Standard type 1 and type 3 engines

Big-bore type 1, type 3 and CT/CZ engines

cylinder bore (mm)

piston ring thickness (mm)

order No.

cylinder bore (mm)

piston ring thickness (mm)

order No.

75.00 °

3.00 x 3.00 x 5.00

# 1710

83.00

1.50 x 1.50 x 4.00

# 31707

77.00 °

2.00 x 2.00 x 4.00

# 1706

87.00

1.50 x 1.50 x 5.00

# 1832

77.00 °

2.50 x 2.50 x 4.00

# 1705

87.00

2.00 x 2.00 x 5.00

# 1833

77.50 ¹

2.00 x 2.00 x 4.00

# 1818

88.00

1.50 x 1.50 x 5.00

# 1834

77.50 ¹

2.50 x 2.50 x 4.00

# 1697

88.00

2.00 x 2.00 x 5.00

# 1839

78.00 ²

2.00 x 2.00 x 4.00

# 1819

62.79

1.50 x 2.00 x 4.00

# 1858

78.00 ²

2.50 x 2.50 x 4.00

# 1814

92.00

1.50 x 2.00 x 4.00

# 1862

83.00 °

2.00 x 2.00 x 4.00

# 1823

94.00

1.50 x 2.00 x 4.00

# 1864

83.00 °

2.50 x 2.50 x 4.00

# 31720

94.00

2.00 x 2.00 x 4.00

# 1869

85.50 °

1.75 x 2.00 x 5.00

# 21893

85.50 °

2.00 x 2.00 x 5.00

# 1708

86.00 ¹

2.00 x 2.00 x 5.00

# 1827

86.50 ²

2.00 x 2.00 x 5.00

# 1828

Standard type 4 engines

Big-bore type 4 engines

cylinder bore (mm)

piston ring thickness (mm)

order No.

cylinder bore (mm)

piston ring thickness (mm)

order No.

90.00 °

2.00 x 2.00 x 5.00

# 41799

96.00

1.59 x 1.59 x 4.76

# 41802

93.00 °

2.00 x 2.00 x 4.00

# 41801

104.00

1.59 x 1.59 x 4.76

# 41803

94.00 °

1.75 x 2.00 x 4.00

# 41800

Standard CT/CZ engines

cylinder bore (mm)

piston ring thickness (mm)

order No.

85.50 °

1.75 x 2.00 x 5.00

# 21893

WBX standard engines

cylinder bore (mm)

piston ring thickness (mm)

order No.

94.00 °

1.75 x 2.00 x 4.00

# 71800