Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Cylinder Tolerance Specifications

Basic Bore in Cylinder Crankcase for Liner 94.000 - 94.035 Millimeter (mm)
Maximum Tolerance Limit, Lengthwise or Clockwise 0.10 mm
Permissible Ovality and Conicity of Cylinder Bore 0.01 Millimeter (mm)
Permissible Ovality and Conicity of Basic Bore in Crankcase 0.01 Millimeter (mm)
Permissible Tolerance Perpindicular to Crankshaft Axis, Relative to Cylinder Height 0.05 Millimeter (mm)
Permissible Roughness (R3z) of Cylinder Bore 0.002 - 0.004 Millimeter (mm)
Roughness of Crankcase Parting Surface 0.006 - 0.016 Millimeter (mm)
Honing Angle 25 deg
Permissible Waviness of Cylinder Bore 50 % of Roughness
Chamfer of Cylinder Bores See Image