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Repair Parts Home    Lawn Equipment Parts    Troy-Bilt Parts    Troy-Bilt Trimmer Parts    Troy-Bilt TB425CS (41ADT42C063) Gas Trimmer Parts
Troy-Bilt TB425CS (41ADT42C063) Gas Trimmer

 Troy-Bilt TB425CS (41ADT42C063) Gas Trimmer Parts

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 Fig # Part # Img Part Name Availability Price Qty
A1753-04234
Throttle Housing & Trigger Assembly
Note: Includes 2 & 3
In stock
9 available
 $11.43
A275304119
Throttle Trigger
In stock
25+ available
 $4.02
A3791-182690
Throttle Trigger Spring
In stock
14 available
 $4.13
A4791-182405
Switch
In stock
6 available
 $5.71
A5753-04297
Throttle Cable Obsolete - Not Available
Note: For use with original carburetor
Discontinued
$0.00N/A
A6791-180687
J-Handle Assembly
Backorder:
No ETA.
 $24.07
A7791-683295
Handle Bracket Assembly
Note: Includes 8-13
In stock
2 available
 $24.67
A8791-181811
Screw
In stock
3 available
 $2.50
A9791-181812
Upper Handle Clamp
In stock
2 available
 $4.71
A10791-181813
Middle Handle Clamp
Backorder:
No ETA.
 $6.55
A11791-181814
Lower Handle Clamp
Backorder:
No ETA.
 $4.77
A12791-181815
Nut
In stock
3 available
 $2.50
A13791-145569
Anti-Rotation Screw
In stock
14 available
 $5.54
A14791-610327
Shoulder Harness Clamp
In stock
3 available
 $17.60
A15753-04503
Boom Assembly
In stock
25+ available
 $56.65
Fig #Part #ImgPart NameAvailabilityPrice
A16753-1190
Split Boom Coupler
Note: Includes 17-20
In stock
12 available
 $11.93
A17791-182057
Screw
In stock
10 available
 $2.42
A18791-181617
Bolt
In stock
10 available
 $2.83
A19791181981
Adjustment Knob
In stock
7 available
 $6.10
A20791-181886
Knob Retaining Nut
Ships in 5 - 7 business days
 $2.47
A21753-04304
Lower Drive Shaft Housing Assembly
In stock
2 available
 $30.20
A22791-181852
Lower Flexible Drive Shaft (24 3/4")
In stock
25+ available
 $44.28
A23753-04348
Palnut
In stock
2 available
 $3.65
A24791-153597
Upper Clamp Assembly
In stock
13 available
 $9.61
A25791-145569
Anti-Rotation Screw
In stock
14 available
 $5.54
A26791-181858
Guard Mounting Screw Assembly
In stock
10 available
 $2.39
A27791-181659
Shield and Blade Assembly
Note: Includes 28
In stock
8 available
 $23.04
A28791-181823
Blade Assembly
In stock
2 available
 $8.55
A29791-181857
Bushing Housing Assembly
In stock
7 available
 $38.91
A30791-181457
Outer Spool and Eyelet Assembly w/ Retainer
Note: Includes 31
In stock
15 available
 $21.48
Fig #Part #ImgPart NameAvailabilityPrice
A31791-181458
Retainer
In stock
22 available
 $2.42
A32791-181561
Thrust Washer
In stock
25+ available
 $2.37
A33791-181459
Small Spring (2 Required for most models)
In stock
25+ available
 $2.41
A34753-04257
Slider
In stock
25+ available
 $4.25
A35791-181532
E-Clip
In stock
18 available
 $2.37
A36791-181531
Spring
In stock
25+ available
 $2.42
A37791-181462
Plunger
In stock
25+ available
 $2.48
A38791-181463
C-Clip
In stock
19 available
 $2.42
A39791-181460B
Reel and Line Assembly
In stock
25+ available
 $18.56
A41791-181467
Foam Seal
In stock
25+ available
 $2.43
A42791-181468B
Bump Head Knob Assembly
Note: Includes spring and foam seal - Includes 40 & 41
In stock
25+ available
 $10.94
A791-180120
Replacement Line, 0.095 Diameter Obsolete - Not Available
Discontinued
$0.00N/A
A753-04218
Reel and Line Assembly (Optional Accessories)
In stock
2 available
 $20.20
A791-682075B
Shoulder Strap
In stock
8 available
 $23.47

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Trimmer Parts

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Discussion
Discussion for the Troy-Bilt TB425CS (41ADT42C063) Gas Trimmer

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  • Subject:
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  • Comment:
  •  
1292618
Question: 753-1190

1292618

does coupler come with all screws and knob
WJA
Reply: 753-1190

WJA

Hello 1292618,

The part number 753-1190 Split Boom Coupler, does come with the Knob and screws that will allow you to connect the upper and lower shafts.

-WJA
Am I really expected to buy a whole new carburetor for just the primer bulb? Why isn't the primer bulb sold separately from the carb?
Lakecam
Question: Upper Drive Shaft Housing

Lakecam

Is this just the housing or is the driveshaft included. My housing is fine, but the drive shaft is stripped and will not turn the lower shaft.
UtahAV
Reply: Upper Drive Shaft Housing

UtahAV

Hi lakecam,

The shaft assembly includes both the outer shaft and the inner cable. It can only be offered this way because there are some connections on the inner cable that can only be made by the factory.

I hope this helps,

-UtahAV
-Mark
MATT CONWAY
Question: Dying

MATT CONWAY

I can get started but when I press throttle it dies like it's flooding out
UtahAV
Reply: Dying

UtahAV

Hi Matt,

That sounds like there is some dirt or debris in the carburetor's main jet. Many times just enough dirt will clog the jet so that the engine will start and idle using the carb's idle circuit. When the throttle is opened up the main jet comes into play and, due to the debris, there is not enough fuel provided to the engine. The carburetor will need to be cleaned. It would be a good idea to also install a carb rebuild kit.

I hope this helps!

-UtahAV
-Mark
Gene
Question: Oil Leakage

Gene

Oil is leaking out of my Troy-Bilt TB425CS. What might be some of the problem areas?
Tony
Question: Bump Head/Reel

Tony

The string keeps coming out. I bought a new reel and bump knob. It seems when you hold the bump in the string locks and when you release it the string keeps coming out, like it's working opposite. Everything inside looks like it's working,(slider, plunger etc.) Help
Thanks
Ed-First Southern Baptist Church
Reply: Bump Head/Reel

Ed-First Southern Baptist Church

We had the same problem with ours and the problem turned out to be a worn slider, #34 on the parts list. Part # 753-04257. It wore a groove on it where it slides against the e-clip, #35. Part # 791-181532. The worn part was catching against the e-clip and not returning to its original position, thus letting the line roll out. You might want to order a new e-clip as we ruined the old one getting it off. We also replaced both small springs, # 33. Part # 791-181459. The parts list shows one but there is a slot for two. Hope this helps. Ed
Jennifer
Question: Carb Kits

Jennifer

I need a carb kit, does anyone know where I can find the right one. I am seeing a carb gasket but I need the diaphragm and everything or do I need to buy a new carb?
Bill
Question: Troy Bilt

Bill

It stopped working a few months back. I cleaned the carburetor and changed the fuel lines. If I spray starter fluid in the carb, it will run for a few seconds and then stops. When I prime it, the gas seems to flow okay. I don't get it.
1194719
Reply: Troy Bilt

1194719

Bill,
Make sure you have the correct size fuel lines. Thats why Im here for parts. Do you see any bubbles in the line? Even if the primer bubble is ok, you may be sucking air with the wrong size fuel lines. They are 2 different diameters. Just tryin to help. Good luck : )
George Ball
Question: Carb

George Ball

Can I buy a carb kit for my Troy-bilt 4cycle trimmer?
ray deaton
Question: Tb425cs

ray deaton

My TB425CS idles rough. It won't accelerate. I installed a new carburetor but I still have the same problem. Any ideas?
vaughn
Question: Kill Switch

vaughn

I can't stop the trimmer. I have put an ohm meter on the switch and it shows that it is closing the circuit all the way to the coil, but it will not stop the engine. Any suggestions?
No1special
Reply: Kill Switch

No1special

Mine started doing the same thing about a year ago I just use the choke to kill it.
Phil
Question: Running

Phil

I can get my trimmer to start with the choke on but when I pull the throttle lever to run it will cut off in about 15-20 seconds. It appears that it is not getting gas. I just replaced the gas tube from the fuel tank and pickup to the carb. The bulb appears full. Can you help?
Bruce
Reply: Running

Bruce

Disassemble & clean the carb thoroughly. Pay attention to the tiny ports & the intake screen located behind the fill hose barb.
marcos
Question: Rope Replacement

marcos

How do you loosen the retaining nut to replace the rope?
Demian
Question: Drive Shaft

Demian

My trimmer would not spin when I squeezed the throttle today. Upon inspection I discovered what the problem is. The long thick cable inside the upper drive shaft housing has snapped at the upper end. I assume that the trimmer is fixable by replacing that cable/drive shaft, but I do not see that specific part listed here. Do I have to order the entire upper drive shaft housing? Does this come with that cable?

Thanks,

Demian
Mark
Reply: Drive Shaft

Mark

Hi Demian,

The upper drive cable is only sold as an assembly with the cable housing. The part number for the upper drive shaft assembly is #753-04503 and is available from http://ereplacementparts.com.

I hope this helps with your repair!

-Mark


Runs great when the carb is not broken. I have replaced the carb twice at $40 a pop. Don't buy this trimmer.
Buzz
Reply: Troy-Bilt - TB425CS TB425CS

Buzz

I have used this trimer for about 5 years and never have had any problems.Sounds like a lack of user maintenance.
Randall
Reply: Troy-Bilt - TB425CS TB425CS

Randall

Ive had the same problem, seems like a pick up tube defect to me. Ive put several kits in mine but still end up cleaning carb every time I use it. I'm considering ordering a new carb but not really sure I want any repeat carb problems
john
Reply: Troy-Bilt - TB425CS TB425CS

john

I've had this trimmer for quite a few years, over 5, and occasionally have to replace the primer bulb or fuel lines due to decay (each a few bucks). I even had this thing in cold storage over a year when I moved away, and it fired up on the second or third pull.

It's been a great buy for me.
Accessories
Accessories for the TB425CS

Trimmer Line:
See more trimmer line 
110275
.095" 5-Sided Trimmer Line - 135'x1 Donut
$14.28

69-200
.095" Twisted Trimmer Line - 50'x1 Donut
$6.56

69-172
.095" Square Trimmer Line - 50' Donut
$5.19

fancyboxy