OMC turbojet 90hp flat back overheating, maybe?

birdgod

Petty Officer 1st Class
Joined
Sep 21, 2009
Messages
275
I have Boston whaler rage 14 jet boat. It has a OMC turbojet 90hp as an inboard. I just finish rebuilding it and it has been running smooth, but I notice a "problem". The whole engine get very hot after a while, it was too hot to touch, can't place my hand on the fly wheel for more then 2 seconds.but it is still running very fine, start right up and WOT smoothly. Is this hotness normal for this engine? Also there is a blower install in the engine compartment. Am I suppost to turn it on while the engine is running?
 
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