I have one of the original T9.9's 1998 vintage. On my last trip I thought it had died but when I tore into it today I discovered it was just the lower unit main shaft seal had failed and the gears had run on seawater lubrication for too long.
Looking at the engine itself the oil screen did have metal shavings on it and it is a 20 year old engine.
with replacement being ~$3500 and a new lower unit being ~$700 I don't want to put too much money into this.
That being said, if I can pick up a serviceable used lower unit for a couple of hundred that might be the way to go.
Anybody have one in the almost junk pile?
Post here for issues with outboard engines (i.e Yamaha 9.9) on PDQ yachts
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