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Kubota Z122E - User Manual

Kubota Z122E
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READ AND SAVE THIS MANUAL
OPERATOR'S MANUAL
MODELS Z122E
Z121S
Z125E
Z125S
1BDABDYAP0010
PRINTED IN U.S.A.
©
KUBOTA Corporation 2013
English
Code No. K3011-7123-2
AS . E . 2 - 2 . - . AK

Table of Contents

Questions and Answers

  • T
    Theresa WangOct 28, 2025
    Why is my Kubota Lawn Mower engine difficult to start?
    • T
      Teresa JohnstonOct 29, 2025
      If your Kubota Lawn Mower engine is difficult to start or won't start, several factors could be at play. Ensure you're sitting on the operator's seat and that the parking brake is correctly applied. Verify that the PTO switch is in the "DISENGAGED" (OFF) position and the motion control levers are in the "NEUTRAL LOCK" position. Also, confirm the key switch is in the "ON" position. Check your fuel level and replace the fuel and fuel filter if the fuel is old or of poor quality. For water or dirt in the fuel system, replace the fuel and consult your Kubota dealer. Clean or replace fuel lines if they are clogged or damaged, or visit your Kubota dealer. A clogged air filter or a defective spark plug can also prevent starting; clean or replace these as needed. Check the spark plug wire connecti...
  • C
    Cindy CooperNov 7, 2025
    What to do if my Kubota Lawn Mower won't start?
    • R
      Regina MortonNov 7, 2025
      If your Kubota Lawn Mower engine is difficult to start or won't start, you should first sit on the operator's seat. Then, make sure the parking brake is applied and the PTO switch is in the "DISENGAGED" (OFF) position. Next, ensure the motion control levers are in "NEUTRAL LOCK" and the key switch is in the "ON" position. Check if you have fuel and replace it along with the fuel filter if it's old. If there's water or dirt, replace the fuel and consult your Kubota dealer. Clean or replace clogged fuel lines, or again, see your Kubota dealer. Clean or replace the air cleaner if it's clogged and adjust or replace the spark plug if defective. Check the spark plug wire connection and replace any blown fuses. Use the correct engine oil viscosity for the temperature. Clean battery cables if the ...
  • B
    Bonnie AllenNov 18, 2025
    How to troubleshoot starting issues with a Kubota Lawn Mower?
    • J
      jesse09Nov 18, 2025
      To troubleshoot a Kubota Lawn Mower engine that is difficult to start, begin by ensuring you are sitting on the operator's seat and the parking brake is applied. Next, verify that the PTO switch is in the "DISENGAGED" (OFF) position and the motion control levers are in the "NEUTRAL LOCK" position. Confirm that the key switch is in the "ON" position and that there is sufficient fuel. If the fuel is old, replace it along with the fuel filter. If there is water or dirt in the fuel system, replace the fuel and consult your Kubota dealer. Clean or replace any clogged or damaged fuel lines, or consult your Kubota dealer. Clean or replace a clogged air cleaner. Adjust or replace a defective spark plug, and check the spark plug wire connection. Replace any blown fuses. Use the appropriate engine o...

Summary

Safe Operation Guidelines

Before Operating Procedures

Key steps and safety checks before starting machine operation.

Operating Procedures and Safety

Guidelines for starting, working, and general machine operation, including safety.

Slope Operation and Safety

Critical safety procedures and precautions for operating the machine on inclines and slopes.

Safety Labels and Warnings

Understanding danger, warning, and caution labels for safe machine use.

Operating the Engine

Starting the Engine

Step-by-step instructions and safety precautions for starting the engine.

Operating Checks and Conditions

Checks during operation, cold weather starting, and jump-starting procedures.

Warming Up and Stopping

Procedures for warming up the engine and safely stopping the machine.

Operating the Machine

New Machine Operation and Break-in

Precautions and procedures for the initial operation and break-in of a new machine.

Starting and Seat Adjustment

Steps to prepare and start the machine, including seat and belt adjustments.

Motion Control Lever Operation

Instructions on how to use the motion control levers for steering and speed.

Stopping and Parking

Procedures for safely stopping the machine and parking it securely.

Operating the Mower

Mower Operation Tips

Tips for achieving optimal mowing results and lawn appearance.

Adjusting Cutting Height

Instructions on how to set and adjust the mower deck's cutting height.

Mower Deck Leveling

Procedures for adjusting the mower deck side-to-side and front-to-rear.

Maintenance Procedures

Service Intervals Schedule

Schedule of recommended service tasks based on operating hours and time.

Daily Check Procedures

Essential checks to perform daily to ensure machine condition and prevent issues.

Lubricants and Fuel Guidelines

Recommended lubricants, fuel types, and high altitude considerations.

Periodic Service Tasks

Every 25 Hours Maintenance

Specific maintenance tasks to be performed every 25 hours of operation.

Every 50 Hours Maintenance

Specific maintenance tasks to be performed every 50 hours of operation.

Every 100 Hours Maintenance

Specific maintenance tasks to be performed every 100 hours of operation.

Machine Adjustments

Motion Control Lever Adjustment

Procedures for adjusting the motion control levers, including HST neutral.

Mower Deck Leveling

Procedures for adjusting the mower deck side-to-side and front-to-rear.

Torque Specifications

Reference tables for general and specific tightening torque values.

Storage Procedures

Preparing for Storage

Steps to prepare the machine for storage, including cleaning and fluid checks.

Removing from Storage

Procedures for preparing the machine after a period of storage.

Troubleshooting Guide

Engine Troubleshooting

Common engine problems, their causes, and corrective measures.

Battery and Machine Troubleshooting

Troubleshooting common issues related to the battery and machine operation.

Mower Troubleshooting

Common mower problems, their causes, and corrective measures for cut quality.

Kubota Z122E Specifications

General IconGeneral
TransmissionHydrostatic
Drive System2WD
Cylinders2
Transmission TypeHydrostatic
Deck TypeStamped
Wheel Size - Front11 x 4-5
Wheel Size - Rear18 x 7.5-8
Engine TypeGasoline
Cutting Width42 in
Cutting Height Range1.5 - 4.5 inches
Deck Size42 in
Fuel Tank Capacity3.5 gal
Turning RadiusZero
Speed Range0-7 mph
Warranty3 years / 300 hours

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