Troy-Bilt TB51BP, Operator'S Manual

2

TABLE OF CONTENTS 

Service  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Safety  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Know Your Unit  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Specifications  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Oil and Fuel  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Starting and Stopping  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Operation  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Maintenance  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Cleaning and Storage  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Troubleshooting  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Warranty  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

SAFETY

SPARK ARRESTOR NOTE 

NOTE: For users on U.S. Forest Land and in the states of 
California, Maine, Oregon and Washington.

 All U.S. Forest Land 

and the state of California (Public Resources Codes 4442 and 
4443), Oregon and Washington require, by law that certain internal 
combustion engines operated on forest brush and/or grass-covered 
areas be equipped with a spark arrestor, maintained in effective 
working order, or the engine be constructed, equipped and 
maintained for the prevention of fire. Check with your state or local 
authorities for regulations pertaining to these requirements. Failure 
to follow these requirements could subject you to liability or a fine. 

This unit is factory equipped with a spark arrestor.

 If it requires 

replacement, contact your local service dealer to install the 
appropriate muffler assembly.

Read the operator’s manual and follow all warnings and safety 
instructions. Failure to do so can result in serious injury to the 
operator and/or bystanders.

 SYMBOL

MEANING

WARNING:

 Signals a SERIOUS hazard. 

Failure to obey a safety 

WARNING

 symbol 

CAN

 result in 

serious injury to yourself or to others.

CAUTION:

 Signals a MODERATE hazard.  

Failure to obey a safety 

CAUTION

 symbol 

MAY

 result in 

property damage or injury to yourself or to others.

The purpose of safety symbols is to attract your attention to 
possible dangers. The safety symbols, and their explanations, 
deserve your careful attention and understanding. The safety 
warnings do not by themselves eliminate any danger. The 
instructions or warnings they give are not substitutes for proper 
accident prevention measures.

NOTE:

 Advises you of information or instructions vital to the 

operation or maintenance of the equipment.

DANGER:

 Signals an EXTREME hazard. 

Failure to obey a safety 

DANGER

 symbol 

WILL

 result in 

serious injury or death to yourself or to others.

WARNING:

 This product can expose you to 

chemicals including engine exhaust, which is known to the 
State of California to cause cancer, and carbon monoxide, 
which is known to the State of California to cause birth 
defects or other reproductive harm. For more information 
go to www.P65Warnings.ca.gov.

SERVICE

All information, illustrations, and specifications in this manual are based 
on the latest product information available at the time of printing. We 
reserve the right to make changes at any time without notice. 
The product may vary slightly from the illustrations contained in this 
manual. 
Copyright© 2020 MTD SOUTHWEST INC, All Rights Reserved.

DO NOT RETURN THIS UNIT TO THE RETAILER. PROOF OF 
PURCHASE WILL BE REQUIRED FOR WARRANTY SERVICE. 

For assistance regarding the assembly, operation or maintenance of 
the unit, please call 

1-800-828-5500

 (in the United States) or 

1-800-

668-1238

 (in Canada). Additional information can be found at 

www.troybilt.com

 (in the United States) or 

www.troybilt.ca

 (in 

Canada). 
Warranty service is available through an authorized service center. 
To locate a service center in your area, please visit our website or 
call the number listed above. Service on this unit, both within and 
after the warranty period, should only be performed by an 
authorized and approved service center. When servicing, use only 
identical replacement parts.

Register your product at 

www.troybilt.com

 (US) or 

www.troybilt.ca

(Canada) to have parts, owner manuals, and warranty information at 
your fingertips.