PruestelGP 2021 / the bikes


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Jason Dupasquier

Date of Birth7th September 2001
NicknameGazon or Jäzz
Nationality Swiss
LanguagesFR / DE / EN
Moto3 DebutQatar 2020
Weight58 kg
Height168 cm
HobbiesMotorbikes, Squash, Bike and Ice-Hockey

Ryusei Yamanaka

Date of Birth6th November 2001
Nationality Japanese
LanguagesJPN / EN
Moto3 DebutQatar 2019
Weight57 kg
Height170 cm


Technical data moto3

Single-cylinder four-stroke engine with a displacement of 250 cm³, approx. 55 hp at a maximum speed of 14,000 rpm and 6-speed gearbox

  • Prototypen–Chassis
  • Prototype chassis
  • Minimum weight rider + motorcycle: 152 kg
  • a tire supplier and limited number of tires
  • only one motorcycle per rider and event
  • Max. 6 engines for all races of the season
  • The engine and chassis are built by KTM.


On you will find all dates and times for the races.


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