PISTON RING
• Install the
oil
ring first, the 2nd ring second, and the 1st ring
last.
NOTE:
• The 1 sf
(1)
and 2nd
<Z>
piston rings differ in shape.
* The 1 sf and 2nd piston rings should be installed with the
mark
facing up.
• First, install a spacer @ into the oil
ri
ng groove, and then
insta
ilihe
two side rails
@.
The spacer and side rails do not
have a des
ig
nated top and bottom. They can be installed
in
any position.
I CAUTION I
When
Installing
the
spacer,
be
careful
not
to
allow
Its
two
ends
to
overlap
in
the
groove
.
® INCORRECT
@ CORRECT
• Position
the
piston ring gaps as shown. Before inserting the
piston into its
cylinder, check that the gaps are properly pasi·
Honed.
® Exhaust side
® Intake side
<5>
2nd ring and lower side rail
@
Upper
side rail
t1J
1
51
ring and
spacer
ENGINE
3·57
(j)
®
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