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Old 05-23-2017, 05:47 AM
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franchi
 
Join Date: Aug 2008
Location: blain, PA
Posts: 304
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Default Why the 15mm bore size on Diesels?

Hello All:

It appears that the bore size of our Diesels have the standard 15 mm dimension. Anybody have any ideas as to how this size became so prevalent?

Tia,

Franchi