2002-2007 Suzuki 500 LTA Service Manual, Page 114Get this manual
Remove the oil sump filter
Clean the oil sump filter by using compressed air
When installing the oil sump filter, apply grease to the new O-ring99000-25030: SUZUKI SUPER GREASE "A" (USA) 99000-25010: SUZUKI SUPER GREASE "A" (Others)