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Unidentified Engines

Unidentified 4-cycle Marine Copper Top


Here are photos of an unknown 4-cycle copper top marine engine. 4 1/4" bore x 4 1/4" stroke missing...

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  #1  
Old 11-28-2008, 05:45 PM
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Default Unidentified 4-cycle Marine Copper Top

Here are photos of an unknown 4-cycle copper top marine engine. 4 1/4" bore x 4 1/4" stroke missing mixer & water pump. Took engine to 2008Mystic, CT Seaport show where consenus was that it was probably a marine enginebut no one could identify the maker. I'll post more photos.
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Old 11-28-2008, 05:48 PM
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Default Re: Unidentified 4-cycle Marine Copper Top

These photos show unusual intake & exhaust valve cage.
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Old 11-28-2008, 05:51 PM
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Default Re: Unidentified 4-cycle Marine Copper Top

These photos show flywheel & bronze box bearing on large end of connecting rod. Engine appears to be high quality.
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Old 11-29-2008, 12:33 AM
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Exclamation Re: Unidentified 4-cycle Marine Copper Top

The flywheel looks similar to that used by the Columbia Engine Co
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