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A
D
C
B
E
EXHAUST SYSTEM
Spark Arrestor Screen
Level 2.
Tools required: Cross head screwdriver, soft metal brush
Parts Required: Spark arrestor screen. Gaskets (3)
IMPORTANT
Carbon deposits in muffler will cause a drop in engine output and
overheating. Spark arrestor screen must be checked periodically.
1. Remove spark plug and engine cover (five screws).
2. Remove spark arrestor cover (A), gaskets (B, C, D) and spark
arrestor screen (E) from muffler.
NOTE
When cleaning carbon deposits, be careful not to damage the
catalytic element inside muffler.
3. Clean carbon deposits from muffler components.
4. Replace screen if it is cracked, plugged, or has holes burned
through.
5. Assemble components in reverse order.
Cylinder Exhaust Port
Level 3.
IMPORTANT
The cylinder exhaust port must be inspected and cleaned of excess
carbon every 3 months or 90 hours of operation in order to
maintain this engine within the emissions durability period. ECHO
strongly recommends that you return your unit to your ECHO
dealer for this important maintenance service.