hello
top of master cyl on front says dot 4 only you can only hope the guys before you can read
parts book down load from here
http://www.grahamsmotorcycles.com/graha ... 0RT125.htmwhat you are looking for is in the rt125 chassis parts book
PDF pages 34 and 35
order from here
http://www.grahamsmotorcycles.comi force fluid from the bottom up with a pump seems to bleed better
and on the rear the whole unit can be removed as a unit an hung from the overhead
bubbles flow up better than down
push the brake pucks all the way in and force fluid in from bottom
remove the old bad from the top resevior
it a pain mine still has air in it from 2 bad brake lamp switches
ar dave
post your location so we know where to send you for help and spares