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82 CHAPTER FIVE<br />
Cylinder<br />
block<br />
7<br />
surface<br />
3. If the cylinder bore is damaged or excessively worn,<br />
rebore the cylinder bore and install a new piston. If the<br />
piston is worn, but the cylinder bore is acceptable, install a<br />
new piston.<br />
NOTE<br />
Provide the machine shop with the newpiston<br />
so the cylinder can be bored to the correct<br />
dimension.<br />
Piston Ring FitIInstallation<br />
1. Check the ring gap of each piston ring. To do this, position<br />
the ring at the bottom of the ring travel area and<br />
square it by tapping gently with an inverted piston. See<br />
Figure 37.
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