ES-250 MAINTENANCE
X7501182906 37
© 9/2018 ECHO Inc.
6. Tighten all screws securely.
7. Attach spark plug lead.
Exhaust Port Cleaning
Level 2.
1. Remove spark plug lead from
spark plug, and remove engine
cover.
2. Place piston at top dead center.
Remove muffler (A) and heat
shield (B).
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 70-80 kgf•cm (60-70
in•lbf).
7. Loosely reassemble engine
cover.
8. Tighten all screws securely.
9. Attach spark plug lead.
10. Start engine, and warm to
operating temperature.
11. Stop engine, and re-tighten
mounting bolts (or nuts) to specifications.
Parts Required: As needed: Heat Shield
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