Troybilt
Gas Walk-Behind Mower

Model #12AV566N711 Troybilt lawn mower

Here are the repair parts and diagrams for your Troybilt 12AV566N711 lawn mower. 

The diagram(s) below can help you find the right part.  If you’d like help, we invite you to call our customer service number at the top of the page, or click chat.

On this page, you can also find any manuals, installation guides and error code tables associated with this model.

For advice on diagnosing problems with appliances, lawn & garden equipment and other products, check out the videos, repair guides and articles in our DIY section.

Save to my profileOwner’s manual

Showing 10 of 118 parts

Lawn Mower Blade Support

#40

Handle/bag/chute Diagram

Lawn mower blade support

Part #736-0524B
This item is not returnable

$5.52

In Stock

Lawn & Garden Equipment Nut

#30

Handle/bag/chute Diagram

Lawn & garden equipment nut

Part #712-04064
This item is not returnable

$3.32

In Stock

Lawn Tractor Screw

#1

Deck/wheels/housing Diagram

Lawn tractor screw

Part #710-0599
This item is not returnable

$3.59

In Stock

Lawn Tractor Screw

#32

Deck/wheels/housing Diagram

Lawn tractor screw

Part #710-1652
This item is not returnable

$2.76

In Stock

Lawn & Garden Equipment Wing Nut

#8

Handle/bag/chute Diagram

Lawn & garden equipment wing nut

Part #720-0279
This item is not returnable

$2.98

In Stock

Lawn Mower Discharge Chute Deflector

#33

Handle/bag/chute Diagram

$12.86

In Stock

Lawn Mower Height Adjuster Lever Foam Grip

#30

Deck/wheels/housing Diagram

Lawn mower height adjuster lever foam grip

Part #720-0312
This item is not returnable

$2.99

In Stock

Lawn Mower 21-in Deck Housing

#7A

Deck/wheels/housing Diagram

$162.30

In Stock

Lawn Mower Screw

#61

Deck/wheels/housing Diagram

Lawn mower screw

Part #710-04374
This item is not returnable

$2.55

In Stock

Lawn Mower Deflector Shield Hinge Bracket

#3

Deck/wheels/housing Diagram

Lawn mower deflector shield hinge bracket

Part #17032A
This item is not returnable

$7.42

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.

March 1, 2016
By Lyle Weischwill
How to replace a lawn mower drive cable

The drive cable engages the transmission to spin the drive wheels and move the mower across the grass. Replace the drive cable if it's broken or frozen up inside the sheath.

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.