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3�2�9 To do a check of the piston ring, piston
and cylinder
1. Do a check for wear on the piston and piston ring.
2.
Do not set the open side of the ring parallel with the
piston pin.
3. Set the open side between the piston rings to
mismatch at least 90 degrees.
3�2�10 To do a check of the cylinder head and
valve
1. Do a check that the clinder surface is in good
condition and do not have breakages or air holes.
2. Do a check of the valves, make sure they are
installed in the correct locations.
3. Do a check that the cylinder circles are in good
condition and that the valves match the cylinder
heads.
Appendices and schedules
English – 21
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Table of Contents
Troubleshooting
