Page 393 - 2019 SHOP MANUAL CRF1000/A/D

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CRANKSHAFT/PISTON/CYLINDER
Cross-reference the connecting rod and crankpin codes
to determine the replacement bearing color code [1]. [1]

CRANKPIN BEARING THICKNESS:
A: Blue: Thickest
B: Black:
C: Brown:
D: Green:
E: Yellow: Thinnest

CRANKPIN BEARING SELECTION TABLE:
CONNECTING ROD I.D. CODE
1 2 3
47.000 – 47.006 mm 47.006 – 47.012 mm 47.012 – 47.018 mm
(1.8504 – 1.8506 in) (1.8506 – 1.8509 in) (1.8509 – 1.8511 in)
CRANKPIN A 43.992 – 43.998 mm E (Yellow) D (Green) C (Brown)
O.D. CODE (1.7320 – 1.7322 in)
43.986 – 43.992 mm
B D (Green) C (Brown) B (Black)
(1.7312 – 1.7320 in)
43.980 – 43.986 mm
C C (Brown) B (Black) A (Blue)
(1.7314 – 1.7312 in)

After selecting new bearings, recheck the clearance
with a plastigauge. Incorrect clearance can cause
severe engine damage.

BEARING INSTALLATION

Clean the bearing outer surfaces, crankpin bearing cap
and connecting rod. [1]
Install the crankpin bearings [1] onto the bearing cap
and connecting rod, aligning each tab with each groove.

Align

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