120 MAINTENA NCE AND ADJUSTMENT
j
•
Raise a nd lower e n gin
e speed while tapping on
the muffler with a ru bber mallet until carbon parti-
cles are purged from the muffler.
DANGER
Exhaust gas contains carbon monoxide, a
colorless, odorless poisonous gas. Inhal-
ing carbon monoxide can cause serious
brain injury or death. DO N OT run the en-
gine in enclosed areas. Operate only in a
well-ventilated area.
•
Stop the engine.
•
Replace the gasket with a new one.
•
Install the new gasket and paste it on the muffler
with grea se befo r e installing the spark arrester.
A. Muffler
B. Gasket
•
Install the spark arr
ester in place and tighten the
spark arrester m ounting bolts to the specified
torque.
Tightening Torque
Spark Arrester Moun
ting Bolts:
13 N·m (1.3 k gf ·m, 11
5in·lb)