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    Manual Bypass for Power Trim Question

    I have a 1973 Merc 850 w/ Power Trim that I just reinstalled in my boat. After filling and bleeding the trim system, it seems to working the way it was when before I removed it. Because of my winter storage situation, I will be needing to raise and lower the outboard on a regular basis and do...
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    16' Super Sport Max HP Rating Question

    I have a 1974 16' Super Sport that I'm restoring and it's data plate clearly states the Max Hp Rating at 85HP. However, I noticed that at some point, perhaps sometime in the late 70's or early 80's, the same 16' SuperSport Models were rated at a Max HP of 90HP. Does anyone know exactly when this...
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    Power Tilt & Trim Questions (1973 Merc 850)

    I managed to put a kink one of the four hydraulic lines on my 1973 Merc 850 as I was re-installing the outboard on my boat. I had drained the trim pump and removed the lines to remove the outboard to perform a transom replacement. Since I'm ready to fill the trim pump back up with oil, my...
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    1974 Merc 85hp vs. 1974 Johnson 85hp

    hello everyone, I know there are a lot of you out there with direct experience with one or both of these outboards. I'm trying to get an idea of the differences between these two outboards of this approximate vintage. Let me know if you can provide any of the following information on either or...
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    How much pressure?

    I need to run a pressure test on my lower unit. What specific psi or psi range should be used? I would guess that it needs to be relatively low, but I'd like to hear from you guys that do it all the time. Thanks!
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    Lower Cowl Removal on 1973 Merc 850

    Hello Everyone - I'm wondering if anyone can tell me how the lower cowl is removed on my 1973 Merc 850 (85 HP, Inline 4) as there is no access to the lowest spark plug (for compression tests) and it's also impossible to rejet the lower carburetor while it's in place. I'm hoping that there is...
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