Specifications 
QJ125    Front brake disc diameter    φ260mm    
          Front brake disc thickness 4.0mm 
* Attention 
• Micrometer shall be used for the measurement.   
 
Measure the thickness of braking shoe.   
If brake disc and braking shoe are contaminated by grease or 
their thickness is smaller than service limit, replace them.   
 
Service limit:    Braking shoe: 3mm 
                Brake disc:  3mm 
Note: 
Braking shoes shall be replaced in pairs.   
 
5.3.3 Installation 
Install brake disc and front wheel. 
Install front brake hose assembly and brake cylinder assembly. 
Please do not contaminate braking shoe and brake disc with oil.   
 
* Attention   
A contaminated braking shoe will reduce braking performance and result in brake failure. 
 
Tighten bolt and nut to their specified torque value. 
 
Torque value: 
Oil pump block assembly mounting bolt          5-9   N·m 
Front brake cylinder assembly mounting bolt     22-29  N·m 
 
Do not contaminate braking shoe with oil. 
If a braking shoe is polluted by oil, clean it with brake cleaner.   
 
*Attention 
A contaminated braking shoe will reduce braking performance. 
 
* Attention 
•Please do not contaminate braking shoe assembly with oil while assembly or disassembly 
•Please use specified detergent to clean the braking assembly, or it may reduce braking performance.