Ariens
Gas Walk-Behind Mower

Model # 91127100 (101-999999) Official Ariens lawn mower

Here are the diagrams and repair parts for Official Ariens 91127100-101-999999 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 135 parts  |

Sg-tens .051 08325200
#40

Transmission/height of cut diagram

Sg-tens .051

Part #08325200

In Stock
Sump Gear 04051951
#28

Transmission/height of cut diagram

Sump gear

Part #04051951

In Stock
Finger, Belt 01265700
#11

Engine/blade/belt diagram

Finger, belt

Part #01265700

In Stock
Grommet 07507600
#16

Mower deck/bagger diagram

Grommet

Part #07507600

This item is not returnable
In Stock
Transaxle Bracket 03997651
#44

Transmission/height of cut diagram

Transaxle bracket

Part #03997651

In Stock
Decal- Cps 07700001
#4

Decals diagram

Decal- cps

Part #07700001

In Stock
Spacer- Id 01259000
#34

Transmission/height of cut diagram

Spacer- id

Part #01259000

In Stock
Axle- Hd21 01325800
#10

Wheels diagram

Axle- hd21

Part #01325800

In Stock
Weldment, Commercial 21 Bumper 03983459
#19

Mower deck/bagger diagram

Weldment, commercial 21 bumper

Part #03983459

In Stock
Conduit Cl 07539300
#11

Handlebar/controls diagram

Conduit cl

Part #07539300

In Stock

Symptoms for gas walk-behind mowers

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

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

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

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

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

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 blade

How to replace a lawn mower blade

Check your lawn mower blade regularly and replaced it if it's bent or damaged. …

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower flywheel key on a flathead engine

How to replace a lawn mower flywheel key on a flathead engine

When you hit a hard object with your mower, the flywheel can shear to protect more expensive components. Learn how to re…

Repair difficulty
Time required
 45 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.

Tapping into a new feature in the Search Bar on Sears PartsDirect

Tapping into a new feature in the Search Bar on Sears PartsDirect

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Introducing new technical repair content that we’re developing for the Sears Technical Institute

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Top questions about Sears and Sears PartsDirect

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