Operation CHARM: Car repair manuals for everyone.

Piston Ring, Engine

Piston ring width compression (top) 1.47 - 1.49 Millimeter (mm)
Ring width compression (bottom) 1.46 - 1.49 Millimeter (mm)
Ring width oil ring service limit (Side clearance) 0.15. Millimeter (mm)
MAX
Ring gap compression (top) 0.25 - 0.28 Millimeter (mm)
Ring gap compression (bottom) 0.25 - 0.28 Millimeter (mm)
Ring gap oil ring (steel rail) 0.04 - 1.68 Millimeter (mm)
Side clearance I string 0.04 - 0.08 Millimeter (mm)
Side clearance 2nd ring 0.04 - 0.09 Millimeter (mm)