Merco 61, circa 1960's, dual plug, black head

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Merco 61, circa 1960's, dual plug, black head

Postby Glen Wearden » Mon Apr 20, 2009 12:45 pm

Does anyone know the sizes for head screws, long and short, and backplate screws for this engine? I want to replace those awful phillips head screws with socket head. Thanks

Glen Wearden
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Postby ffkiwi » Tue Apr 28, 2009 3:55 pm

These are 1/8" Whitworth. (a coarse UK thread) -you may well have difficulty getting them in the US-and extreme difficulty getting them in socket head!

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