Registered Forum User
Bikes: 2003 999S, 2004 R1200GS
Posts: 8
Join Date: Feb 2012
Location: Devon
I go away for periods of a few weeks / months and have always left my bikes plugged in to an optimate. They have always started ok when I get back, and it hasn't shortened the life of the battery, as far as I can tell.
I'd leave it plugged in - it should be fine.