Www.youtube.com go there and type water pump replacement 25hp Johnson or evinrude. You can also go to
http://shop2.evinrude.com/Index.aspx?s1=gett3uheq5c0nce2mjg11d1eh0&catalog_id=0&siteid=1
Thank you, Lewis Hot Headz Marine
SOURCE: I can't lower the motor into the water
I the metal rod to pull out on the starboard side.
Thanks
SOURCE: Can not lower the motor manually
There is a screw usally on the right side looking at back of motor use large screw driver loosen motor will come down I guess you have trim and tilt
SOURCE: 1975 75 hp evinrude water in lower unit
You could take off the lower unit and leave the boat home. All they need is the bottom. The propshaft seal can be cut from fishing line. There should be another seal on the shift assembly and a third on the powershaft. Some you could do, but the shop can pressure test before and replace only what you need. Then pressure test after the repair to verify it seals.
SOURCE: Can't get lower unit off a 1976 evinrude 135hp
Several things I would look at would be the Sacrificial Anodes may hold the 2 parts together and then look at the water intake ports. There may be extra bolts behind the water inlets.
You may want to remove the engine from the housing to cut the weight when wrestling with this. You may be able to pull the driveshaft with the engine and get the linkage and water tube out of the way. Sometimes there is just a slip together joint on the driveshaft. If you cut the shaft you may have to open the gearbox to replace it. $$$$
There are some Salvagers on the Net. You will need them to replace what you break. You could contact them on the secrets to getting this apart. Hopefully you will find a hidden bolt to solve all of your problems.
have you changed the impeller inside the lower unit.
There is copper pipe to redirect water up into the engine.
When you replaced the impeller make the copper pipe is insert onto the engine.
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