Spark Plug Maintenance
Changing the spark plug will help your engine
to start easier and run better.
(a) Remove the spark plug cap.
(b) Remove spark plug using provided wrench.
A
B
A- Spark plug
B- Spark plug cap
(
c)
Inspect spark plug for damage and clean
with a wire brush before reinstalling
(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: TORCH F6RTC
NGK BPR6ES
CHAMPION RN9YC or equivalent.
Maintenance Valve Clearance
- Intake: 0.1 0.15 mm (0.004 - 0.006 in.)
-
- Exhaust: 0.1 - 0.15 mm (0.004 - 0.006 in.)
To be performed by knowledgable/experienced
owner or by authorized service center.
English
Cleaning Fuel Strainer
Dirt and water in the fuel are removed by the fuel
strainer.
(a) Remove the strainer cup and throw away water
and dirt.
(b) Clean the screens and strainer cup with gasoline.
(c) Tightly fasten the cup to main body,
making sure to avoid fuel leak.
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.
WARNING
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.
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BODY
SCREEN
O-ring
CUP
Customer Service: 1-844-FIRMAN1