malherbe](/wiki/Andr%C3%A9_Malherbe "André Malherbe") | KTM | [Report](/wiki/1977_West_German_Motocross_Grand_Prix "1977 West German Motocross Grand Prix") |
| 10 | June 31 |  British Grand Prix | [Hawkstone Park](/wiki/Hawkstone_Park "Hawkstone Park") |  Gennady Moiseyev | KTM | [Report](/wiki/1977_British_Motocross_Grand_Prix "1977 British Motocross Grand Prix") |
| 11 | August 14 |  Swedish Grand Prix | [Uddevalla](/wiki/Uddevalla "Uddevalla") |  Vladimir Kavinov | KTM | [Report](/wiki/1977_Swedish_Motocross_Grand_Prix "1977 Swedish Motocross Grand Prix") |
| 12 | August 21 |  Finnish Grand Prix | [Hyvinkää](/wiki/Hyvink%C3%A4%C3%A4 "Hyvinkää") |  Gennady Moiseyev | KTM | [Report](/wiki/1977_Finnish_Motocross_Grand_Prix "1977 Finnish Motocross Grand Prix") |
|


How many times did KTM win the constructors' championship in this series?