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RedMax YT2142F - User Manual

RedMax YT2142F
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YT2142F
Operator's Manual
115 90 52-26 Rev. 2
Gasoline containing up to 10% ethanol (E10) is acceptable for use in this machine.
The use of any gasoline exceeding 10% ethanol (E10) will void the product warranty.
WARNING:
Read this Man u al and follow all Warnings
and Safety Instructions. Fail ure to do so
can re sult in serious in ju ry.
08.04.19 CL/JSE
Printed in the U.S.A.

Table of Contents

Questions and Answers

  • J
    Jeanette MontesAug 19, 2025
    Why RedMax Lawn Mower will not start?
    • K
      Karen AndersenAug 19, 2025
      Your RedMax Lawn Mower might fail to start due to several reasons: * The fuel tank may be empty, in which case you should fill it. * The engine might not be choked properly; refer to the “TO START ENGINE” section in the Operation section. * The engine could be flooded; wait a few minutes before trying again. * A bad spark plug can prevent starting, so replace it. * A dirty air filter restricts airflow, so clean or replace it. * A dirty fuel filter can cause issues; replace it. * Water in the fuel requires emptying the tank and carburetor, refilling with fresh gasoline, and replacing the fuel filter. * Loose or damaged wiring should be checked. * If the engine valves are out of adjustment, contact an authorized service center/department.
  • P
    Patricia AustinAug 23, 2025
    How to fix RedMax Lawn Mower hard to start?
    • O
      onorrisAug 23, 2025
      If your RedMax Lawn Mower is hard to start, here are some possible causes and solutions: * A dirty air filter may be the culprit; clean or replace it. * A bad spark plug can cause starting issues; replace it. * If the battery is weak or dead, recharge or replace it. * Replace the fuel filter if it is dirty. * Stale or dirty fuel can hinder starting; empty the fuel tank and refill it with fresh, clean gas. * Check all wiring for looseness or damage. * If the engine valves are out of adjustment, contact an authorized service center/department.
  • M
    Melissa EvansAug 26, 2025
    Why RedMax YT2142F engine clicks but will not start?
    • F
      fmillerAug 26, 2025
      If your RedMax Lawn Mower engine clicks but doesn't start, it could be due to: * A weak or dead battery. Recharge or replace the battery. * Corroded battery terminals. Clean the battery terminals. * Loose or damaged wiring. Check all wiring. * A faulty solenoid or starter. Check or replace the solenoid or starter.
  • J
    Joel LeonardAug 27, 2025
    What causes RedMax YT2142F excessive vibration?
    • J
      John PhillipsAug 27, 2025
      Excessive vibration in your RedMax Lawn Mower can stem from: * A worn, bent, or loose blade. Replace the blade and tighten the blade bolt. * A bent blade mandrel. Replace the blade mandrel. * Loose or damaged parts. Tighten any loose parts and replace any damaged parts.
  • C
    Charles Porter MDAug 30, 2025
    What to do if RedMax YT2142F has poor grass discharge?
    • D
      Dennis LopezAug 30, 2025
      If your RedMax Lawn Mower isn't discharging grass well, consider these factors: * Ensure the engine speed isn't too slow by placing the throttle control in the “FAST” position. * If you're traveling too fast, shift to a slower speed. * Avoid mowing wet grass; allow it to dry first. * Level the mower deck if it's not level. * Check and correct tire air pressure if it's low or uneven. * Replace a worn, bent, or loose blade and tighten the blade bolt. * Clean any buildup of grass, leaves, or trash under the mower. * Replace the mower drive belt if it's worn. * Ensure blades are installed with the sharp edge down. * Use the correct blades as listed in the parts manual. * Clean any clogged mower deck vent holes around the mandrels.
  • M
    Melissa JonesSep 1, 2025
    Why RedMax YT2142F engine will not turn over?
    • M
      Mrs. Nichole James MDSep 1, 2025
      If the engine on your RedMax Lawn Mower won't turn over, check the following: * Make sure the brake pedal is depressed. * Ensure the attachment clutch is disengaged. * A weak or dead battery can prevent the engine from turning over; recharge or replace it. * Replace the fuse if it's blown. * Clean corroded battery terminals. * Check for loose or damaged wiring. * Inspect and replace the ignition switch if faulty. * Examine and replace the solenoid or starter if faulty. * For faulty operator presence switch(es), contact an authorized service center/department.
  • H
    hoodkylieSep 3, 2025
    How to fix RedMax YT2142F poor cut that is uneven?
    • J
      Jeffery RodriguezSep 3, 2025
      An uneven cut with your RedMax Lawn Mower can be due to: * A worn, bent, or loose blade. Replace the blade and tighten the blade bolt. * An unlevel mower deck. Level the mower deck. * A buildup of grass, leaves, or trash under the mower. Clean the underside of the mower housing. * A bent blade mandrel. Replace the blade mandrel. * Clogged mower deck vent holes. Clean around mandrels to open vent holes.
  • K
    Kerry CampbellSep 5, 2025
    Why RedMax YT2142F Lawn Mower blades will not rotate?
    • M
      Madison ChristensenSep 5, 2025
      If the blades on your RedMax Lawn Mower won't rotate, consider these potential issues: * An obstruction in the clutch mechanism. Remove the obstruction. * A worn or damaged mower drive belt. Replace the mower drive belt. * A frozen idler pulley. Replace the idler pulley. * A frozen blade mandrel. Replace the blade mandrel.
  • J
    Jonathan WalshSep 7, 2025
    What to do if RedMax YT2142F Lawn Mower headlight(s) not working?
    • M
      Michael CobbSep 7, 2025
      If the headlight(s) on your RedMax Lawn Mower are not working, check the following: * Ensure the switch is turned “ON.” * Replace any burned-out bulb(s) or lamp(s). * Check and replace the light switch if it's faulty. * Inspect the wiring and connections for looseness or damage. * Replace the fuse if it's blown.
  • M
    Miranda WilliamsSep 9, 2025
    What causes RedMax Lawn Mower battery will not charge?
    • A
      April BlevinsSep 9, 2025
      If your RedMax Lawn Mower battery isn't charging, it could be due to: * Bad battery cells. Replace the battery. * Poor cable connections. Check and clean all connections. * A faulty regulator (if so equipped). Replace the regulator. * A faulty alternator. Replace the alternator.

Summary

SAFETY RULES

I. CHILDREN

Guidelines for child safety and operation of lawn mowers.

II. GENERAL OPERATION

General safety practices for operating the tractor.

III. SLOPE OPERATION

Safe practices for operating the tractor on slopes.

IV. TOWING

Guidelines for towing attachments with the tractor.

V. SERVICE

Safety precautions for servicing the tractor.

PRODUCT SPECIFICATIONS

CUSTOMER RESPONSIBILITIES

ASSEMBLY

UNASSEMBLED PARTS

Lists parts left unassembled for shipping.

CONNECT BATTERY

Step-by-step instructions for connecting the tractor battery.

ADJUST SEAT

Instructions for adjusting the operator's seat for comfort.

CHECK TIRE PRESSURE

Importance and procedure for checking tire pressure.

CHECK DECK LEVELNESS

Importance of checking mower deck levelness.

CHECK FOR PROPER POSITION OF BELTS

Verifying the correct routing of mower and drive belts.

CHECK BRAKE SYSTEM

Checking the proper operation of the brake system.

OPERATION

SYMBOLS

Explanation of symbols used on the tractor and in the manual.

KNOW YOUR TRACTOR

Familiarization with tractor controls and adjustments.

HOW TO USE YOUR TRACTOR

Detailed instructions on operating the tractor controls.

TO USE THROTTLE CONTROL

How to operate the throttle control for engine speed.

TO USE CHOKE CONTROL

How to use the choke control for cold starts.

TO MOVE FORWARD AND BACKWARD

How to control tractor movement using drive pedals.

TO USE CRUISE CONTROL

How to use the cruise control feature for forward travel.

TO ADJUST MOWER CUTTING HEIGHT

Instructions for setting the mower cutting height.

TO OPERATE MOWER

Steps for engaging and operating the mower blades.

TO STOP MOWER BLADES

How to disengage the mower blades.

REVERSE OPERATION SYSTEM (ROS)

Explanation and use of the Reverse Operation System.

TO TRANSPORT

Procedures for transporting the tractor.

TOWING CARTS AND OTHER ATTACHMENTS

Guidelines for towing carts and attachments.

SERVICE MINDER;HOURMETER

Understanding the service minder and hourmeter.

CHECK ENGINE OIL LEVEL

How to check the engine oil level.

ADD GASOLINE

Instructions for adding gasoline to the fuel tank.

RESERVE FUEL VALVE OPERATION

How to operate the reserve fuel valve.

TO START ENGINE

Procedures for starting the engine.

COLD WEATHER STARTING

Procedures for starting the engine in cold weather.

AUTOMATIC TRANSMISSION WARM UP

Warming up the transmission in cold weather.

PURGE TRANSMISSION

Procedure to remove air from the transmission.

MOWING TIPS

Recommendations for effective and safe mowing.

MAINTENANCE

MAINTENANCE SCHEDULE

A schedule of maintenance tasks by usage or time.

GENERAL RECOMMENDATIONS

General advice for maintaining the tractor.

BEFORE EACH USE

Routine checks before operating the tractor.

LUBRICATION CHART

Diagram and details of lubrication points.

TRACTOR

Maintenance checks for the tractor chassis and systems.

BRAKE OPERATION

Checking and adjusting the brake operation.

TIRES

Maintaining proper tire pressure and care.

OPERATOR PRESENCE SYSTEM AND REVERSE OPERATION SYSTEM (ROS)

Verifying operation of safety systems.

BLADE CARE

Keeping mower blades sharp and in good condition.

BLADE REMOVAL

Steps for removing mower blades.

BATTERY

Battery maintenance and charging.

TO CLEAN BATTERY AND TERMINALS

How to clean battery terminals for better connection.

V-BELTS

Checking and replacing V-belts for wear.

TRANSAXLE MAINTENANCE

Keeping the transaxle fan and cooling fins clean.

TRANSAXLE PUMP FLUID

Information on transaxle fluid maintenance.

ENGINE LUBRICATION

Selecting and using the correct engine oil.

TO CHANGE ENGINE OIL

Step-by-step procedure for changing engine oil.

ENGINE OIL FILTER

Procedure for replacing the engine oil filter.

AIR FILTER

Servicing the air filter and air screen.

ENGINE COOLING SYSTEM

Maintaining the engine cooling system.

MUFFLER

Inspecting and replacing the muffler and spark arrester.

SPARK PLUGS

Replacing spark plugs.

IN-LINE FUEL FILTER

Procedure for replacing the in-line fuel filter.

CLEANING

General cleaning instructions for the tractor.

DECK WASHOUT PORT

Instructions for using the deck wash system.

SERVICE AND ADJUSTMENTS

TO REMOVE MOWER

Steps for removing the mower deck from the tractor.

TO INSTALL MOWER

Steps for installing the mower deck onto the tractor.

ATTACH FRONT LINK

Connecting the front link to the mower bracket.

ATTACH REAR LIFT LINKS

Connecting the rear lift links to the mower bracket.

TO LEVEL MOWER

Instructions for adjusting mower deck levelness.

VISUAL SIDE-TO-SIDE ADJUSTMENT

How to visually adjust mower deck side-to-side.

PRECISION SIDE-TO-SIDE ADJUSTMENT

Precise adjustment of mower deck side-to-side.

FRONT-TO-BACK ADJUSTMENT

Adjusting the front-to-back mower deck level.

TO CHECK BRAKE

Procedure to check and adjust the tractor's brakes.

TO REPLACE MOWER BLADE DRIVE BELT

Instructions for replacing the mower drive belt.

TO REPLACE MOTION DRIVE BELT

Instructions for replacing the motion drive belt.

FRONT WHEEL TOE-IN;CAMBER

Information on front wheel alignment (not adjustable).

TO REMOVE WHEEL FOR REPAIRS

Steps to remove a wheel for repair.

TO START ENGINE WITH A WEAK BATTERY

How to start the tractor with a weak battery using jumper cables.

REPLACING BATTERY

Instructions for replacing the tractor battery.

TO REPLACE HEADLIGHT BULB

Procedure for replacing a headlight bulb.

INTERLOCKS AND RELAYS

Checking tractor wiring for interlock issues.

TO REPLACE FUSE

Instructions for replacing a blown fuse.

TO REMOVE HOOD AND GRILL ASSEMBLY

Steps to remove the hood and grill.

TRANSMISSION REMOVAL;REPLACEMENT

Information on transmission removal and purging.

STORAGE

TRACTOR

Preparing the tractor for storage.

BATTERY

Battery maintenance for storage.

ENGINE

Engine preparation for storage, including fuel and oil.

TROUBLESHOOTING

Will not start

Causes and corrections for engine not starting.

Hard to start

Causes and corrections for difficult engine starting.

Engine will not turn over

Causes and corrections for engine not turning over.

Engine clicks but will not start

Causes and corrections for clicking sound without starting.

Loss of power

Causes and corrections for loss of engine power.

Excessive vibration

Causes and corrections for excessive vibration.

Poor cut - uneven

Causes and corrections for uneven grass cutting.

Mower blades will not rotate

Causes and corrections for mower blades not rotating.

Poor grass discharge

Causes and corrections for poor grass discharge.

Headlight(s) not working

Causes and corrections for non-working headlights.

Battery will not charge

Causes and corrections for battery not charging.

Loss of drive

Causes and corrections for loss of tractor drive.

Engine backfires when turning engine OFF

Cause and correction for engine backfiring when turned off.

Engine dies when tractor is shifted into reverse

Cause and correction for engine dying when shifting to reverse.

RedMax YT2142F Specifications

General IconGeneral
BrandRedMax
ModelYT2142F
CategoryLawn Mower
LanguageEnglish

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