FixVault

Piston Ring

Closed gap mm (in) Compression ring Top ring Standard 0.20 - 0.25 (0.0079 - 0.0098)
Second ring Standard 0.25 - 0.35 (0.0098 - 0.0138)
Oil ring
(Upper rail and lower rail)
Standard 0.10 - 0.35 (0.0039 - 0.0138)
Clearance between compression ring and piston mm (in) Top ring Standard 0.040 - 0.075 (0.0016 - 0.0030)
Second ring Standard 0.030 - 0.070 (0.0012 - 0.0028)