82
,..-.-
A
B
o
Cylinder
block
surface
3.
If
the cylinder bore is damaged or excessively worn,
rebore the cylinder bore and install a new piston.
If
the
piston is worn, but the cylinderbore is acceptable, install a
new piston.
NOTE
Provide the machine shop with the new pis-
ton so the cylinder can be bored to the cor-
rect dimension.
CHAPTER FIVE
t
Piston Ring Fit/Installation
1. Check the ring gap
of
each piston ring. To do this, posi-
tion the ring at the bottom
of
the ring travel area and
square it by tapping gently with an inverted piston. See
Figure 37.
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