Murray MYZ4219000 User Manual (English)

Questions and Answers:

J
Jeffrey GrahamAug 17, 2025
Why my Murray Lawn Mower engine will not start?
- J
  Jeffrey WrightAug 17, 2025
  If your Murray Lawn Mower engine won't start, several factors could be at play. Ensure the parking brake is engaged by moving the two drive control levers outward into the park position. Check that the fuel tank isn't empty, and if the engine is hot, let it cool before refilling. Make sure the PTO switch is in the OFF position and disengage the choke if the engine is flooded. If these steps don't work, the battery may be discharged or dead, requiring a charge or replacement. Visually inspect the wiring for any loose or broken connections, and if found, consult an Authorized Service Center.
H
hurstbarbaraAug 20, 2025
What to do if Murray MYZ4219000 Lawn Mower engine stalls when blades are engaged?
- N
  Nathan NealAug 20, 2025
  If your Murray Lawn Mower engine stalls easily when the blades are engaged, it might be due to a few reasons. First, ensure the throttle lever is set to FAST for adequate engine speed. If the ground speed is too fast, slow down. Also, cutting tall grass at maximum Height-of-Cut during the first pass may help, or follow the “1/3 Rule during operation. Finally, allow the engine to warm up for several minutes before engaging the blades.
A
Angela SmithAug 22, 2025
How to fix a rough cut with a Murray MYZ4219000 Lawn Mower?
- J
  Jacob BarryAug 23, 2025
  If your Murray Lawn Mower cut looks rough, it could be due to a few factors. Ensure the throttle lever is set to FAST to increase the engine speed. If you're moving too quickly, slow down your ground speed. Also, check the cutting blade for wear and replace it if necessary.
D
davidbrooksAug 25, 2025
Why does my Murray MYZ4219000 engine start hard?
- E
  Erin FullerAug 26, 2025
  If your Murray Lawn Mower engine starts hard or runs poorly, the fuel mixture may be too rich. Try cleaning the air filter.
A
Aaron ParksAug 27, 2025
Why Murray MYZ4219000 starts but will not cut?
- Y
  ydawsonAug 28, 2025
  If your Murray Lawn Mower starts and drives, but the mower won't cut, the Power-Take Off (PTO) might be disengaged, so engage the PTO. If the electromagnetic clutch wiring detachment, checking the wiring port. If it fell or is damaged, please go to an authorized center for maintenance.
J
Jose NunezAug 31, 2025
What causes excessive oil consumption in a Murray MYZ4219000 Lawn Mower?
- J
  Jessica VillarrealAug 31, 2025
  If your Murray Lawn Mower is consuming oil excessively, check the engine fins, blower screen, and air filter. Drain excess oil if there is too much in the crankcase.
L
Lauren CarterSep 2, 2025
Why is the cut uneven on my Murray MYZ4219000 Lawn Mower?
- W
  William MorganSep 2, 2025
  If your Murray Lawn Mower cut is uneven, the tires may not be correctly inflated. Please, refer to the “Check Tire Pressure” section.
M
meghan36Sep 5, 2025
What to do if Murray MYZ4219000 engine runs but won't drive?
- S
  Suzanne PughSep 5, 2025
  If your Murray Lawn Mower engine runs but the mower won't drive, there are a few potential causes. First, make sure the drive control levers are moved into the forward gear, and ensure the bypass valve is closed. If the hydraulic bridge tension spring has fallen off, please go to an authorized center for repair. Also, if the drive belt fell off, please go to an authorized center for maintenance.
K
Kevin VargasSep 7, 2025
Why is the Murray Lawn Mower engine exhaust black?
- D
  darin08Sep 7, 2025
  If the exhaust from your Murray Lawn Mower engine is black, the air filter might be dirty, or the choke may be closed. Open the choke.

Murray MYZ4219000 Specifications

General

Brand	Murray
Model	MYZ4219000
Category	Lawn Mower
Language	English

Summary

General Information

Reference and Environmental Disposal

Explains manual references and how to dispose of materials.

Operator Safety

Save These Instructions and Safety Symbols

Importance of the manual and explanation of safety alert symbols and signal words.

Slope Identification Guide

Instructions on how to measure lawn slopes using tools.

Assembly Instructions

Packing List

Lists all included parts for mower assembly.

Seat Assembly

Instructions for assembling the mower seat.

Seat Wiring Harness Connection

Connecting the seat switch wiring harness for safety.

Drive Control Lever Assembly

Instructions for attaching the drive control levers.

Drive Control Lever Adjustment

How to adjust lever height and position for comfort.

Install Hitch

Procedure for mounting the hitch to the mower frame.

Connecting the Battery

Steps for correctly connecting the mower battery cables.

Check/Adjust Tire Pressure

Guidance on setting correct tire pressure for optimal performance.

Features and Controls

Control Symbols Overview

Explains various symbols used for mower controls.

Lever Operations: Drive, Throttle, PTO

Operation of drive, throttle, PTO, and deck lift levers.

Ignition, Storage, and Fuel Handling

Ignition switch, storage, cup holder, and fuel tank cap operations.

Operating the Mower

Operating Area and General Safety

Guidelines for a safe operating area and general mower safety precautions.

Slope Operation and Driving Rules

Specific safety advice for slopes and general driving rules.

Safety Interlock System Tests

Engine Oil and Fuel Recommendations

Procedures for checking oil and fuel guidelines.

Engine Oil Viscosity and Add Fuel Safety

Oil viscosity chart and safety precautions for adding fuel.

Operation Instructions

Fueling and Starting the Engine

Steps and safety for fueling and starting the mower.

Throttle/Choke and Stopping

Using the throttle/choke lever and procedures for stopping the engine.

Driving the Mower

Forward Driving and Steering

How to drive the mower forward and make turns.

Adjusting Mower Components

Cutting Height Adjustment

How to adjust the cutting deck height.

Deck Anti-scalp Wheel Adjustment

Instructions for adjusting deck anti-scalp wheels for proper ground clearance.

Mowing Operations

Engaging PTO and Mowing Tips

How to engage PTO and tips for optimal mowing results.

Mowing in Reverse and Direction

Safety for reverse mowing and advice on mowing direction.

Maintenance

Maintenance Schedule and General Care

Overview of maintenance schedule and general care procedures.

Engine Maintenance Schedule

Schedule for engine oil changes, filter checks, and other engine service.

Cleaning the Mower

General instructions and warnings for cleaning the mower.

Cleaning the Mower Deck

Procedure for cleaning the underside of the mower deck using a washout port.

Deck Service

Leveling the Cutting Deck

How to adjust the cutting deck for an even cut.

Removing the Cutting Deck

Steps for safely removing the cutting deck from the mower.

Belt Service

Changing the Deck Belt

Procedure for replacing the mower's deck belt.

Changing the Drive Belt

Procedure for replacing the mower's drive belt.

Blade Service

Replacing the Cutting Blades

Instructions for replacing mower cutting blades.

Sharpening the Blade

Instructions for sharpening mower blades to maintain balance and sharpness.

Tire and Battery Service

Checking the Tire Pressure

Guidance on setting correct tire pressure for optimal performance.

Battery Maintenance

Guidelines for maintaining the mower battery and its terminals.

Replacing and Cleaning Battery Cables

Steps for replacing and cleaning battery cables.

Engine Service

Checking the Mower Blade Stop Time

Procedure to check if mower blades stop within the specified time.

Changing Oil and Filter

Procedures for changing engine oil and replacing the oil filter.

Checking Engine Oil Level

How to check and add engine oil to maintain the correct level.

Changing the Air Filter

Steps for cleaning or replacing the engine air filter.

Spark Plug Service

Checking the Spark Plug Gap

How to check and adjust the spark plug gap.

Installing the Spark Plug

Instructions for correctly installing the spark plug.

Operation and Towing

Pushing the Mower By Hand

Procedures for manually moving the mower.

Towing with the Mower

Guidelines and limitations for towing equipment with the mower.

Transport

Storage

Procedures for safely storing the mower for extended periods.

Troubleshooting

Troubleshooting the Mower

Common problems and their solutions for the mower's engine and drive system.

Specifications

Power Ratings Disclaimer

Explanation of engine power rating methodologies and variations.

Disposal

Hazardous Waste Disposal

Instructions for properly disposing of gasoline, oil, and the mower.

Warranty

Warranty Registration and Provisions

Details on warranty registration, coverage, and limitations.

Murray MYZ4219000 User Manual

Table of Contents