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Old 12 October 2006, 17:05   #1
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Mercury lifting eye thread size

Does any one have this size to mind, the thread size tapped in the flywheel for lifting the motor, I think alll Mercurys are similar cheers Gavin
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Old 12 October 2006, 23:55   #2
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From memory it's an American pipe thread size (ie unobtanium from normal sources).I'll have a look at my manual later and see if it says.

I thought that thread was just for lifting the powerhead?
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Old 13 October 2006, 02:28   #3
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UNC or UNF ?

A good engineers supplies should be able to get one in a couple of days, they may have a bolt you can try to check it
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Old 13 October 2006, 03:33   #4
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By the time you've sourced a large and expensive bolt, bored it out and added a lifting Eye, it'd be cheaper to buy the right tool..
Search Boatmad.. they'll tell you where to get them from.

..oh ? And with a bit of ingenuity and a couple of two pence pieces.. you can use it to remove the flywheel too....
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Old 13 October 2006, 06:26   #5
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Originally Posted by bedajim View Post
UNC or UNF ?

A good engineers supplies should be able to get one in a couple of days, they may have a bolt you can try to check it
Sorry didn't FULLY read Nos post may be NPT
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Old 13 October 2006, 06:42   #6
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Mine is 1" x 16TPI x 55 thread angle.
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Old 13 October 2006, 15:57   #7
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Thanks for that I want to lift the opti off for a couple of hours I tought you threaded into the flywheel, rather than crank end
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Old 13 October 2006, 16:05   #8
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...I tought you threaded into the flywheel...
it does.
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