5.
To loosen debris, gently tap the filter (C, Figure 12) on a hard surface. If the filter is
excessively dirty, replace with a new filter.
6.
Remove the pre-cleaner (D, Figure 12) from the filter (C).
7.
Wash the pre-cleaner (D, Figure 12) in liquid detergent and water. Allow the pre-
cleaner to thoroughly air dry. Do not oil the pre-cleaner.
8.
Assemble the dry pre-cleaner (D, Figure 12) to the filter (C).
9.
Install the filter (C, Figure 12) and the pre-cleaner (D) to air filter base (F) and onto
stud (G). Make sure the filter is properly assembled to air filter base and secure
with fastener (E).
10.
Install the cover (B, Figure 12) and secure with the fastener(s) (A). Make sure the
fastener(s) is tight.
Service Fuel System
See Figure: 13, 14
WARNING
Fuel and its vapors are extremely flammable and explosive.
Fire or explosion can cause severe burns or death.
• Keep fuel away from sparks, open flames, pilot lights, heat, and other ignition
sources.
• Check fuel lines, tank, cap, and fittings frequently for cracks or leaks. Replace if
necessary.
• Before cleaning or replacing the fuel filter, drain the fuel tank or close the fuel shut-
off valve.
• If fuel spills, wait until it evaporates before starting engine.
• Replacement parts must be the same and installed in the same position as the
original parts.
Fuel Strainer, if equipped
See Figure: 13
1.
Remove the fuel cap (A, Figure 13).
2.
Remove the fuel strainer (B, Figure 13).
3.
If the fuel strainer is dirty, clean or replace it. If you replace the fuel strainer, make
sure to use an original equipment replacement fuel strainer.
Fuel Filter, if equipped
See Figure: 14
1.
Close the fuel shut-off valve (B, Figure 14) and let the engine run until it stops.
Otherwise, fuel can leak out and cause a fire.
2.
Remove the bowl (C, Figure 14) with a wrench. Clean debris from the filter (A) and
the bowl.
3.
Check the filter (A, Figure 14), gasket (D), and bowl (C) for cracks or other
damage. Replace if necessary.
4.
Install the filter (A, Figure 14), gasket (D), and bowl (C). Tighten with a wrench.
5.
Open the fuel shut-off valve (B, Figure 14) and check for leaks.
Service Cooling System
WARNING
Running engines produce heat. Engine parts, especially muffler, become
extremely hot.
Severe thermal burns can occur on contact.
Combustible debris, such as leaves, grass, brush, etc., can catch fire.
• Allow muffler, engine cylinder and fins to cool before touching.
• Remove accumulated debris from muffler area and cylinder area.
NOTICE
Do not use water to clean the engine. Water could contaminate the fuel
system. Use a brush or dry cloth to clean the engine.
This is an air cooled engine. Dirt or debris can restrict air flow and cause the engine to
overheat, resulting in poor performance and reduced engine life.
1.
Use a brush or dry cloth to remove debris from the air intake grille.
2.
Keep linkage, springs and controls clean.
3.
Keep the area around and behind the muffler, if equipped, free of any combustible
debris.
4.
Make sure the oil cooler fins, if equipped, are free of dirt and debris.
After a period of time, debris can accumulate in the cylinder cooling fins and cause the
engine to overheat. This debris cannot be removed without partial disassembly of the
engine. Have a Briggs & Stratton Authorized Service Dealer inspect and clean the air
cooling system as recommended in the Maintenance Schedule.
Storage
WARNING
Fuel and its vapors are extremely flammable and explosive.
Fire or explosion can cause severe burns or death.
When Storing Fuel Or Equipment With Fuel In Tank
• Store away from furnaces, stoves, water heaters or other appliances that have
pilot lights or other ignition sources because they can ignite fuel vapors.
Fuel System
See Figure: 15
Store the engine level (normal operating position). Fill fuel tank (A, Figure 15) with fuel.
To allow for expansion of fuel, do not overfill above the fuel tank neck (B).
Fuel can become stale when kept in a storage container for more than 30 days. Each
time you fill the container with fuel, add STA-BIL 360°
specified by the manufacturer's instructions. This keeps fuel fresh and decreases fuel-
related problems or contamination in the fuel system.
It is not necessary to drain fuel from the engine when STA-BIL
®
360°
PROTECTION™ is added as instructed. Before storage, turn the engine ON for 2
minutes to move the fuel and stabilizer through the fuel system.
If gasoline in the engine has not been treated with a fuel stabilizer, it must be drained
into an approved container. Run the engine until it stops from lack of fuel. The use of a
fuel stabilizer in the storage container is recommended to maintain freshness.
Engine Oil
While the engine is still warm, change the engine oil. See the Change Engine Oil
section.
Troubleshooting
For assistance, contact your local dealer or go to BRIGGSandSTRATTON.com or call
1-800-233-3723 (in USA).
Specifications
Model: 100000
Displacement
Bore
Stroke
Oil Capacity
Spark Plug Gap
Spark Plug Torque
Armature Air Gap
Intake Valve Clearance
Exhaust Valve Clearance
Model: 130000
Displacement
Bore
Stroke
Oil Capacity
Spark Plug Gap
Spark Plug Torque
Armature Air Gap
Intake Valve Clearance
Exhaust Valve Clearance
Engine power will decrease 3.5% for each 1,000 feet (300 meters) above sea level and
1% for each 10° F (5.6° C) above 77° F (25° C). The engine will operate satisfactorily
®
PROTECTION™ to the fuel as
9.95 ci (163 cc)
2.677 in (68 mm)
1.77 in (45 mm)
16 - 20 oz (,47 - ,59 L)
.030 in (,76 mm)
180 lb-in (20,3 Nm)
.010 - .014 in (,25 - ,36 mm)
.004 - .006 in (,10 - ,15 mm)
.006 - .008 in (,15 - ,20 mm)
12.69 ci (208 cc)
2.756 in (70 mm)
2.13 in (54 mm)
16 - 20 oz (,47 - ,59 L)
.030 in (,76 mm)
180 lb-in (20,3 Nm)
.010 - .014 in (,25 - ,36 mm)
.004 - .006 in (,10 - ,15 mm)
.006 - .008 in (,15 - ,20 mm)
9