WARNING
Engines give off carbon monoxide, an odorless, colorless, poison gas. Breathing carbon monoxide can cause nausea, fainting or death.
•Start and run engine outdoors.
•Do not start or run engine in enclosed area, even if doors or windows are open.
CAUTION: This engine was shipped from Briggs & Stratton without oil. Before you start the engine, make sure you add oil according to the instructions in this manual. If you start the engine without oil, it will be damaged beyond repair and will not be covered under warranty.
WARNING: Rapid retraction of the starter cord (kickback) will pull your
hand and arm toward the engine faster than you can let go. Broken bones, fractures, bruises or sprains could result. When starting engine, pull the starter cord slowly until resistance is felt and then pull rapidly to avoid kickback.
7.Electric Start: Turn the electric start switch to the on/start position. See the equipment manual for the location and operation of the switch.
Note: If the engine does not start after three attempts, repeat Steps 4, 5, and 7. If it still does not start, go to BRIGGSandSTRATTON.COM or call
CAUTION: To extend the life of the starter, use short starting cycles (five seconds maximum). Wait one minute between starting cycles.
Before starting the engine, you must determine the type of starting system that is on your engine. Your engine will have one of the following types.
•Ready Start® System: This features a temperature controlled automatic choke. It does not have a manual choke or a primer.
•Primer System: This features a red primer to be used for starting in cool temperatures. It does not have a manual choke.
To start your engine, follow the instructions for your type of starting system.
Ready Start® System - Figure 5 61.Check the oil level. See the How To Check/Add Oil section.
2.Make sure equipment drive controls, if equipped, are disengaged. See the equipment manual for location and operation of these controls.
3.Move the throttle control (A, Figure 5), if equipped, to the fast 
position.
Operate the engine in the fast 
position.
4.If the product is equipped with an engine stop lever (C), hold the engine stop lever against the handle (Figure 6).
5.Rewind Start: Firmly hold the starter cord handle (D). Pull the starter cord handle slowly until resistance is felt, then pull rapidly (Figure 5).
Note: If the engine does not start after three attempts, go to BRIGGSandSTRATTON.COM or call
WARNING: Rapid retraction of the starter cord (kickback) will pull your
hand and arm toward the engine faster than you can let go. Broken bones, fractures, bruises or sprains could result. When starting engine, pull the starter cord slowly until resistance is felt and then pull rapidly to avoid kickback.
6.Electric Start: Turn the electric start switch to the on/start position. See the equipment manual for the location and operation of the switch.
Note: If the engine does not start after three attempts, go to BRIGGSandSTRATTON.COM or call
CAUTION: To extend the life of the starter, use short starting cycles (five seconds maximum). Wait one minute between starting cycles.
Primer System - Figure 5 61.Check the oil level. See the How To Check/Add Oil section.
2.Make sure equipment drive controls, if equipped, are disengaged. See the equipment manual for location and operation of these controls.
3.Move the throttle control (A, Figure 5), if equipped, to the fast 
position.
Operate the engine in the fast 
position.
4.Push the red primer (B) three times.
Note: Priming is usually unnecessary when restarting a warm engine.
Note: If you push the primer too many times, excessive fuel will flood the engine and it will be difficult to start.
5.If the product is equipped with an engine stop lever (C), hold the engine stop lever against the handle (Figure 6).
6.Rewind Start: Firmly hold the starter cord handle (D). Pull the starter cord handle slowly until resistance is felt, then pull rapidly (Figure 5).
Note: If the engine does not start after three attempts, repeat Steps 4, 5, and 6. If it still does not start, go to BRIGGSandSTRATTON.COM or call
WARNING
Gasoline and its vapors are extremely flammable and explosive. Fire or explosion can cause severe burns or death.
•Do not choke the carburetor to stop engine.
1.Release the engine stop lever lever (E, Figure 6) or
Engine with Throttle Control: Move the throttle control (A, Figure 5) to the stop 
position
or
Engine with Electric Start: Turn the electric start switch to the off/stop position. See the equipment manual for the location and operation of the switch.
Maintenance
Use only original equipment replacement parts. Other parts may not perform as well, may damage the unit, and may result in injury. In addition, use of other parts may void your warranty.
We recommend that you see any Briggs & Stratton Authorized Dealer for all maintenance and service of the engine and engine parts.
CAUTION: All the components used to build this engine must remain in place for proper operation.
Emissions ControlMaintenance, replacement, or repair of the emissions control devices and systems may be performed by any
WARNING
Unintentional sparking can result in fire or electric shock.
Unintentional
Fire hazard
Before performing adjustments or repairs:
•. Disconnect the spark plug wire and keep it away from the spark plug.
•Use only correct tools.
•Do not tamper with governor spring, links or other parts to increase engine speed.
•Replacement parts must be the same and installed in the same position as the original parts.
•Do not strike the flywheel with a hammer or hard object because the flywheel may later shatter during operation.
When testing for spark:
•Use approved spark plug tester.
•Do not check for spark with spark plug removed.
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