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4. ENGINE
Engine mod-
Undersize
el
The crankshaft journal must be fine-finished to higher than Rmax
= 0.8 S
*
Holes to be de-burred and edges rounded with 1.0 to 1.5 mm
(0.040 to 0.059 in.) relief.
A:
Dimension A
B:
Dimension B
6.34 Replacing crankshaft bearing 1
Tools required
• Crankshaft bearing 1 replacing tool
Removing crankshaft bearing 1
1. Press out the used crankshaft bearing 1 with the
crankshaft bearing 1 replacing tool.
Installing crankshaft sleeve
1. Clean a new crankshaft bearing 1 and crankshaft
journal bore and apply engine oil to them.
2. Make sure that the seam (1) of the new bearing 1
(2) points to the exhaust manifold side (see the
figure).
3. Press fit the new crankshaft bearing 1 (2) with the
crankshaft bearing replacing tool.
Service specifi-
Dimension (A)
cation
4-68
0.2 mm
0.4 mm
0.008 in.
0.02 in.
C:
Dimension C
0.00 to 0.30 mm
0.00 to 0.011 in.
(1) Seam
(2) Crankshaft bearing 1
(3) Crankcase
6.35 Checking oil clearance between
crankshaft journal and crankshaft
bearing 2, 3
Tools required
• Plastigauge
1. Clean the crankshaft journal and crankshaft
bearing.
2. Put a strip of plastigauge on the center of the
journal.
IMPORTANT
• Do not put the plastigauge into the oil hole
of the journal.
3. Install the main bearing case.
4. Tighten the main bearing case screws 1 to the
specified torque.
NOTE
• When you tighten the main bearing case
screws 1, do not move the crankshaft.
Tightening tor-
Main bearing case
que
screw 1
5. Remove the main bearing case again.
SERVICING
6. Servicing
(A) Dimension
30 to 34 N⋅m
3.0 to 3.5 kgf⋅m
22 to 25 lbf⋅ft
05-E4B SERIES,05-E4BG SERIES
KiSC issued 03, 2023 A
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