PGO G-MAX 50 Service Manual page 147

5.Disassembling and assembling the front brake-disk.
a. Remove the front wheel.
b. Remove bolts on the disk.
c. Remove the disk.
d. Assemble the disk follows the disassembling procedure.
Locking torque M8: 2.0~3.0kgm
6.Checking the front brake-disk.
Standard thickness of disk: 3.5 mm (M2-50); 4.0 mm (M2-125/150/200/220/250)
Limit of usage: change it when below 3.0 mm (M2-50); 3.5 mm (M2-125/150/200/220/250)
7.Checking the front brake-PAD.
a. standard thickness: 5.3mm(M2-50); 8.3mm(M2-125/150/200/220/250).
limit of use: As the thickness is below using limit, change it.
Note: No grease on the lining.
M2-125/150/200/220/250
M2-50