I replaced mine with a custom made line to accommodate a Brembo Corta Corso Master Cylinder. I too have large hands, size XXL gloves. I removed the top tupperware and yes, it was a PIA. If I remember correctly I replaced the torx screw with a hex head bolt.
Duane: '12 K1600GT/WL EngineBars//Wilbers/VarioLevers/ cbdaneAmber /BajaDesigns LED/PDM60/Remus Headers/GPR Exhaust/BST Carbon Fiber Wheels