Engine Displacement Calculator

Enter a number, then press the corresponding button, or enter data directly on the right.

Bore in mm

Stroke in mm

Number of cylinders

Displacement
			cm³
				Début de la lumière en partant du PMH

Engine displacement is the total volume of a motor! For example, in a 2000 cubic centimeter (2.0L) engine, you could fit 2 liters of water if you filled all the cylinders! For this calculation, we need the stroke (the distance the piston travels up and down) and the piston diameter.

MBK 51 / MOTOBECANE AV10 stroke 41.8mm
PEUGEOT 103 stroke 39.1mm
MBK 40 / MOTOBECANE AV7 stroke 41.8mm
Minarelli AM6 stroke 39mm
Minarelli Vertical scooter stroke 39.2mm
Minarelli Horizontal scooter stroke 39.2mm
Derbi EURO 2, 3, 4, 5 stroke 40mm
Scooter PIAGGIO (NRG, TYPHOON...) stroke 39.3mm
PIAGGIO CIAO stroke 43mm
HONDA NSR, CRM, RAIDEN... 125 2T stroke 54.5mm
ROTAX 122 125cc 2T stroke 54.5mm
ROTAX 123 125cc 2T stroke 54.5mm
YAMAHA CHAPPY LB 50 stroke 39.7mm
HONDA MTX et NSR 50 (air cooled) stroke 41.4mm
YAMAHA DT 50 MX stroke 39.7mm
Scooter PEUGEOT before 2006 (TREKKER, TKR, SPEEDFIGHT 2... 50cc) stroke 39.1mm
Scooter PEUGEOT after 2006 (LUDIX, SPEEDFIGHT 4, ... 50cc) stroke 39.8mm
Peugeot Fox stroke 39.1mm
Honda Wallaroo stroke 39.1mm
PIAGGIO PX 125 2T stroke 57mm

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