Is my 98 Force 40hp Trashed?

[robert0209]

I have a 98 force 40hp. I've been having some problems with it, but up until some unrelated electrical issues , it was running alright. Well, I decided to do a compression test before diving into the electrical, and I found that the top cylinder had low compression...about 85psi. I dropped a little bit of oil in the cylinder and the compression jumped to 115, which is where the other cylinder tested out at.

Does this mean my motor is trashed, and I should not waste money on electrical parts? Any guidance is appreciated. I just don't want to spend the money I could be saving up for a new motor, if this one is trashed.

 

[Frank Acampora]

Re: Is my 98 Force 40hp Trashed?

No, it just means that one or both rings are stuck in their grooves. Try spraying in some solvent and turning the engine by hand, or add a little snake-oil (carbon treatment) to the gas and run it.

 

[robert0209]

Re: Is my 98 Force 40hp Trashed?

Thanks for the reply Frank. I was afraid that it meant it was game-over for this motor. I hope not as I like this motor, and it's been very reliable up until recently.

 

[jerryjerry05]

Re: Is my 98 Force 40hp Trashed?

http://forums.iboats.com/force-chry...er-chamber-cause-loss-compression-640811.html
Look up de-carb using the search engine.
The site has a bunch of how too's and how not's.