Piston Ring, Engine

Piston Ring Groove Clearance





Ring groove clearance

Piston Ring End Gap
Using a piston, push the piston ring a little beyond the bottom of the ring travel, 110 mm (4.33 inch) from the top of the cylinder block.
Using a feeler gauge, measure the end gap.
Standard end gap:
No.1 0.25 - 0.35 mm (0.0098 - 0.0138 inch)
No.2 0.35 - 0.50 mm (0.0138 - 0.0197 inch)
Oil (Side rail) 0.10 - 0.35 mm (0.0039 - 0.0138 inch)
Maximum end gap:
No.1 0.91 mm (0.0358 inch)
No.2 1.06 mm (0.0417 inch)
Oil (Side rail) 0.82 mm (0.0323 inch)