Ive thought abput using a speed triple 1050 throttle assy, its a shorter throw, it can also be modified with a crescent shapped piece under the wire, there is a mod listed on here somewhere.
most cruisers have long throw throttles, more mellow, too short and it can be too abrupt for daily use.
at the drag strip, I overgrip the throttle with my hand, and have my elbow almost straight up so I can drop it and go to full throttle as soon as I launch and have traction