Exhaust System - Echo PB-201 Operator's Manual

20
Cleaning Cylinder Fins
1. Remove spark lead and spark plug.
2. Remove two upper 3 mm hex screws at recoil starter.
3. Remove five engine cover screws and remove cover from engine.
Clean cylinder fins to allow cooling air to pass freely.
4. Remove spark plug and loosely reassemble engine cover with five
cross head and two hex head screws.
5. Tighten all screws securely.
6. Install spark plug and spark plug lead.

EXHAUST SYSTEM

Spark Arrestor Screen
Level 2.
Tools required: Cross Head Screwdriver, 3 mm Hex Wrench, 25-50 mm
(1-2 in.) medium bristle brush
Parts Required: Spark arrestor screen P/N 14586240630,
(1 ea.) Gaskets P/N V104000030, V104000050
IMPORTANT
Carbon deposits in muffler will cause a drop in engine output and
overheating. Spark arrestor screen must be checked periodically.
1. Remove spark lead and spark plug.
2. Remove two upper 3 mm hex screws at recoil starter.
3. Remove five engine cover screws and remove cover from engine.
Clean cylinder fins with brush to allow cooling air to pass freely.
4. Remove spark arrestor cover (A), gaskets (B) and (C) and spark
arrestor screen (D) from muffler. Replace screen if plugged with
carbon deposits.
NOTE
When cleaning carbon deposit, be careful not to damage the
catalytic body.
5. Install spark arrestor screen, gaskets, and cover.
6. Loosely reassemble engine cover with five cross head and two hex
head screws.
7. Tighten all screws securely.
8. Install spark plug and spark plug lead.
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.
D
C
B
A