1974 Catalina 27 with transom cutout for outboard

Apr 26, 2019
1
Catalina 27 Elliott Bay Marina, Seattle
Hello,

I have a 1974 Catalina 27 with a cutout in the back for an outboard (apprx 15 x 20"). There is currently a Mercury 2-Stroke 9.9 attached, but the engine has become very unreliable. It also lacks the power to get through the strong tides in Washington. I'm looking to replace it with a 9.9 High Thrust 4-Stroke motor.

The issue I'm facing is that I'm not sure that these engines can fit when trimmed all the way out of the water. I received the engineering specs for the Mercury 9.9 Kicker and it looks to be about 3.5" too tall when fully raised. Does anyone have this similar problem or know of an engine by a different manufacturer that may work better?
 

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Feb 26, 2004
22,776
Catalina 34 224 Maple Bay, BC, Canada
Have you considered asking this question on a C27 forum? You may find more skippers with specific experience there than on this fine forum. IIRC, you are right about the critical nature of those dimensions.