English Customer Service: 1-844-FIRMAN1Page
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(d) Put the element in the case and install it
securely.
(e) Reattach the air filter cover.
(f) Reinstall the air cleaner cover and tighten the
cover screw securely.
Spark Plug Maintenance
Changing the spark plug will help your engine to
start easier and run better.
(a) Remove the maintenance cover.
(b) Remove the spark plug cable from the spark
plug.
(c)Remove spark plug using provided wrench.
(d) Inspect spark plug for damage and clean
with a wire brush before reinstalling (e) Adjust
the electrode gap to 0.7 to 0.8 mm
(0.028” to 0.031”).
(f) Seat spark plug in position and thread by hand
to prevent cross threading. (g) Tighten plug with
provided wrench and put the cap back on spark
plug.
SPARK PLUG: TORCH F6RTC
NGK BPR6ES
CHAMPION RN9YC
Inspect Muffler and Spark Arrester
Inspect the muffler for cracks, corrosion, or other
damage. Remove the spark arrester, if equipped,
and inspect for damage or carbon blockage. If
replacement parts are required, make sure to use
only original equipment replacement parts.