18

EXHAUST SYSTEM

Spark Arrestor Screen

Level2.

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

Level3.

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.

A

B

C

D

E