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16- ENG
N003333
Symptom Possible Cause Possible solution
Engine does
not continue
to run after
starting
Spark plug fouling is
sooty or sticky black
a. Clean spark plug. See Spark Plug
under Maintenance.
b. Check spark plug gap, adjust if
needed. See Spark Plug under
Maintenance.
c. Replace spark plug. See
Specifications.
d. If engine still fails to start, con-
tact a B&D Customer Service
Representative at 1-800-544-6986.
Dirty carburetor Contact a B&D Customer Service
Representative at 1-800-544-6986.
Knocking
noise
Improper valve
clearances
Contact a B&D Customer Service
Representative at 1-800-544-6986.
Over speed
or low speed
Governor linkage
stuck or bent
Contact a B&D Customer Service
Representative at 1-800-544-6986.
Throttle shaft stuck Contact a B&D Customer Service
Representative at 1-800-544-6986.
Governor spring bent
or lost
Contact a B&D Customer Service
Representative at 1-800-544-6986.
Spark arrester
clogged
Clean and replace
Low power Bad fuel Drain fuel tank and replace with fresh,
clean, regular unleaded gasoline with a
minimum of 86 octane
No or low
compression
Tighten spark plug. If problem is not
corrected, contact a B&D Customer
Service Representative at 1-800-544-
6986.
Dirty air filter Clean or replace the air filter elements
Improper valve
clearances
Contact a B&D Customer Service
Representative at 1-800-544-6986.
Spark arrester
clogged
Clean and replace
Dirty Carburetor Contact a B&D Customer Service
Representative at 1-800-544-6986.