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Message: <blockquote data-quote="C&amp;amp;K" data-source="post: 512072" data-attributes="member: 30707">I'll add that in my case, it had a Force 50 hanging on that PT-130 for 17 years before I hung the Merc on it. When I rebuilt the Merc I completely removed the hydraulics and pump assy from it because it didn't work anyway. The Merc is a four-cylinder 44 cube powerhead, it got bored .020 with new Wiseco pistons and new reed blocks on the crank with two-stage racing reeds. Plus I did a little port work on it and reworked the carbs for E15 fuel. It's got a little higher compression ratio than stock so I needed to go to E15 to run 34 degrees of timing advance. It dyno'd 67.8 hp at the prop shaft on the Taylor dyno. So I rebadged the Merc as a 60.I found a photo of back when I did the swap.[ATTACH=full]119526[/ATTACH]As LDUBS kinda mentioned there is two 40A tilt/trim relays that have to be in the circuit for the hydraulic pump motor on the PT-130. I sure hope when you "jerry-rigged" it you got those in there.</blockquote>