Yard-Man
Gas Walk-Behind Mower

Model #12AD449P701 Yard-Man lawn mower

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


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Showing 10 of 112 parts

Lawn & Garden Equipment Screw

#30

Handles/housing/wheels Diagram

Lawn & garden equipment screw

Part #710-1017
This item is not returnable
$5.90 | 
6% OFF MSRP:$6.30

In Stock

Lawn Tractor Hex Nut

#76

Handles/housing/wheels Diagram

Lawn tractor hex nut

Part #712-0271
This item is not returnable
$2.54 | 
25% OFF MSRP:$3.40

In Stock

Lawn Tractor Screw

#46

Handles/housing/wheels Diagram

Lawn tractor screw

Part #710-0809
This item is not returnable
$4.63 | 
6% OFF MSRP:$4.90

In Stock

Lawn Mower Height Adjuster Lever

#89

Handles/housing/wheels Diagram

$7.75 | 
7% OFF MSRP:$8.30

In Stock

Tiller Snap Ring

#72

Handles/housing/wheels Diagram

Tiller snap ring

Part #716-0865
This item is not returnable
$3.08 | 
9% OFF MSRP:$3.40

In Stock

Lawn & Garden Equipment Hex Screw

#78

Handles/housing/wheels Diagram

Lawn & garden equipment hex screw

Part #710-1008
This item is not returnable
$3.78 | 
8% OFF MSRP:$4.10

In Stock

Hex Jam Nut

#5

Transmission Diagram

Hex jam nut

Part #712-3025
This item is not returnable
$3.99 | 
27% OFF MSRP:$5.50

In Stock

Lawn Mower Drive Pinion Gear

#69

Handles/housing/wheels Diagram

$9.14 | 
17% OFF MSRP:$11.00

In Stock

Flange Spacer

#4

Transmission Diagram

Flange spacer

Part #750-1050
This item is not returnable
$3.64 | 
9% OFF MSRP:$4.00

In Stock

Lawn & Garden Equipment Shoulder Screw

#55

Handles/housing/wheels Diagram

Lawn & garden equipment shoulder screw

Part #710-1650
This item is not returnable
$3.07

In Stock

Symptoms for gas walk-behind mowers

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

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel
Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade
Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent
Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up
Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key
Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, bad ignition coil

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 flywheel key on an OHV engine

The flywheel key couples the flywheel to the engine crankshaft. Replace the flywheel key if it's broken.

Repair difficulty
Time required
 60 minutes or less
April 1, 2013
By Lyle Weischwill
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.

Repair difficulty
Time required
 15 minutes or less
April 1, 2013
By Lyle Weischwill
How to replace a lawn mower safety switch

The safety switch stops the engine when you release the lever on the handle. This repair guide explains how to replace it if it's not working correctly.

Repair difficulty
Time required
 30 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.

October 1, 2019

Types of walk-behind mower blades video

By Sears PartsDirect staff

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