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Ariens
Rear-Engine Riding Mower

Model # 991073 Official Ariens lawn mower

Here are the diagrams and repair parts for Official Ariens 991073 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 258 parts  |
Wave Washer 03704900
#19

Steering controls diagram

Wave washer

Part #03704900

This item is not returnable
$4.54
In Stock
Craftsman Lawn Tractor Pto Switch 01545600
Craftsman lawn tractor pto switch

Part #01545600

$40.91
In Stock
Shv- .50"i 07300527
Shv- .50"i

Part #07300527

$92.24
In Stock
Main Decal 07700005
#10

Decals diagram

Main decal

Part #07700005

$20.54
In Stock
Bearing- 2 05435700
#15

Wheels diagram

Bearing- 2

Part #05435700

$37.76
In Stock
Nut Coupling 06533500
Nut coupling

Part #06533500

$8.40
In Stock
Decal- Tra 03271900
#6

Decals diagram

Decal- tra

Part #03271900

$22.80
In Stock
Weldment 09238900
#6

Mounting arms diagram

Weldment

Part #09238900

$104.42
In Stock
Panel - Co 04041751
#8

Fuel tanks & hoses diagram

Panel - co

Part #04041751

$27.31
In Stock
Spacer 1.0 05500202
#18

Engine & clutch diagram

Spacer 1.0

Part #05500202

$13.43
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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Why is my riding mower not cutting evenly?

Main causes: unlevel mower deck, dull or damaged cutting blades, worn mandrel pulleys, bent mower deck, engine needs tun…

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Why won't my riding mower start?

Main causes: dead battery, stale fuel, bad starter solenoid, ignition system problem, bad ignition interlock switch, clo…

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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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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 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…

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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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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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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 move?

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

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Follow the steps in this guide to install a new riding mower seat switch in about 15 minutes.…

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