Crankshaft

/ 900 / 1998 / 2. Engine / Basic engine, V6 / Technical data / Crankshaft

Crankshaft

General data

End float	mm	0.1-0.76
Maximum journal out-of-round	mm	0.003
Maximum permitted rotational variation	mm	0.05

Big-end bearing journal diameter

Standard	mm	48.971-48.987
First undersize (0.25)	mm	48.721-48.737
Second undersize (0.5)	mm	48.471-48.487
Big-end bearing clearance	mm	0.013-0.061

Main bearing journal diameter

Standard	mm	67.980-67.996
First undersize	mm	67.730-67.746
Second undersize	mm	67.480-67.496
Main bearing clearance	mm	0.014-0.043

Main bearings

	Standard size				Under size -0.25				Under size -0.50
Marking cyl. block	0		1		0		1		0		1
Size main bearing seat	72.0000-72.0065		72.0065-72.0130		72.0000-72.0065		72.0065-72.0130		72.0000-72.0065		72.0065-72.0130
Marking crankshaft	Green	Brown	Green	Brown	-	-	-	-	-	-	-	-
Size main bearing journals	67.980- 67.988	67.988- 67.996	67.980- 67.988	67.988- 67.996	67.730- 67.738	67.738- 67.746	67.730- 67.738	67.738- 67.746	67.480- 67.488	67.488- 67.496	67.480- 67.488	67.488- 67.496
Bearing cup in cylinder block	Brown	Brown	Green	Green	Brown/blue	Brown/blue	Green/blue	Green/blue	Brown/white	Brown/white	Green/white	Green/white
Bearing cup in bearing cap	Green	Brown	Green	Brown	Green/blue	Brown/blue	Green/blue	Brown/blue	Green/white	Brown/white	Green/white	Brown/white
Resulting bearing clearance (mm)	0.0160- 0.0425	0.0140- 0.0405	0.0165- 0.0430	0.0145- 0.0410	0.0160- 0.0425	0.0140- 0.0405	0.0165- 0.0430	0.0145- 0.0410	0.0160- 0.0425	0.0140- 0.0405	0.0165- 0.0430	0.0145- 0.0410

Permitted resulting bearing clearance				mm	0.0140-0.0430

	Brown		Green		Brown/blue		Green/blue		Brown/white		Green/white
Bearing thickness (mm)	1.989-1.995		1.995-2.001		2.114-2.120		2.120-2.126		2.239-2.245		2.245-2.251

Warning

Always measure the bearing clearance before assembling the engine.

Important
The main bearing halves in bearing caps 2 and 3 have no oilway.