compression ratio Peugeot Boxer 2020 Инструкция по эксплуатации (in Russian)
Nothing was found :-(
Try to search something different in this manual:
  TPMS, low beam, tyre pressure, remote control, USB port, odometer, reset infotainment system, fog light  
Popular in this manual:
traction control, service, airbag off, stop start, ABS, sensor, USB, AUX, set clock, headlamp, lights, lock, park assist, language, bluetooth, airbag, radio, navigation, light, display, navigation update, ad blue
Or view whole manual here:
