Re: sportjet reliability
the 90 and 120 are force engines actually converted from outboard engines to be used on jet drives, I owned one they are totally underpowered and have lots of stator issues plus lots of vibration unless you are getting it really cheep I would probably pass on that idea, plus the boats handle like a bath tub, my first one was a regal with a 90 hp force and that is why I invented steering for jet boats and jet skis driving the boat stock was a horrifying experience to put it bluntly