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MAINTENANCE
Exhaust Port Cleaning
Level 2.
Parts Required: As needed - Heat Shield
1.
Remove spark plug lead from
spark plug, and remove muffler
cover.
2.
Place piston at top dead center.
Remove muffler and heat
shield.
3.
Use a wood or plastic scraping
tool to clean deposits from
cylinder exhaust port.
Never use a metal tool to scrape carbon from the exhaust port. Do
not scratch the cylinder or piston when cleaning the exhaust port. Do
not allow carbon particles to enter the cylinder.
4.
Inspect heat shield, and replace if damaged.
5.
Install heat shield and muffler.
6.
Tighten muffler mounting bolts (or nuts) to 90-110 kgf•cm (80-95 lbf•in).
7.
Install engine cover and attach spark plug lead.
8.
Start engine, and warm to operating temperature.
9.
Stop engine, and re-tighten mounting bolts (or nuts) to specifications.
32
HC-2210 / 2810
X7702248101
© 10/21 ECHO Incorporated
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