2005+ Mercury Verado 4 Stroke 200/225/250/275 6 gear housing Service Manual, Page 23Get this manual
Right 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 ob00258
aWater pump body
bScrewdrivers
3Remove the impeller, impeller key, face plate, pump cover gasket and pump base gasket
aImpellerKeyFace plate