Wheel Rim/Tyre 
Check if there is crack, nails and similar sharp objects, and other injuries on the tyres.   
Inspect pneumatic pressure of tyres. 
 
* Attention 
Measure the tyre pressure in cool state. 
 
Specified air pressure            Unit: Kpa 
          
Tyre Specifications 
QJ125-26A 
Front tubeless tyre  100/70-17 
Rear tubeless tyre  130//60-17 
Check if lock nut of front shaft is loosened. 
Check if lock nut of rear shaft is loosened. 
If loosened, tighten it to specified torque.   
 
Tightening torque:  Front shaft lock nut      40-60 N·m 
 Rear shaft lock nut    85-98 N·m 
 
Steering Stem Bearing and Handle Fixation     
Move left and right handle and check if lead wires disturb it.   
Rotate front wheel and confirm handle can move smoothly. 
If the handle does not move smoothly and is loosened, check steering 
stem bearing.   
 
 
 
 
 
 
 
Tyre specifications  Tyre 
pressure 
QJ125-26A 
Front tyre  100/70-17  190±10kPa 
Rear tyre  130//60-17 210±10kPa