Rear Sub Frame - Thread Size Anyone know the correct thread size of the bolts which thread the pillion grab rails into the boss on the rear sub-frame. I am just rebuilding bike (with Sparkins lovely single seat unit) and the tapped holes in the rear sub-frame are a bit furry and full of crap. Need to re-tap the threads to allow me to put in a support rail (threaded bar with foam pads) in place of the grab rails. Ta Alan... |