... min.6,Trolling speed-1600--1700 r/min. 7,Maximum fuel consumption-28.0L/h.8,ENGINENumber of cylinders ... ,Spark plug-CR9EB(NGK),Spark plug gap:0.7-0.8mm,Battery capacity-12V,19Ah,Charging system ... nozzle horizontal angle-24+24 degree.10,FUEL AND OILRecommended fuel-Regular unleaded gasoline,Recommended engine oil-SAE ... 10W-30,20W-40,20W-50,Fuel tank capacity-60L,Engine oil quantity(Total amount)- ...