Warning: The data may be inaccurate on machines where the cylinder is slightly offset forward or where the piston pin is slightly off-center!
Here are some bore and connecting rod length specifications:
MBK 51 / MOTOBECANE AV10 stroke 41.8mm et connecting rod 85mm
PEUGEOT 103 stroke 39.1mm et connecting rod 76mm
MBK 40 / MOTOBECANE AV7 stroke 41.8mm et connecting rod 85mm
Minarelli AM6 stroke 39mm et connecting rod 85mm
Minarelli Vertical scooter stroke 39.2mm et connecting rod 80mm
Minarelli Horizontal scooter stroke 39.2mm et connecting rod 80mm
Derbi EURO 2, 3, 4, 5 stroke 40mm et connecting rod 90mm
Scooter PIAGGIO (NRG, TYPHOON...) stroke 39,3mm et connecting rod 80mm
PIAGGIO CIAO stroke 43mm et connecting rod 87mm
HONDA NSR, CRM, RAIDEN... 125 2T stroke 54,5mm et connecting rod 104mm
ROTAX 122 125cc 2T stroke 54.5mm et connecting rod 110mm
ROTAX 123 125cc 2T stroke 54.5mm et connecting rod 110mm
YAMAHA CHAPPY LB 50 stroke 39.7mm et connecting rod 84mm
HONDA MTX et NSR 50 (air cooled) stroke 41.4mm et connecting rod
80mm
YAMAHA DT 50 MX stroke 39.7mm et connecting rod 84mm
Scooter PEUGEOT avant 2006 (TREKKER, TKR, SPEEDFIGHT 2... 50cc) stroke
39.1mm et connecting rod 80mm
Scooter PEUGEOT après 2006 (LUDIX, SPEEDFIGHT 4, ... 50cc) stroke
39.8mm et connecting rod 80mm
PIAGGIO PX 125 2T stroke 57mm et connecting rod 105mm
