Problems edit
Is this link
http://thevintagent.blogspot.com/2013/04/bicycles-and-pierce-4.html
whih goes nowhere useful, repairable?
Is there a source out there for the quoted bore and stroke,both 2½ inches? They are not compatible with the cited swept volume.
86.130.154.103 (talk) 16:08, 28 July 2020 (UTC)