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Ariens
Gas Walk-Behind Mower

Model # 91140300 (2000-999999) Official Ariens lawn mower

Here are the diagrams and repair parts for Official Ariens 91140300-2000-999999 lawn mower, as well as links to manuals and error code tables, if available.

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  • 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”.

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

Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 197 parts  |
Bolt, Hex .25-20 X 3.25 05965300
#13

Transmission diagram

Bolt, hex .25-20 x 3.25

Part #05965300

This item is not returnable
$4.26
In Stock
Cover- Waw 01246900
#39

Deck diagram

Cover- waw

Part #01246900

$258.09
In Stock
Belt Finge 01288000
#21

Transmission/drive diagram

Belt finge

Part #01288000

$64.93
In Stock
Hex Bolt 05964100
#6

Engine/clutch/idler diagram

Hex bolt

Part #05964100

This item is not returnable
$4.30
In Stock
Bushing 00275100
#5

Transmission/drive diagram

Bushing

Part #00275100

$25.69
In Stock
@blt-hex .38 05959400
#15

Frame/front caster diagram

@blt-hex .38

Part #05959400

This item is not returnable
$3.22
In Stock
Chute Rein 00662651
#33

Deck diagram

Chute rein

Part #00662651

$35.96
In Stock
Washer- .5 06400015
Washer- .5

Part #06400015

This item is not returnable
$5.17
In Stock
Lawn Mower Battery Cover 04912900
#2

Electrical diagram

Lawn mower battery cover

Part #04912900

$13.73
In Stock
Spring - E 08334900
#25

Deck diagram

Spring - e

Part #08334900

$53.67
In Stock

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

These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

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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....

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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....

Read more
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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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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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....

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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....

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