Toro 74325 - User Manual

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Operator’s Manual

Original Instructions (EN)

Register your product at www.Toro.com

Form No. 3352-217

Z420

TimeCutter

)

Z with Side Discharge Mower

Model No. 74325—Serial No. 250000001 and Up

Table of Contents

Questions and Answers:

R
rwilliamsAug 8, 2025
Why is my Toro 74325 cutting height uneven?
- R
  Ryan EvansAug 8, 2025
  If the cutting height of your Toro Lawn Mower is uneven, several factors could be the cause. Start by sharpening the blade(s). If a cutting blade(s) is bent, install a new one. Ensure the mower is level from side-to-side and front-to-rear. Adjust the anti-scalp wheel height if it's not set correctly. Clean the underside of the mower if it's dirty. Adjust the tire pressure if it's incorrect. If a blade spindle is bent, contact an Authorized Service Dealer.
D
Dominique GonzalezAug 12, 2025
How to fix Toro Lawn Mower engine overheating?
- M
  Michael RodriguezAug 12, 2025
  If your Toro Lawn Mower engine overheats, there are several potential causes. First, the engine load might be excessive, so try reducing your ground speed. Also, check the oil level in the crankcase and add oil if it's low. Make sure the cooling fins and air passages under the engine blower housing are free from obstructions. A dirty air cleaner can also contribute to overheating, so clean or replace it. Finally, dirt, water, or stale fuel in the fuel system can be a factor, in which case you should contact an Authorized Service Dealer.
K
Kyle CarrollAug 16, 2025
Why does my Toro Lawn Mower engine lose power?
- D
  Dominic JenkinsAug 16, 2025
  If your Toro Lawn Mower engine loses power, consider these possible causes: the engine load may be too high, so reduce ground speed. Clean the air cleaner element if it's dirty. Add oil to the crankcase if the oil level is low. Remove any obstructions from the cooling fins and air passages. Install new spark plug(s) if the existing ones are pitted, fouled, or have an incorrect gap. Open the vent in the fuel cap if it's closed. Replace the fuel filter if it's dirty. For issues related to dirt, water, or stale fuel in the fuel system, contact an Authorized Service Dealer. If you have incorrect fuel, drain the tank and replace it with the proper type.
J
Jeffrey MorrisonAug 20, 2025
What to do if Toro 74325 Lawn Mower blades do not rotate?
- P
  pthomasAug 20, 2025
  If your Toro Lawn Mower blades do not rotate, it could be due to a few reasons: * The drive belt is worn, loose, or broken: Install a new drive belt. * The drive belt is off of the pulley: Install the drive belt and check the adjusting shafts and belt guides for the correct position. * The mower belt is worn, loose, or broken: Install a new mower belt.
M
Mary YatesAug 25, 2025
What to do if Toro 74325 starter does not crank?
- M
  Michael BrownAug 26, 2025
  If the starter on your Toro Lawn Mower doesn't crank, several issues could be the cause. Ensure the blade control (PTO) is disengaged. The motion control levers should be in the brake position. Make sure you are seated on the seat. If the battery is dead, charge it. Check the electrical connections for corrosion or looseness and ensure good contact. Replace the fuse if it's blown. If a relay or switch is damaged, contact an Authorized Service Dealer.
E
Erica WalshAug 28, 2025
Why is my Toro Lawn Mower vibrating abnormally?
- S
  Steven DiazAug 29, 2025
  If you are experiencing abnormal vibration with your Toro Lawn Mower, check the following: tighten the engine mounting bolts if they are loose. Tighten the engine pulley, idler pulley, or blade pulley if any are loose. If the engine pulley is damaged or a blade spindle is bent, contact an Authorized Service Dealer. Install a new cutting blade(s) if the current one(s) is/are bent or unbalanced. Tighten the blade mounting bolt if it is loose.
J
Jill BrownNov 2, 2025
Why my Toro Lawn Mower engine will not start?
- A
  Amanda LarsonNov 2, 2025
  If your Toro Lawn Mower's engine won't start, starts hard, or fails to keep running, several factors could be at play. First, ensure the fuel tank isn't empty by filling it. Next, check that the fuel valve is open. If the engine still doesn't start, make sure the choke is on. A dirty air cleaner can also cause issues, so clean or replace it. Inspect the spark plug wire(s) to ensure they are securely connected. Replace any pitted, fouled, or incorrectly gapped spark plugs. Check the fuel filter for dirt and replace if necessary. If there's dirt, water, or stale fuel in the fuel system, you should contact an Authorized Service Dealer. Also, ensure you're using the correct fuel type; if not, drain the tank and replace it. Finally, check and replenish the oil level in the crankcase if it's low...

Toro 74325 Specifications

General

Model	74325
Deck Material	Steel
Start Type	Recoil
Starting System	Recoil
Type	Walk-Behind Lawn Mower
Engine	Briggs & Stratton
Cutting Width	22 inches
Drive Type	Self Propelled
Drive System	Personal Pace

Summary

Introduction to Operation and Safety

Safety Information

Safe Operating Practices

Lists safety instructions from ANSI standard B71.1-2003.

Children Safety

Towing Safety

Toro Riding Mower Safety

Slope Chart for Safe Mowing

Safety and Instruction Decals

Gasoline and Oil Handling

Recommended Gasoline

Specifies the type of gasoline to use and fuel additives to avoid.

Filling the Fuel Tank

Provides step-by-step instructions for safely refueling the mower.

Checking the Engine Oil Level

Explains how to check the engine oil level before operation.

Mower Operation Basics

Controls Overview

Familiarizes the operator with the mower's controls.

Parking Brake Operation

Explains the function and use of the parking brake.

Starting and Stopping the Engine

Provides instructions for safely starting and stopping the engine.

Power Take Off (PTO) Engagement

Safety Interlock System Explained

Driving Forward or Backward

Stopping the Machine

Adjusting the Cutting Height

Positioning the Operator Seat

Adjusting Motion Control Levers

Pushing the Mower Manually

Footrest Adjustment

Engine Hood Service

Side Discharge Operation

Mowing Grass Tips

Advanced Mowing Techniques

Mower Cleaning and Towing Safety

Recommended Maintenance Schedule

Engine Oil Service

Checking the Engine Oil Level

Explains how to check the engine oil level before operation.

Changing and Draining the Oil

Details the procedure for changing and draining the engine oil.

Oil Filter Replacement

Air Cleaner Servicing

Spark Plug Service

Cutting Blade Servicing

Spark Plug Check and Installation

Instructions for checking and installing the spark plug.

Bent Blade Inspection

Blade Sharpening and Replacement

Greasing and Lubrication Guide

Battery Service and Maintenance

Battery Removal and Installation

Battery Electrolyte Level Check

Fuel Tank Draining Procedure

Fuel Filter Replacement

Tire Pressure Check

Mower Side-to-Side Leveling

Front-to-Rear Blade Slope Adjustment

Belt Inspection and Replacement

Mower Removal Procedure

Mower Installation Procedure

Fuse Service and Replacement

Washing Mower Underside

Grass Deflector Replacement

Wiring Diagram Explained

Cleaning and Storage Procedures

Troubleshooting Engine Problems

Engine Overheating

Addresses causes and solutions for engine overheating.

Starter Not Cranking

Provides troubleshooting steps for a non-cranking starter.

Engine Starting or Running Issues

Helps diagnose issues with starting or keeping the engine running.

Engine Power Loss

Machine Drive Problems

Abnormal Vibration Diagnosis

Uneven Cutting Height Solutions

Blades Not Rotating

Toro Product Warranty

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