Bearing Installation - Honda CRF1000 Shop Manual

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CRANKSHAFT/PISTON/CYLINDER
Cross-reference the main journal and bearing support
codes to determine the replacement bearing color code
[1].
MAIN JOURNAL BEARING THICKNESS:
A: Blue:
B: Black:
C: Brown:
D: Green:
E: Yellow: Thinnest
MAIN JOURNAL BEARING SELECTION TABLE:
MAIN JOURNAL
O.D. CODE
After selecting new bearings, recheck the clearance
with a plastigauge. Incorrect clearance can cause
severe engine damage.

BEARING INSTALLATION

Clean the bearing outer surfaces and crankcase
bearing supports.
Install the main journal bearing inserts [1] onto the
crankcase bearing supports, aligning each tab with
each groove.
15-8
Thickest
44.004 – 44.010 mm
1
(1.7324 – 1.7327 in)
43.998 – 44.004 mm
2
(1.7322 – 1.7324 in)
43.992 – 43.998 mm
3
(1.7320 – 1.7322 in)
[1]
BEARING SUPPORT I.D. CODE
A
47.000 – 47.006 mm 47.006 – 47.012 mm
(1.8504 – 1.8506 in) (1.8506 – 1.8509 in)
E (Yellow) D (Green)
D (Green) C (Brown)
C (Brown) B (Black)
Align
[1]
B C
47.012 – 47.018 mm
(1.8509 – 1.8511 in)
C (Brown)
B (Black)
A (Blue)