If you are as dumb as me, you better have it totally empty....
I removed the tank from the bike ( too cold outside) and got rid of the tankcover and filler. When remounting on the bike - after a completely successful clamp and connector replacing exercise - I actually let one of the rubber thingies which position the filler drop INTO the tank. Don't laugh!!
Visiting my dealer tomorrow to get them to unscrew the right lid with their expensive special tool.
How silly is that....
Til, a.k.a Winkelfinger
`91 Yamaha Tenere 3AJ
`05 BMW R1200GS