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MTD
Lawn Edger

Model # 25A-516-799 Official MTD edger

Here are the diagrams and repair parts for Official MTD 25A-516-799 edger, as well as links to manuals and error code tables, if available.

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Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 89 parts  |
Spark Plug 753-05784
#15

Short block/fuel tank/flywheel diagram

Spark plug

Part #753-05784

Replaced by #794-00082

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Manufacturer substitution
This part replaces 753-05784. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$5.87 | 
22% OFF MSRP : $7.50
In Stock
Flange Nut 753-05549
#43

Handle/wheel/blade guard diagram

Flange nut

Part #753-05549

Replaced by #712-0417A

?
Manufacturer substitution
This part replaces 753-05549. Substitute parts can look different from the original.
BEST SELLER
$7.66 | 
20% OFF MSRP : $9.60
In Stock
Blade 753-06561
#42

Handle/wheel/blade guard diagram

Blade

Part #753-06561

Replaced by #781-0080-0637

?
Manufacturer substitution
This part replaces 753-06561. Substitute parts can look different from the original.
BEST SELLER

Get free shipping with Automatic Reorder

$9.78 | 
30% OFF MSRP : $14.00
In Stock
Carburetor With Primer 753-06258
#20

Short block/fuel tank/flywheel diagram

Carburetor with primer

Part #753-06258

Replaced by #753-06258A

?
Manufacturer substitution
This part replaces 753-06258. Substitute parts can look different from the original.
BEST SELLER
$56.63 | 
25% OFF MSRP : $76.00
In Stock
Edger Throttle Control 753-06546
#8

Handle/wheel/blade guard diagram

Edger throttle control

Part #753-06546

This item is not returnable
$15.38 | 
12% OFF Phone Price : $17.38
In Stock
Belt 753-05560
#31

Handle/wheel/blade guard diagram

Belt

Part #753-05560

Replaced by #754-04149

?
Manufacturer substitution
This part replaces 753-05560. Substitute parts can look different from the original.

Get free shipping with Automatic Reorder

$41.29 | 
11% OFF Phone Price : $46.29
In Stock
Pulley 753-05542
#34

Handle/wheel/blade guard diagram

Pulley

Part #753-05542

Replaced by #756-04087B

?
Manufacturer substitution
This part replaces 753-05542. Substitute parts can look different from the original.
This item is not returnable
$19.50 | 
9% OFF Phone Price : $21.50
In Stock
Lawn & Garden Equipment Carburetor Gasket (replaces 753-05250) 753-05366
#19

Short block/fuel tank/flywheel diagram

Lawn & garden equipment carburetor gasket (replaces 753-05250)

Part #753-05366

This item is not returnable
$24.62 | 
17% OFF Phone Price : $29.62
In Stock
Line Trimmer Carburetor Intake Boot Gasket 753-05247
#16

Short block/fuel tank/flywheel diagram

Line trimmer carburetor intake boot gasket

Part #753-05247

This item is not returnable
$12.61 | 
14% OFF Phone Price : $14.61
In Stock
Lawn & Garden Equipment Engine Oil Drain Plug 753-05408
#6

Short block/fuel tank/flywheel diagram

Lawn & garden equipment engine oil drain plug

Part #753-05408

$35.65 | 
12% OFF Phone Price : $40.65
In Stock

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Choose a symptom to see related walk-behind mower repairs.

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Why does my lawn mower run rough?

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

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Why does my lawn mower cut unevenly?

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

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Why does my lawn mower vibrate a lot?

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

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Why won't my lawn mower start?

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

Read more

Why does my lawn mower stall?

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

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Why won't my lawn mower move?

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

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Take a few minutes to replace the spark plug during your lawn mower's annual tune-up or if the spark plug is burnt or cr…

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Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower blade

How to replace a lawn mower blade

Check your lawn mower blade regularly and replaced it if it's bent or damaged. …

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower flywheel key on a flathead engine

How to replace a lawn mower flywheel key on a flathead engine

When you hit a hard object with your mower, the flywheel can shear to protect more expensive components. Learn how to re…

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Repair difficulty
Time required
 45 minutes or less

Effective articles & videos to help repair your lawn edgers

Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.

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