Operation CHARM: Car repair manuals for everyone.

Machining Tolerances, Mating Surfaces

Engine 116.96 Engine 117.96
Height "A" of crankcase when new 216.35 - 216.45 Millimeter (mm)245.35 - 245.45 Millimeter (mm)
Minimum Height of the Necessary Material Removal
The stock removal of the crankcase and at the cylinder head combined must not exceed 0.5 mm on any single engine.
216.20 Millimeter (mm)245.20 Millimeter (mm)
Permissible Deviation from the Parallel of the Upper Mating Surfaces to the Crankshaft Center In Longitudinal Direction 0.08 mm 0.08 mm
In Transverse Direction 0.05 mm 0.05 mm
Permissible Deviation from Evenness of the Upper Mating Surfaces 0.02 Millimeter (mm)0.02 Millimeter (mm)
Mean Roughness (Rz) of the Upper Mating Surfaces 0.006 - 0.016 Millimeter (mm)0.006 - 0.016 Millimeter (mm)
Test Pressure: Water Jacket with Air Under Water 3 bar 3 bar