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7. CYLINDER/PISTON K-XCT 125i
SERVICE INFORMATION
GENERAL INSTRUCTIONS
When installing the cylinder, use a new cylinder gasket and make sure that the dowel pins are
correctly installed.
After disassembly, clean the removed parts and dry them with compressed air before inspection.
SPECIFICATIONS Unit: mm
Item Standard
52.452.41
I.D.
Warpage
Cylinder
Cylindricity
True roundness
Ring-to-groove Top 0.0150.055
clearance Second 0.0150.055
Top 0.100..25
Ring end gap Second 0.100..25
Oil side rail 0.20.7
Piston, 52.3752.39
piston ring Piston O.D.
Piston O.D. measuring position 9 mm from bottom of skirt
Piston-to-cylinder clearance 0.010.04
Piston pin hole I.D. 15.00215.008
Piston pin O.D 14.99415
Piston-to-piston pin clearance 0.0020.014
Connecting rod small end I.D. bore 15.01615.034
7-2