compression ratio YAMAHA WHY 50 2003 Instructieboekje (in Dutch)
Nothing was found :-(
Try to search something different in this manual:
  winter tyres, key battery, wiper fluid, fog light bulb, differential, service schedule, TPMS reset, MPG  
Popular in this manual:
gas type, ECO mode, open gas tank, ABS, ESP, lock, MPG, ECU, air filter
Or view whole manual here:
