Page 21
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: TORCH F6RTC
NGK BPR6ES
CHAMPION RN9YC or equivalent.
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.
SCREEN
O-ring
CUP
BODY
(b) Remove spark plug using provided wrench.
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
B
A- Spark plug
B- Spark plug cap
c)
(
English Customer Service: 1-844-FIRMAN1
Maintenance Valve Clearance
- Intake:
(
)
- Exhaust: 0.004 - 0.006 in. (0.1 - 0.15 mm)
0.004 - 0.006 in. 0.1 - 0.15 mm
0.028-0.031 in
(0.7-0.8 mm)
Summary of Contents for P06701
Page 4: ...Page 02 English Customer Service 1 844 FIRMAN1 SAFETY PRECAUTIONS WARNING POISONOUS GAS HAZARD...
Page 28: ...Page 26 English Customer Service 1 844 FIRMAN1 FIRMAN 389cc Engine Parts Diagram...
Page 31: ...Page 29 English Customer Service 1 844 FIRMAN1 Wiring Diagram...
Page 64: ...26 Spanish Servicio al Cliente 1 844 FIRMAN1 FIRMAN 389cc Motor DIAGRAMA DE LAS PIEZAS...
Page 67: ...Diagrama de Cableado 29 Spanish Servicio al Cliente 1 844 FIRMAN1...
