Re: 64 Johnson 9.5 water pump?????
The waterpump is located on top of the lower unit (L/U). That is to say just above the joint above the fin above the prop. The driveshaft runs through it. To remove the L/U, remove the screws holding the L/U to the exhaust tube. This will allow the L/U to separate from the exhaust tube enough for you to unbolt the shift linkage. It should completely remove from there.<br />When you install the new water pump, be certain the key that turns the impeller is in place, so that the impeller turns with the driveshaft.<br />A service manual is just about the best investment you can make if you already own a set of wrenches. They're available here at Iboats.<br /><br />Good luck!