Thread: &@!"$()$'c

Thank you


Sent from my iPhone using Tapatalk

I replaced all the seals on a '95 merc 25 horse. Wasn't that bad. Wasnt sure which ones, so I did them all. Spent as much or more time watching videos, researching than working.
As already said, get a repair manual. I rented a gear puller from local auto parts store. Seal pullers are cheap.
Just do an online search, I think I bought the kit from either Amazon or eBay. Call a local dealer also. Depending on the age of your engine, you may not be able to only buy the part you need. Might have to get a "kit".
Look online for a service manual also. I found one for $10, CD version. It covers multiple years and hp range, with a little more details than repair manual. I print out what I need whenever I need it.

You can replace all of these no problem. The shaft seals can be a bit tricky on the Yamahas, but it can be done without any special tools if you are careful. I have done it myself a few times over the 11 year life of an F50 I currently own. You have to drill two, opposing, holes on either side of the seal and then screw in 4" long machine screws in each hole. Then with a pair of vice grips attach to each head. At the same time pull. The shaft seal will come out.

Dropping the entire lower unit on these motors is very easy. iboats.net has exploded diagrams. I have always found that parts locally are cheaper than ordering on line once you factor in their crazy shipping cost.