Troybilt
Gas Walk-Behind Mower

Model # 13AJ609G766-2003 Official Troybilt gas walk-behind lawn mower

Here are the diagrams and repair parts for Official Troybilt 13AJ609G766-2003 gas walk-behind lawn mower, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 355 parts  |

Lawn Mower Blade 742-0616A
#35

Mower deck diagram

Lawn mower blade

Part #742-0616A

Replaced by #942-0616A

?
Manufacturer substitution
This part replaces 742-0616A. Substitute parts can look different from the original.
BEST SELLER

Get free shipping with Automatic Reorder

$29.58
17% OFF Phone Price : $35.58
In Stock
Gasket 721-0208
#8

Engine section - j609 diagram

Gasket

Part #721-0208

Replaced by #692236

?
Manufacturer substitution
This part replaces 721-0208. Substitute parts can look different from the original.
BEST SELLER
$6.56
13% OFF Phone Price : $7.56
In Stock
Ignition Key 725-1744
#26A

Hood section diagram

Ignition key

Part #725-1744

Replaced by #925-1745A

?
Manufacturer substitution
This part replaces 725-1744. Substitute parts can look different from the original.
BEST SELLER
$19.56
9% OFF Phone Price : $21.56
In Stock
Ignition Key 725-1745
#26

Hood section diagram

Ignition key

Part #725-1745

Replaced by #925-1745A

?
Manufacturer substitution
This part replaces 725-1745. Substitute parts can look different from the original.
BEST SELLER
$19.56
9% OFF Phone Price : $21.56
In Stock
Ace Lawn & Garden Equipment Self-tapping Bolt, 5/16-18 X 3/4-in (replaces 1724491, 1740496, 1909304, 910-1260a, Gw-7101260) 710-1260A
Ace lawn & garden equipment self-tapping bolt, 5/16-18 x 3/4-in (replaces 1724491, 1740496, 1909304, 910-1260a, gw-7101260)

Part #710-1260A

BEST SELLER
This item is not returnable
$4.25
19% OFF Phone Price : $5.25
In Stock
Lawn Tractor Steering Shaft Pinion Gear 717-1554
#15

Steering section diagram

Lawn tractor steering shaft pinion gear

Part #717-1554

BEST SELLER
$14.53
12% OFF Phone Price : $16.53
In Stock
Lawn Tractor Screw (replaces 01000628, 01000865, 1186307, 1186308, 791-180288, 791-683298, 910-0599) 710-0599
Lawn tractor screw (replaces 01000628, 01000865, 1186307, 1186308, 791-180288, 791-683298, 910-0599)

Part #710-0599

BEST SELLER
This item is not returnable
$4.91
17% OFF Phone Price : $5.91
In Stock
Yard Machines Lawn & Garden Equipment Bell Washer (replaces 936-0242) 736-0242
Yard machines lawn & garden equipment bell washer (replaces 936-0242)

Part #736-0242

This item is not returnable
$6.58
13% OFF Phone Price : $7.58
In Stock
Lawn Tractor Hex Bolt (replaces 910-0427, 910-3144) 710-3144
#10

Transmission section diagram

Lawn tractor hex bolt (replaces 910-0427, 910-3144)

Part #710-3144

This item is not returnable
$5.64
15% OFF Phone Price : $6.64
In Stock
Sears Lawn Tractor Screw 710-0627
#81

Transmission section diagram

Sears lawn tractor screw

Part #710-0627

This item is not returnable
$6.47
13% OFF Phone Price : $7.47
Back Order

Symptoms for gas walk-behind mowers

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

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

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

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

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

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...

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 rebuild a lawn mower carburetor

How to rebuild a lawn mower carburetor

The carburetor mixes air with fuel to drive the piston. Rebuild the carburetor if it's clogged or leaks....

Repair difficulty
Time required
60 minutes or less
How to replace a lawn mower recoil starter on an OHV engine

How to replace a lawn mower recoil starter on an OHV engine

Replace the recoil starter if it doesn't move when you pull the starter rope....

Repair difficulty
Time required
15 minutes or less
How to replace a lawn mower wheel

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

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.

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....

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect....

Types of walk-behind mower blades video

Types of walk-behind mower blades video

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