Order
Tool
Remarks
Procedures
Item
I
I
I
i
19
20
Connecting rod
and piston
I
Piston and
piston pin
(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
oil
scraper, lock washer and
connecting rod cap from the crankshaft.
(3)
Turn the crankshaft until the piston
is
raised up
to
the highest position,
push
the connecting rod up, and remove the
piston out of the top of the cylinder.
(1
j
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 frGm the piston.
In
the
EYI
5B type,
or
10
mm spanner move the connecting
10
mm box spanner
shown in
Fig.
24.
rod to the position
Be careful not
to
damage the inside
of
the small end of
the connecting rod.
Be careful not
to
break the rings
by
spreading too much.
I
(1)
Remove the woodruff
key
(for the Be careful not
to
magneto).
damage the
oil
seal.
(2)
Lightly hammer the magneto end
of
the crankshaft, and pull it out of the
crankcase.
22
Be careful not to
(1)
Remove the woodruff key (for the Crankshaft
Camshaft Chain damage the oil seal.
magneto).
(for
EY15B)
(2)
Remove the crankshaft and the camshaft
at the same time from the crankcase,
To
prevent the tappets
case
on
the side.
side.
aging, place the crank-
tapping the crankshaft tip in the magneto
from
failing or
dam-
Piston
Ring
Piston
iston Pin
"
joodruff
Key
Connecting
Rod
Crankshaft
\
Fig.
24
(E
Y
15B)
-
26
-
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