Section 02 ENGINE
Subsection 11 (CYLINDER BLOCK)
Close puller claws so that they can be inserted
in end bearing. Holding claws, turn puller shaft
clockwise so that claws open and become firmly
tight against bearing.
Slide puller hammer outwards and tap puller end.
Retighten claws as necessary to always maintain
them tight against bearing. Continue this way un-
til bearing completely comes out.
Cylinder Block Inspection
Cylinder
Check cylinder for cracks, scoring and wear ridges
on the top and bottom of the cylinder. If so, re-
place cylinder.
Cylinder Taper
Measure cylinder bore and if it is out of specifica-
tions, re-hone cylinder sleeve and replace piston
with first oversize.
NOTE:
It is not necessary to have all cylinders
re-honed if they are not all out of specification.
Mixed standard size and oversize cylinders are
allowed.
Measure cylinder bore at 3 recommended posi-
tions. See the following illustration.
R1503motr24A
3
1
2
B
A
1. First measuring diameter
2. Second measuring diameter
3. Third measuring diameter
A. 60 mm (2.362 in)
B. 110 mm (4.331 in)
CYLINDER TAPER IN DIAMETER
NEW MAXIMUM
0.038 mm (.001 in)
SERVICE LIMIT
0.090 mm (.004 in)
Distance between measurements should not ex-
ceed the service limit mentioned above.
Cylinder Out of Round
Measure cylinder diameter in piston axis direction
from top of cylinder. Take an other measurement
90° from first one and compare.
NOTE:
Take the same measuring points as de-
scribed in
CYLINDER TAPER
above.
A
R1503motr25A
B
A. Perpendicular to crankshaft axis
B. Parallel to crankshaft axis
CYLINDER OUT OF ROUND
NEW MAXIMUM
0.008 mm (.0003 in)
SERVICE LIMIT
0.015 mm (.0006 in)
Bearings
To measure the wear of the crankshaft bearings
no. 13
and
no. 14
and balancer shaft bearings
no. 15
, both cylinder block halves with
OLD
bearings have to be screwed together as per
tightening procedure described below.
Measure the inside diameter of the bearings with
a bore gauge.
1
R1503motr33A
ENGINE UPSIDE DOWN
1. Bore gauge
168
smr2009-026
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