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Stripped upper plug for lower unit fluid. Mariner 8hp
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<blockquote data-quote="richg99" data-source="post: 408107" data-attributes="member: 4376"><p>I had the exact same problem with my lower unit just a week or so ago. My mechanic replaced the bad screw* with a Heli-coil. He knows what he is doing. richg99</p><p></p><p>https://www.youtube.com/watch?v=RFYa6sjhh_E</p><p></p><p>p.s.he told me that a number of screws were marketed as replacements ( for Johnson outboards) and those screws didn't have the threads extending far enough. Hence, after being put in and out a couple of times, they caused the stripping problem themselves.</p><p></p><p>Here is ONE shown on Amazon ( might not be the right one for you).</p><p>https://www.amazon.com/Helicoil-5521-6-Coarse-Thread-Repair/dp/B0002SRDVE</p><p></p><p>richg99</p></blockquote><p></p>
[QUOTE="richg99, post: 408107, member: 4376"] I had the exact same problem with my lower unit just a week or so ago. My mechanic replaced the bad screw* with a Heli-coil. He knows what he is doing. richg99 https://www.youtube.com/watch?v=RFYa6sjhh_E p.s.he told me that a number of screws were marketed as replacements ( for Johnson outboards) and those screws didn't have the threads extending far enough. Hence, after being put in and out a couple of times, they caused the stripping problem themselves. Here is ONE shown on Amazon ( might not be the right one for you). https://www.amazon.com/Helicoil-5521-6-Coarse-Thread-Repair/dp/B0002SRDVE richg99 [/QUOTE]
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Stripped upper plug for lower unit fluid. Mariner 8hp
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