NARAKU 72cc BIG BORE CYLINDER KIT FOR CHINESE SCOOTERS
THIS KIT HAS A 47mm CYLINDER BORE
UPGRADES TO 72cc
CYLINDER BORE: 47mm
CYLINDER SLEEVE OUTER DIAMETER: 53.1mm
WRIST PIN DIAMETER: 13mm
TOTAL PISTON HEIGHT: 34.1mm
THIS IS A DROP IN CYLINDER KIT, NO CRANK CASE MODIFICATIONS REQUIRED! WHEN USED IN CONJUNCTION WITH A STOCK STROKE OF 41.4mm THE TOTAL DISPLACEMENT COMES OUT TO 72cc.