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Ariens
Rear-Engine Riding Mower

Model # 99107400 (000101) Official Ariens lawn mower

Here are the diagrams and repair parts for Official Ariens 99107400-000101 lawn mower, as well as links to manuals and error code tables, if available.

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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 308 parts  |
Tap Screw 07415400
Tap screw

Part #07415400

This item is not returnable
$2.16
In Stock
Flat Washer 06437300
#11

Electrical system diagram

Flat washer

Part #06437300

This item is not returnable
$2.87
In Stock
Lawn Tractor Blade Drive Belt 07200028
#1

Belts/spindles-models 991074, 075 diagram

Lawn tractor blade drive belt

Part #07200028

Get free shipping with Automatic Reorder

$196.18
In Stock
Wmt- Neutr 03780600
#1

Brakes & linkage diagram

Wmt- neutr

Part #03780600

$88.22
In Stock
Wmt- Mech. 09291500
#8

Mechanical lift diagram

Wmt- mech.

Part #09291500

$216.71
In Stock
Wmt- Foot 02988500
#16

Mechanical lift diagram

Wmt- foot

Part #02988500

$226.56
In Stock
Tap Screw 07412900
Tap screw

Part #07412900

This item is not returnable
$2.30
In Stock
Lawn Tractor Electric Clutch 00200665
#10

Engine & clutch diagram

Lawn tractor electric clutch

Part #00200665

$459.35 | 
$12.00 OFF Phone Price : $471.35
In Stock
Shv- .38"i 07300526
Shv- .38"i

Part #07300526

$29.50
In Stock
Lawn & Garden Equipment Lock Nut 06545400
Lawn & garden equipment lock nut

Part #06545400

This item is not returnable
$3.22
In Stock

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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…

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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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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

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How to replace a mandrel assembly on a riding lawn mower

How to replace a mandrel assembly on a riding lawn mower

Replace the mandrel assembly if the blade shaft vibrates or doesn't spin.…

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Repair difficulty
Time required
 30 minutes or less
How to replace the flywheel key on a riding lawn mower

How to replace the flywheel key on a riding lawn mower

If the engine won't restart after hitting a stump or rock, the problem could be a sheared flywheel key. Follow these ste…

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Repair difficulty
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How to replace a riding lawn mower ignition coil

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 30 minutes or less

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Riding lawn mower engine clicks but doesn't turn over video

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