Johnson J10RLSRD Service Manual page 208

Using retaining ring pliers, install lower main bear-
ing retaining ring with sharp edge of ring facing
out.
33270
Oil the upper main bearing and replace it with the
lettering facing the flywheel end of the crankshaft.
Oil the two roller assemblies and place them
around the center journal of the crankshaft.
Install the center main bearing sleeve with its ring
end facing the lower end of the crankshaft. Secure
sleeves together with retaining ring.
Coat pistons, rings, cylinders, and Ring Compres-
sor, PIN 326591 (PIN 330223 for oversize), with
outboard lubricant.
Center connecting rod in piston and locate piston
rings on their dowel pins. Slide one piston assem-
bly into the respective cylinder bore while guiding
the connecting rod through the block.
1548
IMPORTANT:
The piston rings must be correctly
located on their dowel pins to prevent permanent
powerhead damage.
POWERHEAD
ASSEMBLY - 25/30
IMPORTANT:
Loosely install cylinder head to
prevent pistons from falling out.
Remove the connecting rod caps from the con-
necting rods.
,
I
1543
Place one-half of crankpin bearing on each rod.
35028
Place the crankshaft in position . Align top and
center main bearings with pins in the cylinder
block.
35029
207
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