2005+ Mercury Verado 4 Stroke 200/225/250/275 6 gear housing Service Manual, Page 101Get this manual
Left Hand Rotation
2Carefully slide the water pump straight up off of the driveshaftIt may be necessary to encourage the water pump up by gently prying up on its mounting flanges with screwdrivers
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aWater pump body
bScrewdrivers
3Remove the impeller, impeller key, face plate, pump cover gasket and pump base gasket
aImpellerKeyFace plate
dPump cover gasket (gray bead faces up)Pump cover base gasket