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EMISSION DATA
EMISSION CONTROL
(EXHAUST ) EPA 2010 and/or C.A.R.B. TIER III
The emission control system for the engine is EM/
TWC (Engine Modification and 3-way Catalyst)
An Emission Control Label is located on the
engine. (This is an example only, information on
label varies by engine family).
PRODUCT EMISSION DURABILITY
(EMISSION COMPLIANCE PERIOD)
The 300 hours emission compliance period is the
time span selected by the manufacturer
certifying the engine emissions output meets
applicable emissions regulations, provided that
approved maintenance procedures are followed
as listed in the Maintenance Section of this
manual.
High Altitude Operation
This engine has been factory adjusted to maintain
satisfactory starting, emission, and durability
performance up to 1100 feet above sea level (ASL)
(96.0 kPa). To maintain proper engine operation
and emission compliance above 1100 feet ASL the
carburetor may need to be adjusted by an
authorized ECHO service dealer.
IMPORTANT
If the engine is adjusted for operation above 1100
feet ASL, the carburetor must be readjusted
when operating the engine below 1100 feet ASL,
otherwise severe engine damage may result.