2005 Japanese motorcycle Grand Prix

  2005 Japanese Grand Prix
Race details
Race 12 of 17 races in the
2005 Grand Prix motorcycle racing season
Date18 September 2005
Official nameGrand Prix of Japan
LocationTwin Ring Motegi
Course
  • Permanent racing facility
  • 4.801 km (2.983 mi)
MotoGP
Pole position
Rider Loris Capirossi
Time 1:46.363
Fastest lap
Rider Loris Capirossi
Time 1:47.968 on lap 3
Podium
First Loris Capirossi
Second Max Biaggi
Third Makoto Tamada
250cc
Pole position
Rider Hiroshi Aoyama
Time 1:51.843
Fastest lap
Rider Daniel Pedrosa
Time 1:53.199 on lap 14
Podium
First Hiroshi Aoyama
Second Daniel Pedrosa
Third Casey Stoner
125cc
Pole position
Rider Gábor Talmácsi
Time 1:58.653
Fastest lap
Rider Mateo Túnez
Time 1:59.018 on lap 7
Podium
First Mika Kallio
Second Thomas Lüthi
Third Héctor Faubel

The 2005 Japanese motorcycle Grand Prix was the twelfth round of the 2005 MotoGP Championship. It took place on the weekend of 16–18 September 2005 at the Twin Ring Motegi circuit. In the 250cc class Jorge Lorenzo was handed a 1 race ban for riding in a irresponsible manner.