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Rear-Engine Riding Mower

Model # 74325 (250000001-250999999) Official Toro riding lawn mower

Here are the diagrams and repair parts for Official Toro 74325 (250000001-250999999) riding lawn mower, as well as links to manuals and error code tables, if available.

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Browse Parts for74325 (250000001-250999999) Riding Mowers & Tractors

  • Belt Guide 88-4030
    #4

    42" deck assembly diagram

    Belt guide

    Part #88-4030

    In Stock
  • Lawn Tractor Transaxle Cover 106-8696
    #2

    Housing-lh hydrostat diagram

    Lawn tractor transaxle cover

    Part #106-8696

    In Stock
  • Toro Solenoid 28-4210
    #8

    Electrical assembly diagram

    Toro solenoid

    Part #28-4210

    In Stock
  • Flange Washer 104-5339
    Flange washer

    Part #104-5339

    In Stock
  • Nut 32128-21
    Nut

    Part #32128-21

    This item is not returnable
    In Stock
  • Wheel Bolt 71-4450
    #33

    Hydro & belt drive assembly diagram

    Wheel bolt

    Part #71-4450

    In Stock
  • Retainer Ring 106-8677
    Retainer ring

    Part #106-8677

    In Stock
  • Clamp 2412-98
    #3

    Engine assembly diagram

    Clamp

    Part #2412-98

    This item is not returnable
    In Stock
  • Cap Screw 322-13
    #17

    Hydro & belt drive assembly diagram

    Cap screw

    Part #322-13

    This item is not returnable
    In Stock
  • Lawn Tractor Steering Control Handle Grip 1-633257
    #30:2

    Control assembly diagram

    Lawn tractor steering control handle grip

    Part #1-633257

    In Stock

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.

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…

Top 10 electric lawn and garden tools

Top 10 electric lawn and garden tools

Learn about the top 10 must-have electric lawn & garden tools for 2023…

How to mow a lawn for healthier grass

How to mow a lawn for healthier grass

How often and tall you mow your lawn has a big impact on its health. Check out these 3 rules.…

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