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Carburetor Adjustment
Never make adjustments to the carburetor. The carburetor was set at the factory to
operate efficiently under most conditions. However, if adjustments are required, see any
Briggs & Stratton Authorized Dealer for service.
NOTICE: The manufacturer of the equipment on which this engine is installed specifies
the top speed at which the engine will be operated. Do not exceed this speed.
How To Replace The Spark Plug - Figure 10
Check the gap (A, Figure 10) with a wire gauge (B). If necessary, reset the gap. Install
and tighten the spark plug to the recommended torque. For gap setting or torque, see the
Specifications section.
Note: In some areas, local law requires using a resistor spark plug to suppress ignition
signals. If this engine was originally equipped with a resistor spark plug, use the same
type for replacement.
How To Access The Spark Plug - Figure 11
To access the spark plug, the snow hood must be removed as follows:
1. Remove the safety key (A, Figure 11). Keep the safety key out of reach of children.
2. Grasp the choke control knob (B) and pull up to remove.
3. Remove the mounting screws (C, Figure 12).
4. Carefully remove the top part of the snow hood (D). Do not disconnect the primer
hose (E) or the stop switch wire (F).
5. The spark plug (G) can now be accessed.
6. Before installation of the snow hood, make sure that the primer hose and the stop
switch wire are connected.
7. Mount the top part of the snow hood to the snow hood base (H). Make sure the top
interlocks with the base. Secure with the mounting screws.
8. Align the slots in the choke control knob with the tabs on the choke shaft (I) and then
push down to install. If the knob is not installed correctly, the choke will not operate.
9. Do not install the safety key until you are ready to start the engine.
Inspect Muffler And Spark Arrester - Figure 13
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.
•
It is a violation of California Public Resource Code, Section 4442, to use or
•
operate the engine on any forest-covered, brush-covered, or grass-covered land
unless the exhaust system is equipped with a spark arrester, as defined in
Section 4442, maintained in effective working order. Other states or federal
jurisdictions may have similar laws. Contact the original equipment
manufacturer, retailer, or dealer to obtain a spark arrester designed for the
exhaust system installed on this engine.
Inspect the muffler (A, Figure 13) for cracks, corrosion, or other damage. Remove the
muffler deflector (B), if equipped, and inspect for damage or carbon blockage. If
replacement parts are required, make sure to use only original equipment replacement
parts.
WARNING:
Replacement parts must be the same and installed in the
same position as the original parts or fire could result.
Air Filter
This engine is not equipped with an air filter. DO NOT use this engine for anything
other than snow removal.
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How To Change The Oil - Figure 2
Used oil is a hazardous waste product and must be disposed of properly. Do not discard
with household waste. Check with your local authorities, service center, or dealer for safe
disposal/recycling facilities.
Remove Oil
1. With engine off but still warm, disconnect the spark plug wire (A) and keep it away
from the spark plug (Figure 14).
Note: To access the spark plug wire, you must first remove the snow hood from the
engine. See How To Access The Spark Plug.
2. Remove the oil drain cap (E, Figure 2). Drain the oil into an approved receptacle.
3. After the oil has drained, install and tighten the oil drain cap.
Add oil
Place engine level.
•
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Clean the oil fill area of any debris.
•
See the Specifications section for oil capacity.
•
Models with oil fill cap
1. Remove the oil fill cap (A, Figure 2).
2. Pour the oil slowly into the engine oil fill (B). Fill to point of overflowing.
3. Replace and tighten the oil fill cap.
Models with extended dipstick
1. Remove the dipstick (C, Figure 3) and wipe with a clean cloth.
2. Pour the oil slowly into the engine oil fill (B). Do not overfill. After adding oil, wait
one minute and then recheck the oil level.
3. Install and tighten the dipstick.
4.
Remove the dipstick and check the oil level. It should be at the top of the full indicator
(D) on the dipstick.
5. Install and tighten the dipstick.
Storage
When Storing Gasoline Or Equipment With Fuel In Tank
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Fuel System
Fuel can become stale when stored over 30 days. Stale fuel causes acid and gum
deposits to form in the fuel system or on essential carburetor parts. To keep fuel fresh,
use Briggs & Stratton FRESH START
drip concentrate cartridge.
There is no need to drain gasoline from the engine if a fuel stabilizer is added according
to instructions. Run the engine for 2 minutes to circulate the stabilizer throughout the fuel
system. The engine and fuel can then be stored up to 24 months.
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.
Troubleshooting
Need Assistance? Go to BRIGGSandSTRATTON.COM or call 1-800-233-3723.
WARNING
Gasoline and its vapors are extremely flammable and explosive.
Fire or explosion can cause severe burns or death.
Store away from furnaces, stoves, water heaters or other appliances that have
pilot lights or other ignition sources because they can ignite gasoline vapors.
®
fuel stabilizer, available as a liquid additive or a
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