POWERHEAD
ASSEMBLY - 25/30
Install piston rings
on
each piston. Tapered ring
must be installed
in
top groove. Spread each ring
with a ring expander just enough to
slip it over the
head of the piston
and
down into place.
Clean the seal bore of the crankcase head and
install a new seal using Seal Installer,
PIN
333520. Apply Gasket Sealing Compound to
the
metal casing of the seal
and
press the seal
into the crankcase head until the tool
is
seated.
The sharp edge of the seal's metal case must face
the
tool during installation. Lightly coat the seal
lips
with Triple-Guard grease.
Install a new lower main bearing. Oil the
end
of
the crankshaft.
Use
Crankshaft BearinglSleeve
Installer,
PIN
339749,
to
install bearing. Support
the crankshaft between the two
lower counter-
weights and press against the
lettered side of the
bearing.
Install bearing until it seats
in
the crank-
shaft.
206
Install a new crankshaft sleeve. Oil the end of the
crankshaft.
Place the sleeve
in
Crankshaft Bear-
ing/Sleeve Installer,
PIN
339749, and drive the
sleeve onto the crankshaft until the installer con-
tacts the
lower main bearing.
•
If
the installer sticks
on
the sleeve after installa-
tion, thread Slide Hammer,
PIN
391008, onto
installer and pull
off.
IMPORTANT: Inspect sleeve surface after
installing. Sleeve must not be used if surface
is
damaged.
Lubricate a new driveshaft
O-ring and lightly lubri-
cate crankshaft splines with Moly Lube. Install
0-
ring
in
sleeve.
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