1996-2005 Suzuki DF40, DF50 Four Stroke Outboard Service Manual, Page 273Get this manual

1996-2005 Suzuki DF40, DF50 Four Stroke Outboard Service Manual, Page 273

LOWER UNIT 9-20 WATER PUMPImpellerCasePlace the under panel gasket and under panel into positionInsert the key in the driveshaft and slide the impeller onto driveshaft, ensuring that key and keyway are aligned
Install the pump case while rotating driveshaft clockwise to flex the impeller vanes in the correct directionSecurely tighten the four (4) pump case nuts to the specified torquePump case nut(0.8 kg-m, 6.0 lbft