Yard-Man
Gas Walk-Behind Mower

Model # 12AD449P701 Official Yard-Man lawn mower

Here are the diagrams and repair parts for Official Yard-Man 12AD449P701 lawn mower, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 112 parts  |

Blade-21" Mu 742-0741
#65

Handles/housing/wheels diagram

Blade-21" mu

Part #742-0741

Replaced by #942-0741A

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Manufacturer substitution
This part replaces 742-0741. Substitute parts can look different from the original.
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$27.71
18% OFF Phone Price : $33.71
In Stock
Knob Wing Nut 720-0284
#12

Handles/housing/wheels 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
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Wing Nut 712-0397
#26

Handles/housing/wheels diagram

Wing nut

Part #712-0397

Replaced by #712-0397A

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Manufacturer substitution
This part replaces 712-0397. Substitute parts can look different from the original.
This item is not returnable
$5.22
16% OFF Phone Price : $6.22
In Stock
Lawn & Garden Equipment Carriage Bolt (replaces 1186069, 583108, 706-101080, 706-10602-12, 791-182213) 710-0703
#27

Handles/housing/wheels diagram

Lawn & garden equipment carriage bolt (replaces 1186069, 583108, 706-101080, 706-10602-12, 791-182213)

Part #710-0703

This item is not returnable
$6.46
13% OFF Phone Price : $7.46
In Stock
Complete Wheel 734-2004A
#35

Handles/housing/wheels diagram

Complete wheel

Part #734-2004A

Replaced by #753-08093

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Manufacturer substitution
This part replaces 734-2004A. Substitute parts can look different from the original.
$47.45
11% OFF Phone Price : $53.45
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Cable Tie 726-0240
#42

Handles/housing/wheels diagram

Cable tie

Part #726-0240

Replaced by #726-0178

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Manufacturer substitution
This part replaces 726-0240. Substitute parts can look different from the original.
This item is not returnable
In Stock
Lawn Mower Grass Bag 664-04027
#6

Handles/housing/wheels diagram

Lawn mower grass bag

Part #664-04027

Replaced by #964-04007A

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Manufacturer substitution
This part replaces 664-04027. Substitute parts can look different from the original.
$143.25
8% OFF Phone Price : $155.25
In Stock
Lawn & Garden Equipment Shoulder Screw 710-1650
#55

Handles/housing/wheels diagram

Lawn & garden equipment shoulder screw

Part #710-1650

This item is not returnable
$5.95
14% OFF Phone Price : $6.95
In Stock
Lawn Tractor Hex Nut 712-0271
#76

Handles/housing/wheels diagram

Lawn tractor hex nut

Part #712-0271

This item is not returnable
$6.66
13% OFF Phone Price : $7.66
In Stock
Lawn Mower Drive Pinion Gear 717-1762
#69

Handles/housing/wheels diagram

Lawn mower drive pinion gear

Part #717-1762

This item is not returnable
$21.24
22% OFF Phone Price : $27.24
In Stock

Symptoms for gas walk-behind mowers

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

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

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

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

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

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

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

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.

How to replace a lawn mower spark plug

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…

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. …

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…

Repair difficulty
Time required
 45 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

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

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

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

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Top questions about Sears and Sears PartsDirect

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