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Craftsman
Gas Walk-Behind Mower

Model # 987889010 Official Craftsman lawn mower

Here are the diagrams and repair parts for Official Craftsman 987889010 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 323 parts  |
Screw 1724491
Screw

Part #1724491

Replaced by #710-1260A

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Manufacturer substitution
This part replaces 1724491. Substitute parts can look different from the original.
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$4.25 | 
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Screw 1740496
Screw

Part #1740496

Replaced by #710-1260A

?
Manufacturer substitution
This part replaces 1740496. Substitute parts can look different from the original.
BEST SELLER
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$4.25 | 
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Troybilt Lawn Tractor Brake Pad Plate (replaces Tc-790007) 790007
#37

Transaxle assembly diagram

Troybilt lawn tractor brake pad plate (replaces tc-790007)

Part #790007

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Screw 1186308
Screw

Part #1186308

Replaced by #710-0599

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Manufacturer substitution
This part replaces 1186308. Substitute parts can look different from the original.
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$4.91 | 
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Holder Brake 790025
#44

Transaxle assembly diagram

Holder brake

Part #790025

Replaced by #790025

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Manufacturer substitution
This part replaces 790025. Substitute parts can look different from the original.
BEST SELLER
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$18.30 | 
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Dowel Pin 786026
#39

Transaxle assembly diagram

Dowel pin

Part #786026

Replaced by #786026B

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Manufacturer substitution
This part replaces 786026. Substitute parts can look different from the original.
BEST SELLER
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$4.60 | 
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Valve Stem 1718086
#305

Drive assembly diagram

Valve stem

Part #1718086

Replaced by #934-0255

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Manufacturer substitution
This part replaces 1718086. Substitute parts can look different from the original.
This item is not returnable
$5.43 | 
16% OFF Phone Price : $6.43
In Stock
Troybilt Lawn Tractor Bracket 786086
#46

Transaxle assembly diagram

Troybilt lawn tractor bracket

Part #786086

This item is not returnable
$6.79 | 
13% OFF Phone Price : $7.79
In Stock
Oil Valve 1768865
#9

Drive assembly diagram

Oil valve

Part #1768865

Replaced by #951-10517A

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Manufacturer substitution
This part replaces 1768865. Substitute parts can look different from the original.
This item is not returnable
$27.89 | 
18% OFF Phone Price : $33.89
In Stock
Washer 780001
#31

Transaxle assembly diagram

Washer

Part #780001

Replaced by #780001

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Manufacturer substitution
This part replaces 780001. Substitute parts can look different from the original.
This item is not returnable
$4.34
Back Order

Symptoms for gas walk-behind mowers

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

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Why does my lawn mower vibrate a lot?

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

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Why does my lawn mower cut unevenly?

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

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Why does my lawn mower run rough?

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

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Why won't my lawn mower move?

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

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Why won't my lawn mower start?

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

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Why does my lawn mower stall?

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

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Repair guides for gas walk-behind mowers

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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.…

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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.…

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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.…

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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.

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Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

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Top questions about Sears and Sears PartsDirect

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Types of walk-behind mower blades video

Types of walk-behind mower blades video

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