BBM 21 Push Mower Model: BB21 Zone Start-Kawasaki. Manual - part 1

Bad Boy 

21" Push Mower 

Model:

BB21 Zone Start - Kawasaki

Rev. 

3/2016

Operator’s Manual

Read these instructions carefully and make sure you

 

understand them before using the B

ad Boy Push Mower.

OPERATOR’S MANUAL

INTRODUCTION

 Common sense:

The focus of this manual is HOW to operate and service the equipment safely.  It is not possible to cover every con-
ceivable situation you can face when using this mower.  Therefore use this product only in a manner described in 
this manual.  Operation or handling the machine in any other manner can lead to serious injury or death.  If a 
situation is not described in this manual it should be considered dangerous - and not be done.

If you are unfamiliar with this product make sure that you carefully understand how it functions and practice all 
operations and handling before putting the machine to use.  Familiarize yourself in the presence of an experienced 
operator.  Avoid all situations that are beyond your capability.   

If you still feel uncertain about the operating procedures after reading these instructions DO NOT operate the 
machine until you have consulted an experienced operator.  

If you have further questions you can contact - 

Bad Boy Mowers, by writing or calling, see information below.

Bad Boy Mowers, will willingly be of service and provide you with advice as well as help you to use your product 
both efficiently and safely.  

Bad Boy Inc  

             102 Industrial Dr

Batesville, AR 72501 

USA 

       

Toll Free no:      
Fax no: 

(866) 

622-3269

(870) 

698-2123

PERSONAL SAFETY EQUIPMENT

When working and operating garden equipment - approved personal safety items should be used:

WARNING

CALIFORNIA 

Proposition 65 Warning

The engine exhaust from this product 
contains chemicals known to the State 
of California to cause cancer, birth 
defects or other reproductive harm.

Hearing 

Protection

Eye 

Protection

Protective 

Shoes

Protective

Gloves

Careless or improper use of this Lawn Mower can cause serious or even fatal injury.

 

Carefully read, understand and follow ALL instructions in this manual as well as the 
instructions in the included Owner’s Manual for the engine before using the 

Bad Boy 

Push Mower.  

Allow only competent adults to operate this lawn mower.  It is the owner’s responsibility to 
ensure that all operators of this mower have read and understand the content of this 
manual.

2

NOTICE

The engine is not equipped with a spark arrester 
in the muffl er.  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.  Other states or federal areas 
may have similar laws.  Be aware of local laws and 
regulations.  

SAFETY HAZARDS

CAUTION

HEARING HAZARD

During the normal use of this machine, opera-
tor may be exposed to a noise level equal to or 
higher than 85 dB(A).  Use hearing protection. 

WARNING

ASPHYXIATION HAZARD

Running an engine in a confi ned or badly ven-
tilated area can result in injury or death due to 
asphyxiation or carbon monoxide poisoning.

WARNING

DO NOT MODIFY THE PRODUCT

Under no circumstances may the design of the machine be modifi ed without the permission of the manu-
facturer. Always use genuine parts and accessories.  Unauthorized modifi cations, parts  and/or acces-
sories can result in serious personal injury or the death of the operator or others.  Your warranty may not 
cover damage or liability caused by the use of unauthorized accessories or replacement parts.

SAFETY DEFINITIONS

In this manual a Safety Alert Symbol         followed by the signal words WARNING and CAUTION are used to 
identify safety information about hazards which can result in death, serious injury and/or property damage.

These signal words mean:

        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.

        NOTICE indicates a message not related to personal injury. 

REGISTER THE PRODUCT

Please register your new 

Bad Boy Push Mower by mailing in a copy of this page together with a copy of 

your mower invoice/receipt. 

Registration will allow us to contact you in case of any critical updates or recalls on this machine.  

Product registration has been found helpful in trac

king stolen equipment.

Record the following information for your records:

PURCHASE DATE: ________________

MODEL No: _______________________ 

   SERIAL No: ________________________

ENGINE MODEL: ____________   ENGINE TYPE: ____________ENGINE SERIAL No: __________________

The lawn mower model and serial number as well as the engine model number, engine type and serial number are critical in 
order to obtain the correct service parts.  All engine parts are distributed through the Kawasaki engine dealer networks.  
Please refer to the engine Owner’s Manual that was included with the mower.

Mail information: 

Street 

Address: 

 

______________________________________

Name: ______________________________  City, State, Zip code

: ___________________________________

 Phone Number:_______________________    Email Address:_______________________________________

3

Dealership Purchase From:___________________

CONTENTS

Content  

     Page 

I

ntroduction, personal safety ......................  2

General safety message.............................  2-3

Registration of the product …………………  3

Table of contents …………………………....  4
Lawn mower safety.....................................  4-5

Decals and locations...................................  6
What is what on the product.......... ..............  6

Assembly - setup .............................. 

7-9

Recommended engine oil .......…………… 

8

Recommended fuels...................................  10
Fuel and fuel safety warnings……………...  10
Controls and operation ……………………..  10-11

Maintenance     ...........................................  12-13
Maintenance schedule................................  12
Blade maintenance ................................... 

13

Oil change.................................................. 

13

Warranty .....................................................  15

LAWN MOWER SAFETY 

4

WARNING

Always secure the mower when unattended.  
Never leave the mower in such way that an 
unauthorized person can operate or move the 
mower.

SAFETY PRACTICES FOR WALK-BEHIND MOWERS

This lawn mower is capable of amputating hands and feet 
and throwing objects.  Failure to observe the following safety 
instructions could result in serious injury or death.

I. GENERAL OPERATION

1. Read, understand, and follow all instructions on the
machine and in the manuals before starting.

2. Do not put hands or feet near or under the machine.  Keep
clear of the discharge opening at all times.

3. Only allow responsible adults, who are familiar with these
instructions, to operate this machine.

4. Clear the area of objects such as rocks, wire, toys, etc.,
which could be thrown by the blade.  Stay behind the handle
when the engine is running.

5. Be sure the area is clear of other people before operating.
Stop machine if anyone enters the area.

6. Do not operate machine barefooted or while wearing
sandals.  Always wear substantial footwear (protective shoes).

7. Do not pull machine backward unless absolutely necessary.
Always look down and behind before and while

 moving

backward.

8. Keep the operating area clear of bystanders.  Stop the
blade when crossing gravel surfaces.

9. Do not operate machine without the entire grass catcher, or
mulch plug  and discharge door, rear guards, or other safety
protective devices in place and working.

10.

Never leave a running machine unattended.

11.

Stop the engine and wait until the blade comes to a

complete stop before cleaning the machine, removing grass
catcher, or unclogging the discharge chute.

12.

Operate machine only in daylight or good artifi cial light.

13.

Do not operate machine while under the infl uence of

alcohol or drugs.

14.

Never operate mower in wet grass.  Always be sure of

your footing - walk - never run.

15.

Disengage the drive system, before starting the engine.

16.

If the machine should start to vibrate abnormally, stop

the engine and check for the cause immediately.  Vibration is
generally a warning of trouble.

17.

Always wear approved personal safety equipment such

as

 hearing protection, eye protection, and protective gloves

when

 operating machine.

18.

See manufacturer’s instructions for proper operation

and

 installation of accessories.  Only use accessories

approved by

 Bad Boy Mowers or the engine manufacturer.

WARNING

In order to prevent accidental starting when 
setting up, transporting, adjusting or making 
repairs, always disconnect spark plug wire and 
place wire where it can not come in contact with 
the plug.