Measure the piston pin bore, and the piston pin
outer diameter.
Pin outer diameter service limit:
9.96 mm (for 50cc engine)
11.6 mm (for 100cc engine)
Pin bore service limit:
10.04 mm (for 50cc engine)
12.04 mm (for 100cc engine)
Measure the connecting rod small end inner diameter
with an inside micrometer.
Service limit: 14.06 mm (for 50cc engine)
15.06 mm (for 100cc engine)
6.4 INSTALLATION
Install the piston rings with the marks facing up.
Do not damage the piston rings by spreading
the ends too far.
Clean the cylinder gasket surface being careful not to drop
any gasket material into the crankcase.
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Содержание ATV BXL 100
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