Mitsubishi Workshop Service and Repair Manuals

Piston Ring: Specifications

Piston ring side clearance mm (in)  
No. 1
Standard value ........................................................................................................................................................................... 0.04 - 0.08 (0.0016 - 0.0031)
Limit .....................................................................................................................................................................................................................  0.1 (0.004)
No. 2 
Standard value ........................................................................................................................................................................... 0.03 - 0.07 (0.0012 - 0.0027)
Limit .....................................................................................................................................................................................................................  0.1 (0.004)

Piston ring end gap mm (in)  
No. 1 
Standard value ............................................................................................................................................................................... 0.18 - 0.33 (0.008 - 0.012)
Limit .......................................................................................................................................................................................................................  0.8 (0.03)
No. 2 
Standard value ............................................................................................................................................................................... 0.28 - 0.48 (0.012 - 0.018)
Limit .......................................................................................................................................................................................................................  0.8 (0.03)

Oil ring side rail 
Standard value ............................................................................................................................................................................... 0.10 - 0.60 (0.012 - 0.023)
Limit .......................................................................................................................................................................................................................  1.0 (0.04)