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    Damaged drive shaft seal

    This seal was installed about a month ago with a used (but in good shape) yoke. The U-joint bellow was replaced at the same time and on the first run there was water intrusion due to one of the clamps not being tightened properly. There was also a loss of oil out of the front seal. The drive was...
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    Manifold passes leak test - leaking when hot?

    Mercruiser 120. Standing water in cylinders after running. Exhaust channel in bottom of manifold is full of water when pulled off. Both the manifold and elbow pass the Acetone test. Good compression in all cylinders (some variation, but none below 125psi). Block cooling circuit has been pressure...
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    Aqua Power Manifold

    The manifold on my Mercruiser 120 has "Aqua Power" cast into the side of it. I'm curious if this is an OEM part or aftermarket? If aftermarket, what is their reputation for quality?
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    No grease hole in gimbal bearing

    I purchased the Mercruiser OEM bellows kit that includes the bellows, gimbal bearing and all seals. The gimbal bearing that came with it does not have a grease hole (yes I've spun the tolerance ring all the way around). Have they changed the design or did a get a dud?
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    Rust damage inside transom assembly

    The saga continues. I've pulled my bellows in preparation for the new ones. I'm getting ready to pull the gimbal bearing and found that the lower section of the housing around the bearing has rusted and cracked off. Will the new bellows be able to seal in spite of this damage?
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    Good prop shop in Jacksonville, FL?

    In the Orange Park area preferred, but I'll take a drive if it's worth it. I actually just need them to pop off a seized prop for me, but I'll need other services down the road and would like to start building a relationship now. Any tips?
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    Trim sender wiring through gimbal housing

    Is it possible to purchase the portion of the trim harness that bolts onto the gimbal housing, allowing the wires to pass into the hull? My wires are completely disintegrated, but I don't see that part on the diagram anywhere. Thanks!
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    Running with cracked cavitation plate?

    So I've been digging into my MR drive and have found evidence of water intrusion, severe overheating (melted impeller housing, burnt oil in the upper bearing assembly), as well as deep grooving where the oil seals ride on both the input yoke and driveshaft. I've got a slightly older MC1 lying...
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    U-joint Assembly - Small Spacer?

    I'm replacing the oil seal on my 1985 MR input yoke. I was going through the service procedure, and from Chris' video, I understand that the later drives did away with the small spacer and you have to torque to the specified preload using a dial indicating wrench. Trouble is, I don't have a dial...
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    Drive shaft play

    I've got my MR drive apart doing the water pump, water pocket, front shaft seal, etc. I've pulled the complete water pump assembly off including the base (there was evidence of overheating). I noticed quite a bit of side-to-side play on the driveshaft, as well as a little up-and-down. I'm...
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