Piston Ring
GENERAL SPECIFICATIONSSide Clearance
Compression (Top) 0.040-0.075 mm (0.0015-0.0029 in)
Compression (Bottom) 0.040-0.085 mm (0.0015-0.0033 in)
Oil Ring Snug Fit
Service Limit 0.10 mm (0.0039 in)
Piston Ring Gap (a)
Compression (Top)-Gauge Diameter 0.100-0.250 mm (0.0039-0.0098 in)
Compression (Bottom)-Gauge Diameter 0.27-0.42 mm (0.0106-0.0165 in)
Oil Ring (Steel Rail)-Gauge Diameter 0.15-0.65 mm (0.0059-0.0255 in)
Compression (Top)-Service Limit 0.50 mm Max (0.0196 in)
Compression (Bottom)-Service Limit 0.65 mm Max (0.0255 in)
Oil Ring (Steel Rail)-Service Limit 0.90 mm Max (0.0354 in)
Lubrication System
(a) Specification 82.4 mm (3.2441 in) diameter gauge.