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Troybilt
Gas Line Trimmer

Model # 25A-258D063 Official Troybilt trimmer

Here are the diagrams and repair parts for Official Troybilt 25A-258D063 trimmer, as well as links to manuals and error code tables, if available.

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Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 66 parts  |
Knob Wing Nut 720-0284
#12

Handle/engine/wheels/base diagram

Knob wing nut

Part #720-0284

Replaced by #720-04072A

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Manufacturer substitution
This part replaces 720-0284. Substitute parts can look different from the original.
BEST SELLER
$9.33 | 
10% OFF Phone Price : $10.33
In Stock
Lawn & Garden Equipment Cable Tie 725-0157
#66

Handle/engine/wheels/base diagram

Lawn & garden equipment cable tie

Part #725-0157

Replaced by #726-0178

?
Manufacturer substitution
This part replaces 725-0157. Substitute parts can look different from the original.
This item is not returnable
$2.16
In Stock
Yard Machines Lawn & Garden Equipment Cupped Washer 736-0270
#26

Handle/engine/wheels/base diagram

Yard machines lawn & garden equipment cupped washer

Part #736-0270

This item is not returnable
$5.10 | 
16% OFF Phone Price : $6.10
In Stock
Aircap Lawn & Garden Equipment Hex Screw 710-0896
#16

Handle/engine/wheels/base diagram

Aircap lawn & garden equipment hex screw

Part #710-0896

This item is not returnable
$5.22 | 
16% OFF Phone Price : $6.22
In Stock
Ace Lawn & Garden Equipment Flange Lock Nut 712-3004A
#46

Handle/engine/wheels/base diagram

Ace lawn & garden equipment flange lock nut

Part #712-3004A

This item is not returnable
$4.92 | 
17% OFF Phone Price : $5.92
In Stock
Line Trimmer Idler Arm Pulley 756-1198
#40

Handle/engine/wheels/base diagram

Line trimmer idler arm pulley

Part #756-1198

$60.67
In Stock
Toro Lawn & Garden Equipment Hex Screw 710-3015
#27

Handle/engine/wheels/base diagram

Toro lawn & garden equipment hex screw

Part #710-3015

This item is not returnable
$5.12 | 
16% OFF Phone Price : $6.12
In Stock
Drive Belt 754-0625
#49

Handle/engine/wheels/base diagram

Drive belt

Part #754-0625

Replaced by #954-0625A

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Manufacturer substitution
This part replaces 754-0625. Substitute parts can look different from the original.

Get free shipping with Automatic Reorder

$34.64 | 
15% OFF Phone Price : $40.64
In Stock
Screw 710-0216
#19

Handle/engine/wheels/base diagram

Screw

Part #710-0216

This item is not returnable
$6.23
In Stock
Engagement Cable 746-04009
#2

Handle/engine/wheels/base diagram

Engagement cable

Part #746-04009

$111.50
In Stock

Symptoms for gas line trimmers

Choose a symptom to see related grass line trimmer repairs.

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Why does my gas line trimmer run rough?

Main causes: stale fuel, clogged fuel filter, faulty spark plug, clogged air filter, cracked fuel lines, clogged carbure…

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Why won't my gas line trimmer start?

Main causes: stale fuel, cracked fuel lines, dirty carburetor, bad spark plug, worn piston rings…

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Why does my gas line trimmer leak gas?

Main causes: cracked fuel lines, bad carburetor seals, leaky fuel tank cap, damaged fuel tank…

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Repair guides for gas line trimmers

These step-by-step repair guides will help you safely fix what’s broken on your grass line trimmer.

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How to rebuild a line trimmer carburetor

How to rebuild a line trimmer carburetor

If the line trimmer engine won't start even though there's fuel in the tank, the carburetor could be the problem. Follow…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a line trimmer carburetor

How to replace a line trimmer carburetor

If the line trimmer won't start even though there's fuel in the tank, the carburetor could be the problem. Follow these …

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a line trimmer fuel line

How to replace a line trimmer fuel line

The fuel line on a grass line trimmer deteriorates with time and eventually can split or crack. You can replace it yours…

Read more
Repair difficulty
Time required
 15 minutes or less

Articles and videos for gas line trimmers

Use the advice and tips in these articles and videos to get the most out of your grass line trimmer.

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How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

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Solving 3 common problems with line trimmer cutting lines

Solving 3 common problems with line trimmer cutting lines

Follow these tips to prevent the cutting line on your grass line trimmer from breaking or feeding out too much or too li…

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How to replace a line trimmer fuel line video

How to replace a line trimmer fuel line video

Follow the steps in this video to replace a leaking fuel line in a line trimmer.…

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