Bolens Series 544 User Manual (English)

Questions and Answers:

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Julia RuizAug 13, 2025
How to fix a Bolens Lawn Mower when the engine fails to start?
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  collinsmichaelAug 13, 2025
  If your Bolens Lawn Mower engine won't start, there are several potential causes: * The blade control handle may be disengaged, so engage it. * The spark plug wire might be disconnected; connect it to the spark plug. * The fuel tank could be empty or contain stale fuel; fill it with clean, fresh gasoline. * The fuel line might be blocked; clean the fuel line. * The spark plug could be faulty; clean, adjust the gap, or replace it. * The engine may be flooded; wait a few minutes to restart, without priming.
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Adam RiceAug 17, 2025
Why does my Bolens 544 Lawn Mower engine run erratically?
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  Steven RobbinsAug 17, 2025
  If your Bolens Lawn Mower engine is running erratically, here are a few things to check: * Ensure the spark plug wire is securely connected and tightened. * The fuel line may be blocked, or the fuel may be stale. Clean the fuel line and fill the tank with fresh gasoline. * The vent in the gas cap might be plugged; clear the vent. * There could be water or dirt in the fuel system. Drain the fuel tank and refill with fresh fuel. * A dirty air cleaner can cause issues; clean the air cleaner. * The carburetor may be out of adjustment; adjust the carburetor.
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ashleyturnerAug 20, 2025
How to fix an uneven cut with my Bolens 544 Lawn Mower?
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  jojohnsonAug 20, 2025
  If your Bolens Lawn Mower is producing an uneven cut, check these items: * Ensure all four wheels are set to the same height position. * A dull blade can cause an uneven cut; sharpen or replace the blade.
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Sharon IbarraAug 25, 2025
Why does my Bolens 544 idle poorly?
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  gonzalezmaryAug 25, 2025
  If your Bolens Lawn Mower idles poorly, consider these potential causes: * The spark plug may be fouled, faulty, or have a gap that's too wide. Reset the gap to .030” or replace the spark plug. * The carburetor may be improperly adjusted; adjust the carburetor. * A dirty air cleaner can affect idling; clean the air cleaner.
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Laura SolomonAug 28, 2025
What to do if my Bolens 544 will not mulch grass?
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  Kristen DeckerAug 28, 2025
  If your Bolens Lawn Mower is not mulching grass effectively, consider these points: * Avoid mowing when the grass is wet; wait until it's dry. * If the grass is excessively high, mow once at a higher setting, then again at your desired height, or narrow your cutting path. * A dull blade will hinder mulching; sharpen or replace the blade.
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Christian ThorntonSep 1, 2025
Why is my Bolens 544 Lawn Mower engine overheating?
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  Scott CampbellSep 1, 2025
  If your Bolens Lawn Mower engine is overheating, check the following: * Ensure the engine oil level is adequate; fill the crankcase with the correct oil. * Make sure air flow isn't restricted; remove the blower housing and clean it. * The carburetor may need adjustment; adjust the carburetor.
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nicholas95Sep 5, 2025
Why is my Bolens 544 experiencing excessive vibration?
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  Donald WareSep 5, 2025
  If your Bolens Lawn Mower is vibrating excessively, the following could be the reason: * The cutting blade might be loose or unbalanced. Tighten the blade and adapter, and balance the blade. * The cutting blade could be bent; replace the blade.
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allenbriannaSep 8, 2025
How to fix occasional skip at high speed on my Bolens Lawn Mower?
- S
  susanmorrisSep 9, 2025
  To address occasional skipping (hesitation) at high speed with your Bolens Lawn Mower, adjust the spark plug gap to .030”.

Bolens Series 544 Specifications

General

Brand	Bolens
Model	Series 544
Category	Lawn Mower
Language	English

Summary

Section 1: Important Safe Operation Practices

General Operation Safety

Read manual, be familiar with controls, keep manual safe, exercise caution, inspect area, stay in operator zone, wear safety glasses, proper clothing, keep hands/feet away from rotating parts, discharge cover, don't pull mower back, mow in daylight, check vibration, shut off engine before cleaning chute.

Slope Operation Safety

Mow across slopes, not up/down. Watch for hazards. Ensure footing. Do not mow near drop-offs or on slopes > 15 degrees or wet grass.

Child Safety Precautions

Keep children out of mowing area. Be alert and stop mower if child enters. Look behind before backing. Use care around obstacles.

Safe Handling Of Gasoline

Handle gasoline with care, use approved containers, refuel away from vehicles, keep nozzle in contact, extinguish ignition sources, never fuel indoors or hot engine.