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)

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Block Tolerance Specifications

Height of Cylinder Crankcase When New 242.9 - 242.8 Millimeter (mm)
Minimum Height Following Required Removal of Material 242.5 Millimeter (mm)
Permissible Unevenness of Parting Surface In Logitudinal Direction 0.10 Millimeter (mm)
In Transverse Direction 0.05 Millimeter (mm)
Permissible Roughness of Upper Parting Surface 0.006 - 0.016 Millimeter (mm)
Permissible Deviation in Parallel of Upper Parting Surface in Relation to Longitudinal Direction 0.1 mm
Pressure-Test with Air Under Water in Bar Gauge Pressure 2.0
Chamfer of Cylinder Bores See Service and Repair