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Cleaning Cylinder Fins
1. Remove spark plug lead and spark plug.
2. Remove two upper 3 mm hex screws at recoil starter.
3. Remove engine cover (five screws), pull cover away from engine.
Loosely install spark plug to prevent dirt from entering cylinder.
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, Soft
metal brush
Parts Required: Spark arrestor screen, Gasket
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.
4. Remove spark arrestor covers (A, B), gasket (C) and spark ar-
restor screen (D) from muffler. Replace screen if plugged with
carbon deposits.
NOTE
When cleaning carbon deposit, be careful not to damage the cata-
lytic element inside muffler.
5. Install spark arrestor screen, gasket, and covers.
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.
P
B
ower
lower
o
'
M
Perator
s
D
17
anual
A
B
C
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