Yard-Man
Gas Walk-Behind Mower

Model # 12A-989Q701 Official Yard-Man lawn mower

Here are the diagrams and repair parts for Official Yard-Man 12A-989Q701 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 107 parts  |

Blade-21" Mu 742-0741
#30

Handle/chute/grassbag 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
15% OFF Phone Price : $32.71
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Lawn & Garden Equipment Lock Nut, 5/16-18 (replaces 753-05591) 712-04063
Lawn & garden equipment lock nut, 5/16-18 (replaces 753-05591)

Part #712-04063

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$4.09
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Lawn & Garden Equipment Nut 712-04064
#48

Handle/chute/grassbag diagram

Lawn & garden equipment nut

Part #712-04064

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$3.17
37% OFF MSRP : $5.00
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Knob 720-04072
#9

Handle/chute/grassbag diagram

Knob

Part #720-04072

Replaced by #720-04072A

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Manufacturer substitution
This part replaces 720-04072. Substitute parts can look different from the original.
BEST SELLER
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$5.77
48% OFF MSRP : $11.00
In Stock
Lawn Mower Blade Support (replaces 936-0524a) 736-0524B
#28

Handle/chute/grassbag diagram

Lawn mower blade support (replaces 936-0524a)

Part #736-0524B

Replaced by #736-0524B-1

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Manufacturer substitution
This part replaces 736-0524B. Substitute parts can look different from the original.
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$6.11
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Lawn & Garden Equipment Carriage Bolt (replaces 1186069, 583108, 706-101080, 706-10602-12, 791-182213) 710-0703
#19

Handle/chute/grassbag 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
Lawn Tractor Screw (replaces 150011, 910-0134) 710-0134
#49

Handle/chute/grassbag diagram

Lawn tractor screw (replaces 150011, 910-0134)

Part #710-0134

$6.55
13% OFF Phone Price : $7.55
In Stock
Cable Adjuster Spacer 746-0711B
#3

Handle/chute/grassbag diagram

Cable adjuster spacer

Part #746-0711B

Replaced by #946-0711B

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Manufacturer substitution
This part replaces 746-0711B. Substitute parts can look different from the original.
$32.85
13% OFF Phone Price : $37.85
In Stock
Lawn & Garden Equipment Hex Cap Screw 710-0751
#14

Wheels/deck diagram

Lawn & garden equipment hex cap screw

Part #710-0751

This item is not returnable
$5.12
16% OFF Phone Price : $6.12
In Stock
Lawn & Garden Equipment Push Cap (replaces 1917798, 926-0214) 726-0214
#53

Wheels/deck diagram

Lawn & garden equipment push cap (replaces 1917798, 926-0214)

Part #726-0214

This item is not returnable
$15.99
11% OFF Phone Price : $17.99
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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Tapping into a new feature in the Search Bar on Sears PartsDirect

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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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