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Craftsman
Gas Walk-Behind Mower

Model # CMXGMAM1125503 Official Craftsman m250 lawnmower

Here are the diagrams and repair parts for Official Craftsman CMXGMAM1125503 m250 lawnmower, as well as links to manuals and error code tables, if available.

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  • In the search box below, enter all or part of the part number or the part’s name.

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

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Model diagram and schematic

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PART LIST
Showing 10 of 18 parts  |
Lawn Mower 21-in Deck Mulching Blade (replaces 01002810, 742-0741A, 942-04276, 942-0741)
#NI03

Lawn mower diagram

Lawn mower 21-in deck mulching blade (replaces 01002810, 742-0741a, 942-04276, 942-0741)

Part #942-0741A

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$28.59 | 
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Lawn Mower Wheel, 8 x 2-in
#NI16

Lawn mower diagram

Lawn mower wheel, 8 x 2-in

Part #634-05040

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$38.09 | 
24% OFF MSRP : $50.00
In Stock
Lawn Mower Mulching Plug Assembly (replaces 987-02516)
#NI13

Lawn mower diagram

Lawn mower mulching plug assembly (replaces 987-02516)

Part #987-02516A

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$21.51 | 
20% OFF MSRP : $27.00
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Lawn Mower Zone Control Cable (replaces 946-04661)
#NI07

Lawn mower diagram

Lawn mower zone control cable (replaces 946-04661)

Part #946-04661A

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$14.30 | 
35% OFF MSRP : $22.00
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Lawn Mower Deflector Shield
#NI09

Lawn mower diagram

Lawn mower deflector shield

Part #731-07131

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$16.62 | 
34% OFF MSRP : $25.00
In Stock
Lawn & Garden Equipment Hex Bolt, 3/8-24 x 1-1/2-in (replaces 910-1044)
#NI06

Lawn mower diagram

Lawn & garden equipment hex bolt, 3/8-24 x 1-1/2-in (replaces 910-1044)

Part #710-1044

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This item is not returnable
$3.20 | 
50% OFF MSRP : $6.40
In Stock
Lawn Mower 21-in Deck Mulching Blade (replaces 942-0741-X)
#NI04

Lawn mower diagram

Lawn mower 21-in deck xtreme mulching blade

Part #942-0741-X

Replaced by #742P0741-X

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Manufacturer substitution
This part replaces 942-0741-X. Substitute parts can look different from the original.
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$20.43 | 
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Lawn Mower Ground Drive Belt
#NI02

Lawn mower diagram

Lawn & garden equipment belt

Part #954-04260

Replaced by #490-501-M005

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Manufacturer substitution
This part replaces 954-04260. Substitute parts can look different from the original.
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$24.20 | 
17% OFF Phone Price : $29.20
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Lawn Mower Drive Control Cable (replaces 746-04655A, 946-04655)
#NI08

Lawn mower diagram

Lawn mower drive control cable (replaces 746-04655a, 946-04655)

Part #946-04655A

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$30.28 | 
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Lawn Mower Air Filter
#NI01

Lawn mower diagram

Lawn mower air filter

Part #17211-Z8B-901

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$18.76 | 
10% OFF Phone Price : $20.76
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Symptoms for gas walk-behind mowers

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

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April 19, 2023

Why does my lawn mower run rough?

By Lyle Weischwill

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

Read more
April 19, 2023

Why does my lawn mower stall?

By Lyle Weischwill

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

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April 19, 2023

Why does my lawn mower cut unevenly?

By Lyle Weischwill

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

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April 19, 2023

Why does my lawn mower vibrate a lot?

By Lyle Weischwill

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

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April 19, 2023

Why won't my lawn mower move?

By Lyle Weischwill

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

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April 19, 2023

Why won't my lawn mower start?

By Lyle Weischwill

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

Read more

Repair guides for gas walk-behind mowers

These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

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How to replace a lawn mower spark plug
March 01, 2016
By Lyle Weischwill

How to replace a lawn mower spark plug

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…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower blade
March 01, 2016
By Lyle Weischwill

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
April 01, 2013
By Lyle Weischwill

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

Articles and videos common to all walk-behind mowers

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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Tapping into a new feature in the Search Bar on Sears PartsDirect
August 11, 2022
By Lyle Weischwill

Tapping into a new feature in the Search Bar on Sears PartsDirect

Learn about a new feature added to the Search Bar on Sears PartsDirect…

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Introducing new technical repair content that we’re developing for the Sears Technical Institute
August 05, 2022
By Lyle Weischwill

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…

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Top questions about Sears and Sears PartsDirect
June 29, 2022
By Lyle Weischwill

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

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