Yard Pro YP21KH42 User Manual (English)

Questions and Answers:

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Heather GillAug 20, 2025
How to fix a Yard Pro Lawn Mower that will not start?
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  Katie SimsAug 20, 2025
  If your Yard Pro Lawn Mower won't start, the possible causes are: the fuel tank is empty (fill it); the engine is not choked properly (consult the Operation section for instructions); the engine is flooded (wait a few minutes before trying again); the spark plug is bad (replace it); the air filter is dirty (clean or replace it); the fuel filter is dirty (replace it); there is water in the fuel (empty the tank and carburetor, refill with fresh gasoline, and replace the fuel filter); the wiring is loose or damaged (check all wiring); or the engine valves are out of adjustment (contact an authorized service center/department).
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megan78Aug 22, 2025
Why is my Yard Pro Lawn Mower hard to start?
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  Patrick StewartAug 22, 2025
  If your Yard Pro Lawn Mower is hard to start, the possible causes are: a dirty air filter (clean or replace it); a bad spark plug (replace it); a weak or dead battery (recharge or replace it); a dirty fuel filter (replace it); stale or dirty fuel (empty the fuel tank and refill it with fresh, clean gas); loose or damaged wiring (check all wiring); or engine valves out of adjustment (contact an authorized service center/department).
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Dr. Karen DillonAug 25, 2025
What to do if Yard Pro YP21KH42 Lawn Mower engine clicks but will not start?
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  Samantha MorrisAug 25, 2025
  If your Yard Pro Lawn Mower engine clicks but won'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), or a faulty solenoid or starter (check or replace the solenoid or starter).
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Mark NicholsAug 26, 2025
What to do if my Yard Pro Lawn Mower engine will not turn over?
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  Christopher BarronAug 26, 2025
  If the engine on your Yard Pro Lawn Mower will not turn over, make sure the brake pedal is depressed, the attachment clutch is disengaged. Other possible causes are: a weak or dead battery (recharge or replace it); a blown fuse (replace it); corroded battery terminals (clean them); loose or damaged wiring (check all wiring); a faulty ignition switch (check or replace it); a faulty solenoid or starter (check or replace them); or faulty operator presence switch(es) (contact an authorized service center/department).
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Jessica GoodAug 30, 2025
Why Yard Pro YP21KH42 blades will not rotate?
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  Daniel BurchAug 30, 2025
  If the mower blades on your Yard Pro Lawn Mower won't rotate, check for an obstruction in the clutch mechanism and remove it. Other possible causes include a worn or damaged mower drive belt (replace it), a frozen idler pulley (replace it), or a frozen blade mandrel (replace it).
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Sheila TurnerSep 1, 2025
Why does my Yard Pro YP21KH42 have excessive vibration?
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  Jacqueline AlexanderSep 1, 2025
  If your Yard Pro Lawn Mower has excessive vibration, it could be due to a worn, bent, or loose blade (replace the blade and tighten the blade bolt), a bent blade mandrel (replace the blade mandrel), or loose or damaged parts (tighten loose parts and replace damaged parts).
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Timothy MossSep 3, 2025
Why is my Yard Pro YP21KH42 cutting unevenly?
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  Nicole HernandezSep 3, 2025
  If your Yard Pro Lawn Mower is providing a poor, uneven cut, it could be due to a worn, bent, or loose blade (replace the blade and tighten the blade bolt), the mower deck not being level (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), or clogged mower deck vent holes from buildup of grass, leaves, and trash around mandrels (clean around mandrels to open vent holes).
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Mark ParksSep 7, 2025
Why are the headlights not working on my Yard Pro YP21KH42 Lawn Mower?
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  Krystal RiveraSep 7, 2025
  If the headlight(s) on your Yard Pro Lawn Mower are not working, first check if the switch is turned off and turn it on. If that doesn't work, other possible causes include burned out bulb(s) or lamp(s) (replace them), a faulty light switch (check or replace it), loose or damaged wiring (check wiring and connections), or a blown fuse (replace it).
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sanchezcarolSep 9, 2025
Why is my Yard Pro YP21KH42 battery not charging?
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  Kenneth FlynnSep 9, 2025
  If your Yard Pro Lawn Mower battery will not charge, 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), or a faulty alternator (replace the alternator).