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    Heads off. 1 broken pistons 1 damaged piston. Cylinder1 and 2 scored a bit.

    Heads off. 1 broken pistons 1 damaged piston. Cylinder1 and 2 scored a bit.
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    Johnson 1993 70hp head removal

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    Johnson 1993 70hp head removal

    As in
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    Johnson 1993 70hp head removal

    Cheers! I’ve owned the vessel for almost a year now and taken it many times. Been a great experience so far. It had overheated (alarm went off) the 3rd time I took her out and had marine world geelong go over it. Replaced the majority of the cooling system, gave me a compression test of 115 110...
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    Johnson 1993 70hp head removal

    Took to the head This arvo with a dowel and a hammer after letting the gasket and head bolt bores soak in wd40. 1 knock and across it slid. You beauty! Couldn’t get it over the broken bolt as yet though the broken bolt head is clean off. Thinking I’ll fabricate a handle fitted into the spark...
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    Johnson 1993 70hp head removal

    all good bud! luckily my people here keep me so busy I havent been to the shop to get the penetrene yet!
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    Johnson 1993 70hp head removal

    Thank you very much for the advice. I reckon you could well be right there.
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    Johnson 1993 70hp head removal

    Thank you for your advice there.
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    Johnson 1993 70hp head removal

    Sorry, to be clear I am removing the head cover to see what extent the scoring in the cylinders might be and I’m thinking the exhaust cover will show if rings /rods are damaged.
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    Johnson 1993 70hp head removal

    Cheers, I thought about the exhaust cover. I'll give that a go and hopefully don't break any more bolts!.
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    Johnson 1993 70hp head removal

    Thank you very much for your time and advise. I will give this a crack tomorrow. Just went it sprayed down with WD-40 and ill grab some penetrene.
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    Johnson 1993 70hp head removal

    thank you guys for your quick response! Thank you for the tips. Here’s a few pics of what I have in front of me.
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    Johnson 1993 70hp head removal

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    Johnson 1993 70hp head removal

    Hi all, First time boat owner learning the hard way😆. Am trying to remove the head to inspect possible damage to cylinders. Number 2 cylinder zero compression. Removed all 14 head bolts and have managed to move the head only a fraction but am curious if there are any other bolts on the lower...
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