Block Dimensions

Block Dimensions:

Height "H" of crankcase when new:
282.25 - 282.35 mm (11.112 - 11.116 in)

Minimum height alter necessary stock removal (1):
281.95 mm (11.100 in)

Permissible unevenness:
Top crankcase contact surface:
0.03 mm (0.0011 in)
Bottom crankcase contact surface:
0.04 mm (0.0016 in)

Permissible deviation of parallelism of top to bottom crankcase contact surface in longitudinal direction:
0.1 mm (0.004 in)

Permissible deviation of parallelism of top to bottom crankcase contact surface in transverse direction:
0.05 mm (0.002 in)

Peak to valley height (Rz):
Top crankcase contact surface
0.005 - 0.020 mm (0.0002 - 0.0008 in)
Bottom crankcase contact surface:
0.025 mm (0.001 in)

Test pressure with air under water in bar gauge:
1.5 bar (21.76 psi)

(1) The stock removal at the crankcase and cylinder head of an engine must together not be more than 0.4 mm (0.016 in)