Lawn-Boy 22243 User Manual

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Form No. 3354-453 Rev A

Commercial Walk-behind

Power Mower

Model No. 22242 —Serial No. 260000001 and Up

Model No. 22243 —Serial No. 260000001 and Up

G003842

Register your product at www.Lawn-Boy.com Original Instructions (EN)

Table of Contents

Questions and Answers:

M
marcuskingAug 9, 2025
Why Lawn-Boy 22243 starts hard and loses power?
- V
  vwattsAug 9, 2025
  If your Lawn-Boy Lawn Mower starts hard or loses power, try the following: Begin by draining and refilling the fuel tank with a fresh gasoline-and-oil mixture. Ensure the fuel cap vent hole is clean. Inspect and clean or replace the air filter element. Also, clean both the lawn mower discharge chute and the underside of the lawn mower deck. Lastly, clean the spark plug, check the spark plug gap, and replace the spark plug if damaged.
R
Richard CareyAug 14, 2025
Why Lawn-Boy 22243 Lawn Mower vibrates excessively?
- H
  hhortonAug 14, 2025
  If your Lawn-Boy Lawn Mower or its engine is vibrating excessively, consider these solutions: Balance the blade. Ensure the blade mounting nut is tightened securely. Clean the lawn mower discharge chute and the underside of the lawn mower deck. Lastly, tighten the engine mounting bolts.
T
traciroblesAug 21, 2025
What to do if Lawn-Boy 22243 engine runs rough?
- K
  Kimberly HigginsAug 21, 2025
  If your Lawn-Boy Lawn Mower engine runs rough, make sure the wire is connected to the spark plug. Also, clean the spark plug, check the spark plug gap, and replace the spark plug if it is damaged. Another thing to check is to clean or replace the air filter.
N
Nicholas MartinAug 27, 2025
How to fix uneven cutting pattern with Lawn-Boy 22243?
- A
  Alvin ReeseAug 27, 2025
  If your Lawn-Boy Lawn Mower is leaving an uneven cutting pattern, make sure all four wheels are at the same height. Sharpen and balance the blade. Try changing the mowing pattern. Also, clean the underside of the lawn mower deck.
M
Mrs. Ashley MartinSep 2, 2025
What to do if Lawn-Boy 22243 discharge chute plugs?
- M
  Michael PottsSep 2, 2025
  If the discharge chute of your Lawn-Boy Lawn Mower keeps plugging, try raising the cutting height. Ensure the grass is dry before mowing. Additionally, clean the underside of the lawn mower deck.

Lawn-Boy 22243 Specifications

General

Brand	Lawn-Boy
Model	22243
Category	Lawn Mower
Language	English

Summary

Safety Guidelines

General Lawn Mower Safety

General safety precautions for lawn mower operation.

Preparation and Operation Safety

Setup Procedures

Operating the Mower

Checking Engine Oil

Procedure to check engine oil level before use.

Fueling the Mower

Instructions for safely filling the fuel tank with gasoline.

Starting and Stopping the Engine

Step-by-step guide to starting and stopping the engine.

Adjusting Cutting Height

Maintenance and Care

Recommended Maintenance Schedule

Schedule for routine maintenance tasks.

Engine Maintenance

Procedures for maintaining the engine, including air filter.

Oil Change and Spark Plug Servicing

How to change engine oil and service the spark plug.

Blade Maintenance and Replacement

How to maintain, remove, sharpen, balance, and install the mower blade.

Storage and Retrieval

Troubleshooting Guide

Engine Starting Problems

Possible causes and solutions for engine not starting.

Engine Performance Issues

Possible causes and solutions for hard starting or power loss.

Operational Problems

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