Block Dimensions

Height "H" of crankcase when new:
292.45 ± 0.05 mm (11.514 ± 0.002 in)

Minimum height alter necessary stock removal:
292.35 mm (11.510 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)

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)

NOTES:
Chamfer cylinder bores after completing machine work.
If the crankcase mating surface has been remachined, the cam timing must be reset.
The timing case cover must be bolted tight to the crankcase and also machined when machining the top or bottom crankcase mating surfaces.