Piston Ring Specifications

PISTON RINGS

Ring Gap
Top Compression Ring
Standard 0.25 - 0.51 mm (0.0098 - 0.020 in.)
Wear Limit 0.8 mm (0.031 in.)
2nd Compression Ring
Standard 0.23 - 0.48 mm (0.009 - 0.018 in.)
Wear Limit 0.8 mm (0.031 in.)
Oil Control Steel Rails
Standard 0.25 - 0.64 mm (0.0098 - 0.025 in.)
Wear Limit 1.00 mm (0.039 in.)

Ring Side Clearance
Compression Rings
Standard 0.030 - 0.080 mm (0.0011 - 0.0031 in.)
Wear Limit 0.10 mm (0.004 in.)
Oil Ring Pack 0.012 - 0.178 mm (0.0004 - 0.0070 in.)

Ring Width
Compression Rings 1.47 - 1.50 mm (0.057 - 0.059 in.)
Oil Ring Pack 2.72 - 2.88 mm (0.107 - 0.1133 in.)