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I am the original owner of a 1995 15 foot Rage with the 115 HP OMC engine. After a number of years of dry storage I have been recommissioning our boat. I pulled the engine and jet outdrive unit and cleaned them up. The engine is running and the outdrive is working.
My question for the forum is: the original design of the cooling has the jet drive impeller shoot water into an orifice which then makes a 180 degree turn to be feed back through the transom and after going through a filter it is feed into the engine casting for cooling -- this design seems as if it might be a weak point in keeping the engine adequately cooled -- has anyone modified the design to alternatively install an electric pump pulling water through a thru hull fitting (possibly the drain plug) with a regulator to keep the water pressure under the 20 psi max -- thereby assuring that you are getting full water flow into the engine?
The reason for this enquiry is that I wonder if the complicated original design has historically caused overheating in these Rage engines?
