Found this photo to better describe the location, but on the photo its too small to read clearly (maybe looks like 65 x 47.8?) EDIT - these numbers might make sense as they equate to about a 159cc engine.
But the ebay ad says it 143cc, which makes 'surefire 145' make sense.

[Linked Image from i.ebayimg.com]

Last edited by Tyler; 14/12/18 10:56 PM.