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    front motor mount adjustor

    The front motor adjustor on my 470 seems to be either missing parts, or assembled incorrectly, causing the motor to move up about 1/8". On the top of the assembly, where the bolt protrudes, I have a steel collar roughly 1" long, sitting over the bolt, and a 3/16" fibre washer which slides over...
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    Gimbal Bearing

    Can someone explain the operation of the gimbal bearing to me? I realise it must rotate with the drive shaft, and mine is quite free in that regard, but I would have thought it should also swivel freely in it's housing to facilitate alignment, but since mine doesn't, I am assuming it is siezed...
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    Bond new floor to hull

    I've put a new plywood deck in my 18 foot fibreglass boat, and I'm looking for information on the most effective way to bond the edges to the fibreglass hull in order to prevent leakage. What kind of cloth should I use, and how many layers. I also plan on coating the entire floor with epoxy, can...
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    Engine alignment question

    I am nearly ready to re-install my 470 Mercruiser engine, but I have lost the correct height of the front engine mount so I can't just pop it back in. Can anyone advise the correct procedure at this stage, to get the engine back in, and aligned properly?
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    Is my exhaust riser correct?

    I am reassembling a 1980-82 Mercruiser 470 after an engine rebuild. My question involves the face where the riser clamps on to the exhaust. Can anyone tell me why the exhaust has a water port on all 4 sides, but the riser elbow only on one, (casting #98561). Does this not limit cooling? The old...
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