Front-Engine Lawn Tractor

Model # 425018X06A Official Yard King tractor

Here are the diagrams and repair parts for Official Yard King 425018X06A tractor, as well as links to manuals and error code tables, if available.

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Browse Parts for
425018X06A Riding Mowers & Tractors
Nut  Nyloc 3 15X123
#20

Chassis and hood diagram

Nut nyloc 3

Part #15X123

The manufacturer no longer makes this part, and there's no substitute part

Lawn Tractor Hex Nut 15X100
#40

Mower housing diagram

Lawn tractor hex nut

Part #15X100

The manufacturer no longer makes this part, and there's no substitute part

Lawn Tractor Washer 17X166
#38

Mower housing diagram

Lawn tractor washer

Part #17X166

The manufacturer no longer makes this part, and there's no substitute part

Nut 015X98
Nut

Part #015X98

The manufacturer no longer makes this part, and there's no substitute part

Lawn Tractor Nut 015X88
Lawn tractor nut

Part #015X88

The manufacturer no longer makes this part, and there's no substitute part

Washer 017X91
Washer

Part #017X91

The manufacturer no longer makes this part, and there's no substitute part

Flange Washer 17X102
#6

Motion drive diagram

Flange washer

Part #17X102

The manufacturer no longer makes this part, and there's no substitute part

E-ring 0011X7
#43

Motion drive diagram

E-ring

Part #0011X7

The manufacturer no longer makes this part, and there's no substitute part

Lawn Tractor Hex Flange Nut 015X84
Lawn tractor hex flange nut

Part #015X84

The manufacturer no longer makes this part, and there's no substitute part

Screw 26X263
Screw

Part #26X263

The manufacturer no longer makes this part, and there's no substitute part

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

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

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

Main causes: faulty battery, bad alternator…

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

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

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

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

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

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

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

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.

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.…

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…

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

How to replace a riding lawn mower ignition coil

If you're not getting spark from a good spark plug, the problem could be the ignition coil. Follow these step-by-step in…

Repair difficulty
Time required
 30 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.

What's the difference between a lawn tractor and a garden tractor?

What's the difference between a lawn tractor and a garden tractor?

Do you know a lawn tractor from a garden tractor? Take a look at the key differences and discover how each handles your …

The best time of day to mow grass (and when you should absolutely not)

The best time of day to mow grass (and when you should absolutely not)

Wondering when to mow your lawn for the best results? Timing matters more than you might think. Discover the best time o…

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.…