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Tappet
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Item
18
Connecting rod
and piston
19
Piston and
piston pin
20
Crankshaft
Procedures
Tool
Remarks
(1)
Remove the camshaft from the crankcase.
To
prevent the
tap-
pets from falling
or
damaging, place
the
side.
(See
Fig.
20.)
crankcase on the
(1)
Remove the tappets from the crankcase.
Before removing put
a mark of intake
or
exhaust on each
tappet.
Fig.
20
Procedures
___
~~ ~
(1)
Scrape off carbon and other foreign de-
posits from the upper parts of the cylin-
der
and piston, and then straighten out
the bent tabs of the lock washers
on
the
connecting rod,
and
remove two pieces
of the bolt.
(2)
Remove the lock washers and connecting
rod cap from the crankshaft.
(3)
Turn the crankshaft until the piston
is
raised up to the hightest position, push
the connecting rod up, and remove the
piston
out
of the top of the cylinder.
(1)
Remove the two clips,
pull
out
the piston
pin, and take the piston off from the
small end of the connecting rod.
(2)
Spread the open ends
of
the piston rings
and remove them
from
the piston.
(1)
Remove the woodruff key (for the mag-
neto).
(2)
Lightly hammer the magneto end of the
crankshaft, and
pull
it out of the crank-
case.
~
Remarks
Be careful not to
damage the
inside
of the
small
end
the connecting rod.
Be careful not
to
break the rings
by
spreading too much.
Be careful not to
damage the
rings
by
spreading
too
much.
I
~~
~
~~~
Tool
10
mm
box
spanner
3r
10
mm spanner
-
11
-