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Sequence Part to remove
Description
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Precautions
Necessary tools
28 ’ Camshaft
(1) Pull out the camshaft from the
Set the crankcase
crankcase.
sideways so that
it will not fall
i and damage the
! tappets.
29 ; Tappets (1 j Remove the tappets from the
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crankcase.
Be sure to mark
the tappets to
, distinguish them
; from each other;
i one for the intake
1 valve and the
other for the
exhaust valve.
30 Connecting rod ! (1) Scrape off the carbon deposits
i Confirm the 1 e Minus screw-
and piston from the cylinder and piston head. , mounting direc- i
driver
Push open the bend of the connect- tion of the oil
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ing rod lock washer, and remove
two bolts.
scraper. Pliers
(2) Remove the lock washer and con- 1Omm box
netting rod cap from the crank-
spanner
shaft.
(3) Turn the crankshaft until the
piston comes to its top position.
and push the piston from the
upper part of the cylinder.
31
Piston and
piston rings
(1) Remove two clips from the piston
(1) Replace
pin and take out the piston pin. these clips
Remove the piston from the vvit h new
connecting rod. ones: do not
(2) Each of the piston rings can be reuse them.
removed from the piston by open-
ing wide the ring joint.
: (2) Be careful
not to
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damage the
minor rod ;
end.
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(3) Be careful
not to open
the ring
joint exces-
sivelv .
32
Crankshaft (1 j Pull out the crankshaft from the
crankcase. If unable to pull it out
by hand, use a plastic hammer to
gently strike the main bearing
joint tace. and pull the crankshaft
pulled out.
33
Governor shaft
(1) Remove the clip of the governor
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shaft. and pull out the governor
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shaft from the crankcase.
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