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tion every 50 hours or every season. Replace if
damaged.
Clean cooling system. Chaff or debris may clog engine’s
air cooling system, especially after prolonged operation.
Internal cooling fins and surfaces may require cleaning
to prevent overheating and engine damage. Remove
blower housing and clean as shown
Í.
Clean fuel filter
Fig. 9
WARNING
• Drain fuel tank or close fuel shut-off
valve before cleaning filter
Gasoline Engines: Clean fuel filter screen Ë.
Maintenance Schedule
Follow the hourly or calendar intervals, whichever
occur first. More frequent service is required when
operating in adverse conditions noted below.
First 5 Hours
D Change oil
Every 8 hours or daily
D Check oil level
D Clean around muffler, springs and linkages
Every 25 hours or every season
D Change oil if operating under heavy load or
high ambient temperature
D Service air cleaner pre-cleaner*
Every 50 hours or every season
D Change oil
D Clean and inspect spark arrester, if equipped
D Clean fuel filter**
Every 100 hours or every season
D Service air cleaner cartridge*
D Replace spark plug
D Clean cooling system*
Every season
D Check valve clearance
* Clean more often under dusty conditions,or
when airborne debris or chaff is present.
** If equipped with gaseous fuel in-line filter,
follow equipment manufacturers recom-
mended maintenance.
Partial List of Genuine Briggs & Stratton Parts
CAUTION: Part numbers listed may be model specif-
ic, use correct part to prevent damage to your engine.
Model Series Part
Part
No.
ALL
Oil
(20 oz., 0.59 l)
100005
ALL
Oil
(48 oz., 1.42 l)
100028
ALL
Oil Pump
(uses standard
electric drill)
5056
ALL Fuel Stabilizer 5058
050000
Air Cleaner
Cartridge
711351
050000
Air Cleaner
Pre-cleaner
11352
085400
Air Cleaner
Cartridge
710265
085400
Air Cleaner
Pre-cleaner
710267
050000, 086400,
117400, 118400,
138400, 185400*,
245400*, 246400
Square
Air Cleaner
Cartridge
491588
246400
Square
Air Cleaner
711785
050000, 086400,
117400, 118400,
138400, 185400*,
245400*, 246400
Square
Air Cleaner
Pre-cleaner
491435
185400, 235400,
245400
Air Cleaner
Cartridge
710266
185400,
235400, 245400
Air Cleaner
Pre-cleaner
710268
ALL
(Except 050000,
086400, 118400)
Resistor Spark
Plug
491055
050000,
086400, 118400
Resistor Spark
Plug
711252
ALL OHV engines
(Except 050000,
086400, 118400)
Long Life
Platinum Spark
Plug
491055
ALL Spark Tester 19368
ALL
Spark Plug
Wrench
19374
* If equipped.
STORAGE
Gasoline engines stored over 30 days need to be
protected or drained of fuel to prevent gum from
forming in fuel system or on essential carburetor parts.
For gasoline engine protection, we recommend use of
Briggs & Stratton Fuel Stabilizer available from an
Authorized Briggs & Stratton Service Dealer. Mix
stabilizer with fuel in fuel tank or storage container. Run
engine for a short time to circulate stabilizer through
carburetor. Engine and fuel can be stored up to 24
months.
Note: If stabilizer is not used or if engine is operating on
gasoline containing alcohol, e.g. gasohol, remove all fuel
from tank and run engine until it stops from lack of fuel.
Storage Procedures for Gas/LPG/NG engines.
Fig. 2 Fig. 8
1. Change oil. See Oil service.
2. Remove spark plug and pour about 15 ml (1/2
oz.) of engine oil into cylinder. Replace spark plug
and crank slowly to distribute oil.
3. Clean chaff and debris from cylinder and cylinder
head fins, under finger guard and behind muffler.
4. Store in a clean and dry area, but NOT near a
stove, furnace or water heater which uses a pilot
light or any device that can create a spark.
SERVICE
See an Authorized Briggs & Stratton Service Dealer.
Each one carries a stock of Genuine Briggs & Stratton
Parts and is equipped with special service tools.
Trained mechanics assure expert repair service on all
Briggs & Stratton engines. Only dealers advertising as
Authorized Briggs & Stratton" are required to meet
Briggs & Stratton standards.
When you purchase equipment pow-
ered by a Briggs & Stratton engine, you
are assured of highly skilled, reliable
service at more than 30,000 Authorized
Service Dealers worldwide, including
more than 6,000 Master Service Techni-
cians. Look for these signs wherever
Briggs & Stratton service is offered.
You may locate your nearest Authorized Briggs &
Stratton Service Dealer in our dealer locator map on
our web site www.briggsandstratton.com or in the
Yellow Pages™" directory under Engines,
Gasoline" or Gasoline Engines," or Lawn
Mowers" or similar category.
™
Note: Walking fingers logo and Yellow Pages" are
registered trademarks in various jurisdictions.
An illustrated shop manual includes Theories of
Operation," common specifications and detailed
information covering adjustment, tune-up and repair of
Briggs & Stratton single cylinder, OHV 4 cycle engines.
Order P/N 272147 from an Authorized Briggs &
Stratton Service Dealer.
Insist on Genuine Briggs & Stratton replacement parts
with our logo on the box and/or part. Non-original parts
may not perform as well and may void your warranty.