I am disassembling the lower unit on a 91 Force 120 HP and cannot get the retaining ring off that holds the propellor shaft into the housing. It is an externally threaded ring about 3 3/4" with notches around the inside. I need to locate some type of spanner wrench that will fit this ring...
The lower unit housing on my 1991 120hp had a crack in it when I bought the boat, most likely from poor winterizing. I have tracked down and got ahold of a mathing gear housing and plan to swap the gear set out of my original lower unit into the new housing. Anything I should know before I...
I have a 1991 Force and cylinder 3 has 30 lbs. lower compression than the rest of the cylinders which I believe is due to stuck rings. Wil soaking the cylinders with with head off with Seafoam cure the problem?? I think this is the reason the boat won't run below 600 rpms which I believe is...
I have one of the dreaded L-drives 120 HP that I bought with terrible misjudgment and after some time did get it up and running( it hadn't run in years) It would not stay running at idle speed. Finally admitting defeat I took it to a marine repair guy who said most of the time these Force...
