Spark Plug Maintenance
Changing the spark plug will help your engine
to start easier and run better.
(a) Remove the spark plug cap.
(d) Adjust the electrode gap to 0.7 to 0.8 mm
(0.028” to 0.031”).
(e) Seat spark plug in position and thread by
hand to prevent cross threading.
(f)Tighten plug with provided wrench and put
the cap back on spark plug.
SPARK PLUG: LD E6RTC
NGK BPR6HS
BOSCH W26BC or equivalent
CLEANING FUEL STRAINER
Clean the screen with gasoline every 50 hours.
(b) Remove spark plug using provided wrench.
(c)Inspect spark plug for damage and clean
with a wire brush before reinstalling
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.
Exhaust heat/gases could ignite combustibles,
structures or damage fuel tank causing a fire,
resulting in death or serious injury and/or
property. Contact with muffler area could cause
burns resulting in serious injury.
WARNING
A- Spark plug
B- Spark plug cap
English Customer Service: 1-844-FIRMAN1
21
Maintenance Valve Clearance
- Intake: 0.08 0.12 mm (0.003 - 0.005 in.)
- Exhaust: 0.08 - 0.12 mm (0.003 - 0.005 in.)
-
To be performed by knowledgable/experienced
owner or by authorized service center.
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