SPARK
PLUG
FOULED
possible
Causes
Carburetor running too rich
Clogged air cleaner element
Weakignition
syslem
Worn rings and/or cylinder
Use of leaded fuel
Fuel/oil mixture too rich
Wrong oil
Incorrect spark plug
~-
Use correct spark plug
Clean-!rebuild carburetor
Clean and re-oil element
or
replace
Rebuild engine or
short block
Drain fuel tank and replace with fresh, unleaded
Drain fuel tank and
fill
with fuel of correct mixture
Use Tor0 2-Cycle, or
NMMA
certified ashless oil
Replace CD ignition pack
regular fuel, having the correct oil mixture
(32:
1
)
Reference Section
3-7
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