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Gas Walk-Behind Mower

Model # 12AV566N711 Official Troybilt lawn mower

Here are the diagrams and repair parts for Official Troybilt 12AV566N711 lawn mower, as well as links to manuals and error code tables, if available.

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Browse Parts for12AV566N711 Walk-Behind Mowers

  • Blade-21" Mu 742-0741
    #39

    Handle/bag/chute diagram

    Blade-21" mu

    Part #742-0741

    Replaced by #942-0741A

    ?
    Manufacturer substitution
    This part replaces 742-0741. Substitute parts can look different from the original.
    BEST SELLER

    Get free shipping with Automatic Reorder

    $28.54
    19% OFF Phone Price : $35.38
    In Stock
  • Lawn Mower Blade Support 736-0524B
    #40

    Handle/bag/chute diagram

    Lawn mower blade support

    Part #736-0524B

    Replaced by #736-0524B-1

    ?
    Manufacturer substitution
    This part replaces 736-0524B. Substitute parts can look different from the original.
    BEST SELLER
    This item is not returnable

    Get free shipping with Automatic Reorder

    $6.78
    16% OFF Phone Price : $8.09
    In Stock
  • Mtd Lawn And Garden Equipment Nut 712-04064
    #30

    Handle/bag/chute diagram

    Mtd lawn and garden equipment nut

    Part #712-04064

    BEST SELLER
    This item is not returnable
    $4.49
    22% OFF Phone Price : $5.76
    Back Order
  • Mtd Lawn Tractor Screw 710-0599
    Mtd lawn tractor screw

    Part #710-0599

    BEST SELLER
    This item is not returnable
    $4.91
    20% OFF Phone Price : $6.13
    Back Order
  • Lawn Tractor Screw, 1/4-20 X 5/8-in 710-1652
    #32

    Deck/wheels/housing diagram

    Lawn tractor screw, 1/4-20 x 5/8-in

    Part #710-1652

    This item is not returnable
    $5.44
    19% OFF Phone Price : $6.69
    In Stock
  • Torsion Spring 732-1014
    #4

    Deck/wheels/housing diagram

    Torsion spring

    Part #732-1014

    Replaced by #732-1014C

    ?
    Manufacturer substitution
    This part replaces 732-1014. Substitute parts can look different from the original.
    $9.11
    15% OFF Phone Price : $10.67
    In Stock
  • Wing Nut 712-0397
    #27

    Handle/bag/chute diagram

    Wing nut

    Part #712-0397

    Replaced by #712-0397A

    ?
    Manufacturer substitution
    This part replaces 712-0397. Substitute parts can look different from the original.
    This item is not returnable
    $5.22
    19% OFF Phone Price : $6.45
    In Stock
  • Nut 712-0431
    #9

    Deck/wheels/housing diagram

    Nut

    Part #712-0431

    Replaced by #912-0431

    ?
    Manufacturer substitution
    This part replaces 712-0431. Substitute parts can look different from the original.
    This item is not returnable
    $7.57
    15% OFF Phone Price : $8.89
    In Stock
  • V-belt 754-04082
    #37

    Handle/bag/chute diagram

    V-belt

    Part #754-04082

    Replaced by #954-0637A

    ?
    Manufacturer substitution
    This part replaces 754-04082. Substitute parts can look different from the original.
    This item is not returnable

    Get free shipping with Automatic Reorder

    $17.69
    13% OFF Phone Price : $20.35
    In Stock
  • Bail 747-1161A
    #6

    Handle/bag/chute diagram

    Bail

    Part #747-1161A

    Replaced by #747-1161A-0637

    ?
    Manufacturer substitution
    This part replaces 747-1161A. Substitute parts can look different from the original.
    This item is not returnable
    $20.10
    26% OFF Phone Price : $27.00
    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: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

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

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

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 drive cable

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…

Repair difficulty
Time required
 60 minutes or less
How to replace a lawn mower starter rope

How to replace a lawn mower starter rope

These step-by-step instructions show how to replace a broken starter pull rope on a walk-behind lawn mower.…

Repair difficulty
Time required
 30 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.

The best time of day to mow grass (and when you should absolutely not)

The best time of day to mow grass (and when you should absolutely not)

Wondering when to mow your lawn for the best results? Timing matters more than you might think. Discover the best time o…

Top 10 electric lawn and garden tools

Top 10 electric lawn and garden tools

Learn about the top 10 must-have electric lawn & garden tools for 2023…

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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