BMW K75 [114/461] Measuring

BMW K75 [114/461] Measuring
11-66.0
Big end bearing
play-
measuring
Each bearing must be measured individually.
Measure bearing play using Type PG-1 Plastigage BMW
No.
00
2 550. Displace crankpin app. 30°
lrom
bottom
dead centre. Wipe away oil
lrom
crankpin. Place the
Plastigage thread across the entire width
01
the bearing
6-8 mm
lrom
the crankpin centre. Install the bearing shells
groove
10
groove.
The
crankshaft
must
not
be
rotated
afterthis.
Apply torque to the big end bearing shells and tighten with
BMW
tightening angle indicator
11
2 110.
Note:
The crankshaft must not be rotated now.
Tightening torque:
Connecting rod bearing cap nut
Angle
30±3Nm
80° ±
Remove the bearing cap again and measure the width
01
the plastic thread against the scale to determine the
amount
01
bearing play.
For permissible bearing play values, see Specilications,
page
11
- 08.0.
If
the big end bearings need to be renewed, ensure that
the colour marking on the crankpins and big end bearings
match.
8.87
by a kind approval of the BMW AG for
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