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Craftsman
Gas Walk-Behind Mower

Model # CMXGMAM1125504 Official Craftsman m270 lawnmower

Here are the diagrams and repair parts for Official Craftsman CMXGMAM1125504 m270 lawnmower, 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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Model diagram and schematic

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Showing 10 of 21 parts  |
Craftsman Troybilt Lawn Mower 21-in Deck Mulching Blade (replaces 01002810, 742-0741a, 942-04276, 942-0741) 942-0741A
#NI05

Lawn mower diagram

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

Part #942-0741A

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$27.71 | 
18% OFF Phone Price : $33.71
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Lawn Mower Rear Skirt 731-07203
#NI18

Lawn mower diagram

Lawn mower rear skirt

Part #731-07203

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$14.47 | 
12% OFF Phone Price : $16.47
In Stock
Lawn & Garden Equipment Belt 954-04260
#NI04

Lawn mower diagram

Lawn & garden equipment belt

Part #954-04260

Replaced by #490-501-Y005

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Manufacturer substitution
This part replaces 954-04260. Substitute parts can look different from the original.
BEST SELLER
$29.36 | 
17% OFF Phone Price : $35.36
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Lawn Mower Grass Bag 664P05322
#NI14

Lawn mower diagram

Lawn mower grass bag

Part #664P05322

Replaced by #664P05322A

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Manufacturer substitution
This part replaces 664P05322. Substitute parts can look different from the original.
BEST SELLER
$44.80 | 
12% OFF Phone Price : $50.80
In Stock
Lawn Mower 21-in Deck Xtreme Mulching Blade 942-0741-X
#NI06

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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Get free shipping with Automatic Reorder

$22.68 | 
21% OFF Phone Price : $28.68
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Lawn Mower Blade Adapter 687-02528
#NI07

Lawn mower diagram

Lawn mower blade adapter

Part #687-02528

$43.26 | 
12% OFF Phone Price : $49.26
In Stock
Lawn & Garden Equipment Engine Air Filter 951-15245
#NI01

Lawn mower diagram

Lawn & garden equipment engine air filter

Part #951-15245

This item is not returnable
$19.03 | 
10% OFF Phone Price : $21.03
In Stock
Lawn Mower Ignition Key 731-09728
#NI15

Lawn mower diagram

Lawn mower ignition key

Part #731-09728

This item is not returnable
$7.38 | 
12% OFF Phone Price : $8.38
In Stock
Troybilt Lawn Mower Zone Control Cable (replaces 746-0912, 746-1130) 946-1130
#NI09

Lawn mower diagram

Troybilt lawn mower zone control cable (replaces 746-0912, 746-1130)

Part #946-1130

This item is not returnable
$14.49 | 
12% OFF Phone Price : $16.49
In Stock
Mtd Lawn Mower Wheel, 8 X 2-in 634-05040
#NI19

Lawn mower diagram

Mtd lawn mower wheel, 8 x 2-in

Part #634-05040

$40.65 | 
13% OFF Phone Price : $46.65
In Stock

Symptoms for gas walk-behind mowers

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

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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 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 run rough?

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

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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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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…

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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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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 rebuild a lawn mower carburetor

How to rebuild a lawn mower carburetor

The carburetor mixes air with fuel to drive the piston. Rebuild the carburetor if it's clogged or leaks.…

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Repair difficulty
Time required
 60 minutes or less
How to replace a lawn mower recoil starter on an OHV engine

How to replace a lawn mower recoil starter on an OHV engine

Replace the recoil starter if it doesn't move when you pull the starter rope.…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower wheel

How to replace a lawn mower wheel

Learn how replace a damaged wheel on a walk-behind lawn mower—it's a quick, easy fix.…

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Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your 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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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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Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

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

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Types of walk-behind mower blades video

Types of walk-behind mower blades video

Learn about the different kinds of mower blades and how to maintain them.…

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