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1956 Evinrude Lark 30 HP Tear down
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<blockquote data-quote="jgdunham" data-source="post: 475245" data-attributes="member: 25617"><p>Hello again piomarine.</p><p></p><p>It was suggested that you try a 3 jaw puller.</p><p>While this May work on smaller flywheels, using a 3 jaw or other edge puller is likely to distort or outright ruin this flywheel. Especially if it already has any fatigue cracking around those holes. The flywheel is actually fairly thin near the hub and will give with that type of puller.</p><p>Do not risk it.</p><p>Drilling and tapping the bad threads to 5/16 is the way to go and others have already posted good procedures.</p><p></p><p>I second the heat suggestion. </p><p>Get the puller good and tight before you put the heat to it.</p><p>Maybe start light, so you can still touch it but not for long and then leave it overnight.</p><p></p><p>When you do finally get it off, flip it over check it for crackS around the 3 small threaded holes and the little points adjustment window. If you find any you should replace it.</p></blockquote><p></p>
[QUOTE="jgdunham, post: 475245, member: 25617"] Hello again piomarine. It was suggested that you try a 3 jaw puller. While this May work on smaller flywheels, using a 3 jaw or other edge puller is likely to distort or outright ruin this flywheel. Especially if it already has any fatigue cracking around those holes. The flywheel is actually fairly thin near the hub and will give with that type of puller. Do not risk it. Drilling and tapping the bad threads to 5/16 is the way to go and others have already posted good procedures. I second the heat suggestion. Get the puller good and tight before you put the heat to it. Maybe start light, so you can still touch it but not for long and then leave it overnight. When you do finally get it off, flip it over check it for crackS around the 3 small threaded holes and the little points adjustment window. If you find any you should replace it. [/QUOTE]
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1956 Evinrude Lark 30 HP Tear down
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