24mm Allen keys....

[Tony Nitrous]

GSX1400 and Gen1 both use a 24mm key,
very close to being a 15/16th size....

Made for $0

http://i57.tinypic.com/biqntu.jpg

http://i58.tinypic.com/2ynhwyp.jpg

or two for $5

http://i58.tinypic.com/2edvd54.jpg

http://i60.tinypic.com/2cr29te.jpg

http://i62.tinypic.com/jl3wqe.jpg

[Tony Nitrous]

Other sizes are available.....;)

[Tim]

The in the field way of of undoing the nut/bolt on the other side is leave the right side pintch bolts done up.

[Tony Nitrous]

The other side has a smooth round insert that is clamped by pinch bolts
at the foot of the fork leg on the Busa. Has to be undone the key'd side.

http://i61.tinypic.com/15cov2d.jpg

[Tim]

Well I stand corrected,

another way that just came to mind is reversing a spark plug socket ie:

[ozzy1100]

$6 at some where like blackwoods for the real deal :-)

[GammaBoy]

Well I stand corrected,

another way that just came to mind is reversing a spark plug socket ie:
I've done that to store a 1/2" to 3/4" adaptor in the middle of the only 3/4" drive socket I own - has never occurred to me that my plug sockets can be used that way. Gold.