Cylinder Kit 50Cc Nk103.17Cylinder Kit 50cc for Piaggio Derbi engine D50B0 Euro 4Top quality cylinder kit by Naraku To be used for all D50B engines Euro 3 and Euro 4 The color of the cylinder is identical to the cylinder color of Euro 4 models from year 2018 up Till year 2017 the Euro 3 models use a technically identical but silver colored cylinder kit Both cylinder kits can be used on all years of construction Extra special attention has been paid to the piston quality The