Service Manual

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