Maintenance; Emissions Control - Briggs & Stratton 120000 Operator's Manual

WARNING
Fuel and its vapors are extremely flammable and explosive.
Fire or explosion can cause severe burns or death.
When Starting Engine
Ensure that spark plug, muffler, fuel cap and air cleaner (if equipped) are in

place and secured.
Do not crank engine with spark plug removed.

If engine floods, set choke (if equipped) to OPEN/RUN position, move throttle

(if equipped) to FAST position and crank until engine starts.
WARNING
POISONOUS GAS HAZARD. Engine exhaust contains carbon
monoxide, a poisonous gas that could kill you in minutes. You
CANNOT see it, smell it, or taste it. Even if you do not smell exhaust
fumes, you could still be exposed to carbon monoxide gas. If you start
to feel sick, dizzy, or weak while using this product, shut it off and get
to fresh air RIGHT AWAY. See a doctor. You may have carbon
monoxide poisoning.
Operate this product ONLY outside far away from windows, doors and vents to

reduce the risk of carbon monoxide gas from accumulating and potentially being
drawn towards occupied spaces.
Install battery--operated carbon monoxide alarms or plug--in carbon monoxide

alarms with battery back-up according to the manufacturer's instructions.
Smoke alarms cannot detect carbon monoxide gas.
DO NOT run this product inside homes, garages, basements, crawlspaces,

sheds, or other partially-enclosed spaces even if using fans or opening doors
and windows for ventilation. Carbon monoxide can quickly build up in these
spaces and can linger for hours, even after this product has shut off.
ALWAYS place this product downwind and point the engine exhaust away from

occupied spaces.
WARNING
Unintentional sparking can result in fire or electric shock.
Unintentional start-up can result in entanglement, traumatic
amputation, or laceration.
Fire hazard
Use a 3-wire extension cord.

First attach extension cord to electric starter connector and then into a wall

receptacle. If additional extension cord is required, use a 3-wire.
If the supply cord is damaged, it must be replaced by the manufacturer or its

service agent or a similarly qualified person in order to avoid a hazard.
NOTICE: 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.
Note: Some engines and equipment have remote controls. See the equipment manual
for location and operation of remote controls.
1. Check the oil level. See the How To Check/Add Oil section.
2. Make sure equipment drive controls, if equipped, are disengaged.
3. Move the throttle control lever (B), if equipped, to the fast
Operate the engine with the throttle control lever in the fast position.
4. Turn the fuel shut-off valve (A), if equipped, to the on position (Figure 4).
5. Insert the key (C), if equipped, and turn to the on/start
or
Push in the safety key (D), if equipped.
6. Turn the choke control knob (J) to the choke
Note: Choke is usually unnecessary when restarting a warm engine.
7. Push the primer (F) two times. See Figure 4.
Note: Priming is usually unnecessary when restarting a warm engine.
8. Rewind Start: Firmly hold the starter cord handle (G, Figure 4). Pull the starter cord
handle slowly until resistance is felt, then pull rapidly.
en
position (Figure 4).
position
position.
NOTE: If the engine does not start after repeated attempts, contact your local dealer
or go to BRIGGSandSTRATTON.COM or call 1-800-233-3723 (in USA).
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.
9. Electric Start: First connect the extension cord to the power cord receptacle (H, 120
Volt) or (K, 230 Volt) and then into a wall receptacle. See Figure 5. If an additional
extension cord is required, make sure to use a 3-wire grounded extension cord.
WARNING:
If the extension cord is damaged, it must be replaced by the
manufacturer or its service agent or a similarly qualified person in order to avoid a
hazard.
10. Electric Start: Depress the push button (I). After you start the engine, first
disconnect the extension cord from the wall receptacle and then from the power cord
receptacle (H, K).
NOTE: If the engine does not start after repeated attempts, contact your local dealer
or go to BRIGGSandSTRATTON.COM or call 1-800-233-3723 (in USA).
NOTICE: To extend the life of the starter, use short starting cycles (five seconds
maximum). Wait one minute between starting cycles.
11. Allow the engine to warm up for several minutes. Then, slowly move the choke
control knob to the run position.
How To Stop The Engine - Figure 6
WARNING
Fuel 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. Turn the key (C), if equipped, to the off
or
Remove the safety key (D), if equipped.
or
Move the throttle control lever (B), if equipped, to slow
position.
2. Remove the key (C, D). Keep the key out of reach of children.
3. After the engine stops, turn the fuel shut-off valve (A) to the closed position.

Maintenance

We recommend that you see any Briggs & Stratton Authorized Dealer for all
maintenance and service of the engine and engine parts.
NOTICE: All the components used to build this engine must remain in place for proper
operation.
WARNING:
When performing maintenance that requires the unit to be
tipped, the fuel tank must be empty or fuel can leak out and result in a fire or
explosion.

Emissions Control

Maintenance, replacement, or repair of the emissions control devices and systems
may be performed by any off-road engine repair establishment or individual.
However, to obtain "no charge" emissions control service, the work must be performed
by a factory authorized dealer. See the Emissions Warranty.
position (Figure 6).
and then to the stop
7