... of CY4102BQ Model CY4102BQ Type Vertical, in-line, water-cooled, four strokes, natural aspirated No. of cylinder- ... injection, square combustion chamber Compression ratio 17.5:1 Rated power/speed (KW/r/min) 70. ... Oil & fuel consumption percent ratio % ≤1.63 Firing order 1-3-4-2 Emission standard Net weight 330 ... 1.5-3 tons cargo truck, 6-7 m passenger bus ect. CY4102 Vertical, in-line, water-cooled, ...