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STD EQUIPMENT
!
SPARE PARTS
-
Top ring
' Taper
\
Second ring
Taper
'\
\
Oil ring
I
Fig. 72-72
Taper
I
. \ ',\
x.
Undercut
:.
q \ . .
1244
INSTALLING
THE
CRANKCASE
1) The connecting rod is put into the cylinder while
holding it with the piston ring guide. as shown in Fig.
lo-13 (in the case that a piston ring guide is not
available, press rings inward with fingers and at the
same time. strike down the piston. using a wooden
block).
The connecting rod must be mounted in
place with its @ and MA marks directed to the ball
bearing side of the crankcase.
NOTE:
Apply
a sufficient
quantity
of
oil to the
piston
rings, connecting
rod surfaces,
and cylinder.
NOTE:
The top,
second
and oil rings are fitted
to
the piston
with their ring joints
arranged
90' off each
adjacent
joint.
Fig. 72-73
12-4-5
INSTALLING
THE
CONNECTING
ROD
MAJOR
END
CAP
1
j
Manually turn the crankshaft until the piston reaches
top dead center. Gently strike down the piston head
until the connecting rod touches the crankpin to
install the connecting rod major end cap.
3) The cap is installed with the 011 scraper positioned
right-downward. (See Fig. 13-14.)
NOTE:
Be sure to use a new lock
washer;
and care-
fully bend the washer correctly.
NOTE:
When
the cap has been installed,
turn
the
crankshaft
to see if the connecting
rod moves smooth-
Iv.
NOTE:
The correct
torque
for installing
the connect-
ing rod major end cap is 60 to 80 kg-cm.
NOTE:
See
Table
72-2
for
details
regarding
the
clearances
between
the
piston,
piston
rings,
and
connecting
rod and their counterparts.
Fig. 72-74
OIL SCI
GUIDE
RAPER
-40-
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