karlmgf

hi im karl mgf just joined .i took my 600 fsr for mot today it failed on rear disc was cracked in 4 places its only done 10.000 carefull miles does any one know which way the disc allen key bolts undo im strugling to get them lose and dont want to naker the allen bolt PLEASE CAN SOMEONE HELP also is this a comon falt on this bike ??? cheers [email protected] if u can help email me