Model QZ50-25 Portable Gasoline Engine -Centrifugal pump Net weight 16.5kg Inlet diameter 50mm Outlet diameter 50mm Maximum water flow 20M3/H/23M3/H Max suction height 8M Maximum lift 25M/35M Power engine selected WT1E45F-A Engine power 2HP/4000rpm Throttle control style Automatic Fuel tank capacity 2.5L Fuel mixture ratio 35:1(90# gasoline: machine oil special for two-stroke gasoline engines)