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  1. M

    Water in U-Joint Bellows

    The drive is a mercruiser I or R #4448631?? Had an ounce or so of water sitting in U-Joint bellows when I pulled the drive. U-Joints were rusted but surprisingly flexible and are being replaced. Are there any other places the water could have reached by entering that bellows. It looks like I...
  2. M

    Old Engine Seals and Gaskets - While the Engine is Out

    Are there any seals or gaskets I should be concerned about replacing while the engine is out of the boat. Supposedly this engine has been sitting for 6-7 years. The head has been taken care of and the head gasket replaced. Is it warranted to replace seals like the rear main and such while the...
  3. M

    Drive Won't Release from Engine

    I've been working on pulling the drive from the engine all evening. Manual says to "carefully remove drive" from the boat, but this thing is being a bear. I believe drive is Mercruiser I or R, really can't get a square answer from anyone. (Head of the drive has the loop for hoisting the drive...
  4. M

    Engine Coupler in OEM Mercruiser Manual

    I'm having trouble finding info on the engine coupler removal and installation in my OEM manual. Anyone know what section it is in? Manual is Mercruiser C-90-71707. I'm wanting to know if there is anything special is noted in swapping out the coupler from old engine other than checking the...
  5. M

    Am I being taken for a boat ride?

    I took my Inline 6 Head in yesterday to a machine shop and they showed me where two of the valves were leaking. They also tested for cracks and warping and cleaned the heads. They gave me a price of $68 for repair. Today they called and said the valve guides were bad and to repair, that brought...
  6. M

    Tighten valves how tight before adjusting?

    Maybe a duh question, but when reinstalling the head, how tight are the valves supposed to be before adjusting? I mean before actually starting the engine up to adjust the valves? Just snug?? Loose?? Try to get them close as possible to zero lash with cold engine stopped? Doesn't really explain...
  7. M

    Gaskets for R/R Mercruiser Motor / Outdrive

    Have finally got the money together for replacing the motor and getting ready to pull the outdrive once I find out what gaskets I'll need to get everything back together. I'm pretty sure I've IDed the outdrive as pre-alpha with the hump on the top of the outdrive with the hole in it. Are there...
  8. M

    Head Removed ::Mercruiser Inline 6 Cylinder

    I removed the inline 6 cylinder head from the block just minutes ago and found no visible cracks on the head and there was just a hint of moisture around the edges of the piston in the back cylinder. No visible cracks in or around the cylinders either or the block that I can see. It looks like...
  9. M

    Torque Sequence :: Mercruiser Head 165 HP Inline 6

    I'm looking to see if anyone has the torque sequence for a mercruiser head for a 165HP Inline 6. As posted earlier, I have a block with GM 82 stamping. So believe that's what I'm working with here. Still waiting for the manual to arrive (is coming postal). I'd like to get a head start on...
  10. M

    Outdrive Wiring Problem

    I am in the process of getting a manual, but in the interim, does someone know if these wires are supposed to be grounded? They are coming from the outdrive on a lead of two wires. As shown in this pic, they are both grounded. With a slip of the hand, they just fell apart. I have the wire to run...
  11. M

    Replacing Fuel Lines :: Mercruiser

    The fuel line running from the fuel tank to the (what I'm guessing is the fuel pump, anyhow) was cut in two. It is covered with a red plastic dressing. My question is, can this line be safely replaced with a black automotive fuel line? I had to also cut away the piece running out the transom...
  12. M

    Mercruiser Inline 6 Cylinder 165 HP - The beginning.

    I just bought a 1976 Ebbtide Riviera yesterday and got to really go over the problems today and now I'm here for many, many questions. This is my first boat and it does have some problems. Maybe major ones. And I'm okay with that, I think:) Let me get you familiar with my boat first off...
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