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Ariens
Rear-Engine Riding Mower

Model # 991074 Official Ariens lawn mower

Here are the diagrams and repair parts for Official Ariens 991074 lawn mower, as well as links to manuals and error code tables, if available.

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Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 308 parts  |
Cable Tie 07517300
Cable tie

Part #07517300

$7.66
In Stock
Cable Bracket 06900318
#9

Brakes & linkage diagram

Cable bracket

Part #06900318

$72.16
In Stock
Bolt 06200119
#13

Frame diagram

Bolt

Part #06200119

This item is not returnable
$4.00
In Stock
Wmt- Mecha 09286251
#4

Mechanical lift diagram

Wmt- mecha

Part #09286251

$311.80
In Stock
Nut 06534900
Nut

Part #06534900

This item is not returnable
$3.22
In Stock
Head Guard 03772951
#4

Engine & clutch diagram

Head guard

Part #03772951

$57.11
In Stock
@wshr-lk .38 06308800
#5

Steering controls diagram

@wshr-lk .38

Part #06308800

This item is not returnable
$2.16
In Stock
Rg-rtng-ex 05714600
Rg-rtng-ex

Part #05714600

This item is not returnable
$5.17
In Stock
Lawn & Garden Equipment Lock Nut 06545400
Lawn & garden equipment lock nut

Part #06545400

This item is not returnable
$3.22
In Stock
Wmt- Mech 09299451
#9

Mechanical lift diagram

Wmt- mech

Part #09299451

$79.40
In Stock

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Most common symptoms to help you fix your riding mowers & tractors

Choose a symptom to see related riding mower and lawn tractor repairs.

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How do I fix a flat tire on my riding mower?

Main causes: punctured tire or inner tube, leaky valve stem, damaged wheel rim…

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Why does my riding mower run rough or misfire?

Main causes: clogged carburetor, damaged flywheel key, dirty spark plug, stale fuel, improper valve lash, engine needs a…

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Why won't my riding mower move?

Main causes: worn or broken ground drive belt, bad seat switch, transaxle freewheel control engaged, transaxle failure, …

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Why is the steering loose on my riding mower?

Main causes: damaged tie rods, bent or worn wheel spindle, worn front axle, damaged sector gear assembly…

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Why is my riding mower leaking oil or gas?

Main causes: engine overfilled with oil, leaky head gasket or sump gasket, damaged carburetor seals, cracked fuel pump, …

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Why does my riding mower creep in neutral?

Main causes: shift lever needs adjustment, neutral control needs adjustment…

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Why won't my riding mower cut grass?

Main causes: worn or broken blade belt, broken belt idler pulley, blade clutch cable failure, bad PTO switch, damaged ma…

Read more

Why does my riding mower deck vibrate?

Main causes: damaged cutting blade, worn deck pulley, damaged mandrel pulley, loose fasteners on mower deck components…

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How do I charge a dead battery on my riding mower?

Main causes: faulty battery, bad alternator…

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Most common repair guides to help fix your riding mowers & tractors

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

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How to replace a riding lawn mower rear tire

How to replace a riding lawn mower rear tire

Your mower can’t run on a damaged rear tire. Here’s how to install a new one.…

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Repair difficulty
Time required
 60 minutes or less
How to replace a riding lawn mower blade

How to replace a riding lawn mower blade

If a blade on your mower is dull or bent, replace it following the steps in this repair guide.…

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Time required
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How to replace a riding lawn mower fuel filter

How to replace a riding lawn mower fuel filter

Help your mower run better by replacing the fuel filter during your riding mower's annual tune-up.…

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Time required
 15 minutes or less

Effective articles & videos to help repair your riding mowers & tractors

Use the advice and tips in these articles and videos to get the most out of your riding mower or lawn tractor.

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How to remove a lawn mower blade using a removal tool

How to remove a lawn mower blade using a removal tool

Learn how a blade removal tool makes replacing the blade easier and safer…

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Charging a battery in a riding lawn mower video

Charging a battery in a riding lawn mower video

Learn how to use a battery charger if your mower battery is dead.…

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Riding mower and tractor common questions

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