I would have said that those bungs listed stand off the frame too much and would just bend/snap off in a non-rubber side down situation.
Have a look see at the same version of the R&G bungs here
http://www.rg-racing.com/browseBike/Yama.../2000.aspx
See how the body of the bung doesn't thin out near the frame, so this style would hold up better
IMHO
Have a look see at the same version of the R&G bungs here
http://www.rg-racing.com/browseBike/Yama.../2000.aspx
See how the body of the bung doesn't thin out near the frame, so this style would hold up better
IMHO