Recent content by seacat69

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    help wanted

    hi folks,<br /><br />I have a very heavy seacat 18' twin hull with a johnson 175 (78 model), i may need to replace this motor and want some advice on a recommended outboard horse power, it has plenty of grunt at the moment but takes full throttle to plain as it wont plain at half throttle for a...
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    compression question

    hi all,<br />I posted a topic yesterday re a dead piston on my 78 model 175 johnson. Now i would like to ask an opinion of you experts : )<br />the compression on the other 5 are 100 psi.....is this good or bad or ugly???<br />1: should i change the rings on the dead piston only as i really cant...
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    johnson 175 piston dead

    Hi guys<br /><br />I just bought a 5.5 meter seacat with a 1978 175 johnson, took the kids out today and the top left piston died (looking at the motor from the rear)I ran a compression test prior and all cylinders were on 100. It went well then i heard a scraping sound and it lost a little...
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