MAINTENANCE PAS-225 VP
38 X7732274200
© 5/2017 ECHO Inc.
3. Use a wood or plastic scraping
tool to clean deposits from cyl-
inder exhaust port (C).
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 in•lbf).
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.
Carburetor Adjustment
Level 2.
When carburetor adjustment is completed, the cutting attach-
ment should not move at idle, otherwise serious personal injury
may result.
If the engine is adjusted for operation above 1,100 feet ASL, the car-
buretor must be re-adjusted when operating the engine below 1,100
feet ASL, otherwise severe engine damage may result.
Engine Break-In
New engines must be operated a minimum duration of two tanks of fuel
break-in before carburetor adjustments can be made. During the break-in
period your engine performance will increase and exhaust emissions will
stabilize. Idle speed can be adjusted as required.
High Altitude Operation
This engine has been factory adjusted to maintain satisfactory starting,
emission, and durability performance up to 1,100 feet above sea level (ASL)
(96.0 kPa). To maintain proper engine operation and emission compliance
above 1,100 feet ASL the carburetor may
need to be adjusted by an
authorized ECHO service dealer.
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