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    Mariner 25 gummed up plugs

    Re: Mariner 25 gummed up plugs Thanks Charlie. So the hole in the exhaust manifold would not be allowing water back into the engine ? I got the exhaust cover off and it doesn't look like there are any holes in the separator plate. Maybe leaking around the gasket but hard to tell. I have...
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    Mariner 25 gummed up plugs

    Re: Mariner 25 gummed up plugs OK, I tried to take the exhaust cover off gently but the bolts were to seized up. I snapped about 6 of them so this will mean I have to pull the power head off to fix. Managed to get the power head off and found the source of water getting into the cyclinders...
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    70 hp Johnson Qusetion (1980)

    Hi Guys,<br /><br />Newbie question, does the motor have a charging circuit to charge the battery or is it just a drain only system ?<br /><br />Thanks in advance<br /><br />Brad
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    oil for 1980 70 hp Johnson

    HI Guys,<br /><br />I have just finished fixing up a boat that has been sitting for 7 years. Had to free up steering (link was seized in tilt tube) and a few other bits and pices.<br />Motor fired straight up surprisingly. I know that oil/petrol mix is 50:1 but should I be checking case oil or...
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