Briggs & Stratton PowerBuilt Snow 120000 Series Operating & Maintenance Instructions page 13

Spark Plug
Check the spark plug every season. Replace the spark
plug if upon inspection the electrodes are burned or
worn. Ensure the spark plug is clean. Check the gap
with a feeler gage and reset to .76 mm or 0.30 in. if
necessary. Use only Briggs & Stratton Spark Tester
(part number 19368) to check for spark.
.030" (0.76 mm) WIRE GAGE
Note: In some areas, local law requires using resistor
spark plug to suppress ignition signals. If this engine
was originally equipped with resistor spark plug, use
same type for replacement.
Cleaning Debris
CAUTION
Do not use water to clean engine parts. Water
could contaminate fuel system. Use a brush or dry
cloth.
WARNING
Finger Guard
Engine parts should be
kept clean to reduce the
risk of overheating and
ignition of accumulated
debris.
Combustion Deposits
We recommend that after every 100-300 hours you
have an authorized Briggs & Stratton Service Dealer
remove combustion deposits from the cylinder, cylinder
head, top of piston, and around valves.
Muffler
WARNING
Fuel System
WARNING
Daily or before every use, clean grass, chaff or
accumulated debris from engine. Keep linkage, spring
and controls clean. Keep area around and behind
muffler free of any combustible debris.
CLEAN
Muffler Area
Replacement parts for the
muffler must be the same
and installed in the same
position as the original
parts, otherwise fire can
occur.
Replacement parts for
fuel system (cap, hoses,
tanks, filters, etc.) must
be the same as original
parts, otherwise fire can
occur.
Linkage, Springs
& Controls
13