1.FEV technology 2.small and light,high reliability 3.proprietary piston ring sealing technique 4.suitable for small boat, 1.This series of diesel engine are developed with AVL 2.fuel consumption indicator is far superior to the other same power products 3.using necking combuston technology,P7100 oil pump;using proprietary piston ring sealing technique,the consumption of lubricate is much lower 4 ...