I need to change the rear wheel bearings on my RST & would like to know the answers to the following questions as i can't lay my hands on the haynes manual.

Rear hub nut size??
Are the hub nuts handed thread, left & right??
Tightnening torque when fitting new bearings??
Type of grease to use for new bearings??

All help much appreciate as would like to do the job tonight!!
Best Regards
AndyB