Briggs & Stratton PROFESSIONAL SERIES 110000 Installation and operation manual

Operating & Maintenance
Instructions
Model 110000 120000 Series covered in this manual
FORM NO. 276348-01/06
PRINTEDINU.S.A.
©Copyright 2006 by Briggs & Stratton Corporation
www.briggsandstratton.com
The Power That Works For You.®

2
Safety References
The safety alert symbol is used to identify safety
information about hazards that can result in personal
injury. A signal word (DANGER, WARNING, or
CAUTION) is used with the alert symbol to indicate the
likelihood and the potential severity of injury. In addition,
a hazard symbol may be used to represent the type of
hazard.
DANGER indicates a hazard which, if not
avoided, will result in death or serious
injury.
WARNING indicates a hazard which, if not
avoided, could result in death or serious
injury.
CAUTION indicates a hazard which, if not
avoided, might result in minor or moderate
injury.
CAUTION, when used without the alert
symbol, indicates a situation that could result
in damage to the engine.
This manual contains safety
information to make you aware of
the hazards and risks associated with engines, and
how to avoid them. Because Briggs & Stratton does
not necessarily know what equipment this engine will
power, it is important that you read and understand
these instructions and the instructions for the
equipment this engine powers.
Table of Contents
Safety References 2..........................
Engine Features 3............................
Operator Safety 4 - 5.........................
Quick Start Instructions 6 - 7...................
Troubleshooting 8............................
ReadystarttEngines 9.......................
Starting and Stopping Instructions 10...........
Oil 11 - 12...................................
Fuel 13....................................
FRESH STARTtFuel Preserver Fuel Cap 14...
Maintenance 15 -- 17.........................
Storage and Service 18......................
Engine Specifications 19.....................
Emission Statement and Warranty 20 - 21.......
Engine Warranty Policy 22 -- 23................
SYMBOLS ASSOCIATED
WITH THIS ENGINE:
Explosion
Toxic Fumes
Moving Parts
Shock
Hot Surface
Kickback
Fire
Fuel Shutoff
Read
Manual
Choke
Oil
Fuel
On Off
Stop
Hazardous
Chemicals Slow
Fast
Briggs & Stratton does not approve or authorize the
use of these engines on 3-wheel All Terrain
Vehicles (ATVs), motor bikes, fun/recreational
go--karts, aircraft products or vehicles intended for
use in competitive events. Use of these engines in
such applications could result in property damage,
serious injury (including paralysis), or even death.
WARNING
The engine exhaust from this product contains
chemicals known to the State of California to cause
cancer, birth defects, or other reproductive harm.
WARNING
This engine is shipped from Briggs & Stratton
without oil. If you start the engine without oil, the
engine will be damaged beyond repair and will not
be covered under warranty.
CAUTION

3
Engine Features
1. Rewind rope handle
2. Fuel cap
3. Air cleaner
4. Primer bulb
5. Spark plug wire
6. Engine identification
Model Type and Date Code
7. Oil fill and dipstick
8. Side oil drain, if equipped
9. Muffler and spark arrester, if
equipped
4
3
2
1
6
5
89
7
6

4
Operator Safety
Gasoline and its vapors are extremely
flammable and explosive.
Fire or explosion can cause severe burns
or death.
WHEN ADDING FUEL
• Turn engine OFF and let engine cool at least
2 minutes before removing gas cap.
• Fill fuel tank outdoors or in well-ventilated
area.
• Do not overfill fuel tank.
• Keep gasoline 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.
WHEN STARTING ENGINE
• Make sure spark plug, muffler, fuel cap and
air cleaner are in place.
• Do not crank engine with spark plug removed.
• If fuel spills, wait until it evaporates before
starting engine.
• If engine floods, set choke to OPEN/RUN
position, place throttle in FAST and crank
until engine starts.
WHEN OPERATING EQUIPMENT
• Do not choke carburetor to stop engine.
WHEN TRANSPORTING EQUIPMENT
• Transport with fuel tank EMPTY.
WHEN STORING GASOLINE OR
EQUIPMENT WITH FUEL IN TANK
• Store away from furnaces, stoves, water
heaters or other appliances that have pilot
light or other ignition source because they
can ignite gasoline vapors.
WARNING
Starting engine creates sparking.
Sparking can ignite nearby flammable
gases.
Explosion and fire could result.
• If there is natural or LP gas leakage in area, do
not start engine.
• Do not use pressurized starting fluids because
vapors are flammable.
WARNING
Fresh StarttFuel Cap
• IF SWALLOWED, call physician immediately.
Do not induce vomiting. If inhaled, remove to
fresh air. In case of eye or skin contact, flush
with water for 15 minutes.
• Store unopened cartridges in a cool, dry,
well-ventilated area. Keep open cartridge in
fuel cap, and fuel cap closed on fuel tank when
not in use.
Contents are HARMFUL OR FATAL IF
SWALLOWED. Avoid contact to eyes,
skin, or clothing. Do not take internally.
Avoid breathing the mist or vapor.
Overexposure to eyes or skin can
cause irritation. KEEP STABILIZER
OUTOFTHEREACHOFCHILDREN.
Fuel stabilizer is a hazardous
chemical.**
• In case of emergency, contact a physician
immediately.
• For material safety information
call 1-800-424-9300
DANGER
** Fuel stabilizer contains: 2,6-di-tert-butylphenol
(128-39-2) and aliphatic petroleum distillate
(64742-47-8).
Your engine may be equipped with a Fresh
StarttFuel Cap
Cartridge is shown with tab
partially removed.

5
Rapid retraction of starter cord
(kickback) will pull hand and arm toward
engine faster than you can let go.
Broken bones, fractures, bruises or
sprains could result.
• When starting engine, pull cord slowly until
resistance is felt, then pull rapidly.
• Remove all external equipment/engine loads
before starting engine.
• Direct coupled equipment components such as,
but not limited to, blades, impellers, pulleys,
sprockets, etc., must be securely attached.
WARNING
WARNING
Rotating parts can contact or entangle
hands, feet, hair, clothing, or accessories.
Traumatic amputation or severe laceration
can result.
• Operate equipment with guards in place.
• Keep hands and feet away from rotating parts.
• Tie up long hair and remove jewelry.
• Do not wear loose-fitting clothing, dangling
drawstrings or items that could become caught.
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.
WARNING
• Allow muffler, engine cylinder and fins to cool
before touching.
• Remove accumulated debris from muffler area
and cylinder area.
• Install and maintain in working order a spark
arrester before using equipment on
forest-covered, grass-covered, brush-covered
unimproved land. The state of California
requires this (Section 4442 of the California
Public Resources Code). Other states may have
similar laws. Federal laws apply on federal land.
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.
Before performing maintenance or repairs:
• Disconnect spark plug wire and keep it away
from spark plug.
• Disconnect battery at negative terminal (only
engines with electric start).
• Use only correct tools.
• Do not strike the flywheel with a hammer or
hard object because the flywheel may later
shatter during operation.
• Do not tamper with governor spring, links or
other parts to increase engine speed.
When testing for spark:
• Use approved spark plug tester.
• Do not check for spark with spark plug
removed.
Unintentional sparking can result in
fire or electric shock.
Fire or explosion can cause severe
burns or death.
Unintentional start-up can result in
entanglement, traumatic
amputation, or laceration.
WARNING

6
See page 11 for details.
HOW?
Unscrew and remove oil cap.
Pour in oil. Replace cap.
WHAT KIND?
High quality SAE 30 motor oil.
HOW MUCH?
To FULL line on dipstick.
Engine holds about 20 oz. (0.61l).
SPECIAL CONCERNS?
Do not overfill.
Do not tip engine.
See page 13 for details.
HOW?
Remove gas cap. Pour in gas. Replace cap.
WHAT KIND?
HOW MUCH?
Fill to one inch below top of fuel fill neck.
SPECIAL CONCERNS?
Fuel equipment outdoors. If fuel spills, wait
until it evaporates before starting engine.
Unleaded, 85 octane or higher.
FULL
ADD OIL
WIPE DIPSTICK.
REPLACE DIPSTICK
AND TIGHTEN CAP.
REMOVE DIPSTICK
TO READ LEVEL.
1
ADD GAS
This manual contains safety information to make you aware of the hazards and risks
associated with engines. Read the Operating Manual before starting your engine.
WARNING
Starting engine creates sparking.
Gasoline and its vapors are extremely
flammable and explosive. Fire or
explosion can cause severe burns or
death.
2 3 4
23 4
1
If fuel spills, wait until it evaporates before starting
engine.
DO NOT use pressurized starting fluids.

7
Rapid retraction of starter cord (kickback)
will pull hand and arm toward engine
faster than you can let go.
Broken bones, fractures, bruises or
sprains could result.
Rotating parts can cause traumatic
amputation or severe laceration can
result.
For complete starting instructions
see page 10.
HOW?
Locate primer bulb. Press with finger. Wait two
seconds between each press.
HOW MANY TIMES?
Press 5 times the FIRST TIME you start engine.
For all future starts, press
3 times.
SPECIAL CONCERNS?
Pressing primer too many times can flood
engine with gas. A flooded engine will not start.
See Troubleshooting section.
HOW?
Stand behind equipment.
Close bail, or operator control bar, on
equipment with this feature. If you do not keep
bail held against equipment handle, engine will
not start.
Slowly pull cord until you feel resistance, then
pull quickly.
SPECIAL CONCERNS?
To Stop Engine --
Let go of bail, or operator control bar, which
activates brake and stops engine from running.
PUSH PRIMER
PULL STARTER HANDLE
14
If ReadyStart ™go to step 4.
If electric start equipped see page 10.
Need assistance? 1-800-233-3723
(USA and Canada ONLY,Pre-recorded message.)
www.briggsandstratton.com
If speed control equipped, start in FAST position.
Also, see warning at right.
2 3
234
1
WARNING
To avoid kickback, slowly pull the cord until you feel
resistance, then pull rapidly.
Keep hands, feet,hair, clothing, or accessories away
from rotating parts.

8
Troubleshooting
WARNING
When starting engine, pull cord slowly until
resistance is felt, then pull rapidly.
Rapid retraction of starter cord (kickback)
will pull hand and arm toward engine faster
than you can let go.
Broken bones, fractures, bruises or
sprains could result.
Engine will Not Start
OutofFuel
• Add fuel to tank.
Engine Flooded
• Set choke (if equipped) to OPEN/RUN position,
and continue to pull starter handle.
Spark Plug Fouling
• Check and ensure the spark plug is clean. Check
the gap with a feeler gage and reset to .51 mm or
.020 in. if necessary.
• If the electrode is burned or worn, replace spark
plug with new spark plug.
This engine is shipped from Briggs & Stratton
without oil. If you start the engine without oil, the
engine will be damaged beyond repair and will
not be covered under warranty.
CAUTION
Ensure fuel cap is in place before starting engine
Turn engine OFF and let engine cool at least 2 min-
utes before removing fuel cap.
Check fuel lines, tank, cap, and fittings frequently
for cracks or leaks. Replace if necessary.
Do not crank engine with spark plug removed.
WARNING
To prevent oil or fuel from entering combustion
chamber or air cleaner, keep the spark plug
side of engine up during transport, when
draining oil, cleaning debris, etc. otherwise
engine damage could occur.
CAUTION
Engine may have been tipped
during transport.
• Check for fouled spark plug.
• Check air cleaner filter for oil saturation.
Squeeze pre--cleaner in clean, absorbant cloth
to remove ALL EXCESS oil. If air cleaner is
saturated, replace with new cartridge.
Gasoline and its vapors are extremely
flammable and explosive.
Fire or explosion can cause severe burns
or death.
Starter Handle will Not Pull
• Close bail or operator control bar.
• Place equipment on flat level surface.
• Remove all external equipment/engine loads before
starting engine.
• Direct coupled equipment components such as, but
not limited to, blades, impellers, pulleys, sprockets,
etc., must be securely attached.
Engine is Smoking or Running Rough

9
ReadystarttInstructions
1. Check the oil level. Ensure level is at FULL mark
on the dipstick. Use a high quality motor oil.
Check the oil recommendations for the correct oil
type to use depending on expected starting
temperatures.
FULL
2. Move speed control to FAST, if equipped. Operate
engine in FAST position.
3. Close bail, or operator control bar on equipment
with this feature.
4. Start your engine. See options at right.
Rewind Start
• Grasp rope handle. Pull slowly until resistance is
felt, then pull rapidly to start engine and avoid
kickback.
Electric Start
• Insert key and turn to start.
• Allow engine to warm up.
To prolong starter life use short starting cycles
(5 seconds maximum, then wait one minute).
Follow equipment manufacturer’s
recommendations for charging battery.
CAUTION
Stopping Engine
• Release bail or operator control bar -- O R -- Move
throttle (if equipped) to SLOW and then STOP
position.

10
Starting Instructions
1. Check oil level. Ensure level is at FULL mark on
dipstick. Use a high quality motor oil. Check the
oil recommendations for the correct oil type to use
depending on expected starting temperatures.
FULL
2. Open fuel shut-off valve1/4 turn, if equipped.
3. Locate primer bulb on the engine and push 3
times -- O R -- rotate choke knob or move choke
control lever to CHOKE position.
Primer Choke
4. Move speed control to FAST,
if equipped. Operate engine
in FAST position.
5. Close bail, operator control
bar on equipment with this
feature.
6. Start your engine. See
options stated here:
Rewind Start
• Grasp rope handle. Pull slowly until resistance is
felt, then pull rapidly to start engine and avoid
kickback.
Electric Start
• Insert key and turn to START.
To prolong starter life, use short starting cycles
(5 seconds maximum, then wait one minute).
Follow equipment manufacturer’s
recommendations for charging battery.
CAUTION
7. Allow engine to warm up.
Note: If choke equipped: Slowly adjust toward RUN
position. Wait until engine runs smoothly before
each choke adjustment.
Stopping Engine
Do not stop engine by moving choke control to
CHOKE. Backfire, fire or engine damage could
occur.
WARNING
1. Move throttle lever (if equipped) to SLOW, then
release safety brake control handle -- O R -- Move
throttle (if equipped) to SLOW and then STOP
position.
2. Push stop switch (if equipped) to OFF -- O R -- Turn
key to OFF. Remove key and store out of reach of
children.
3. Close fuel shut--off valve (if equipped).