Pumps Introduction to pump products information. Water Pumps / G series YP20G 4-stroke,OHV, forced air cooled Engine Displacement : 123 cc YP30G 4-stroke,OHV, forced air cooled Engine Displacement : 171 cc Water Pumps / C series YP10C 2-stroke, forced air cooled Engine Displacement : 26 cc YP20C 4-stroke,OHV, forced air cooled Engine Displacement : 179 cc YP30C 4-stroke,OHV, forced air cooled Engine Displacement : 179 cc Trash Pumps / T series YP20T 4-stroke,OHV, forced air cooled Engine Displacement : 175 cc YP30T 4-stroke,OHV, forced air cooled Engine Displacement : 296 cc YP40T 4-stroke,OHV, forced air cooled Engine Displacement : 357 cc Global links Find the regional or national website nearest you to learn more about specific models available where you live.