YARDMAX YG1550 User Manual (English)

Questions and Answers:

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Mrs. April CareyAug 5, 2025
Why won't my YARDMAX YG1550 engine start?
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  Marc CooperAug 5, 2025
  If your YARDMAX Lawn Mower engine fails to start, there are several potential causes: * The blade control might be disengaged, so engage it. * The spark plug boot might be disconnected, so connect the wire to the spark plug boot. * The fuel tank might be empty or the fuel stale, so fill the tank with clean, fresh gasoline. * The engine might not be primed (if equipped with a primer), so prime the engine as instructed in the Operation section of the Engine Manual. * The spark plug might be faulty, so clean, adjust the gap, or replace it. * The engine might be flooded, so wait a few minutes to restart.
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Eddie Valdez Jr.Aug 10, 2025
Why is my YARDMAX YG1550 engine running erratic?
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  Kevin ChaneyAug 10, 2025
  If your YARDMAX Lawn Mower engine runs erratically, check these potential causes: * The spark plug boot may be loose. Connect and tighten it. * The fuel may be stale. Refill the tank with clean, fresh gasoline. * The vent in the gas cap may be plugged. Clear the vent. * There may be water or dirt in the fuel system. Run the engine until it stops from lack of fuel, then refill with fresh fuel. * The air cleaner may be dirty. Refer to Air Cleaner Maintenance in the Engine Manual. * The fuel line may be blocked. Contact your Parts & Repair Center to have the fuel line cleaned.
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Becky WallaceAug 13, 2025
Why is my YARDMAX Lawn Mower engine overheating?
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  Jason Lopez PhDAug 13, 2025
  If your YARDMAX Lawn Mower engine is overheating, check the following: * Ensure the engine oil level is adequate by filling the crankcase with the proper oil. * Make sure air flow is not restricted by cleaning the area around and on top of the engine.
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Casey ThorntonAug 18, 2025
What causes poor idling in my YARDMAX YG1550?
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  charlesgarnerAug 18, 2025
  If your YARDMAX Lawn Mower is idling poorly, it could be due to: * A spark plug that is fouled, faulty, or has a gap that's too wide. Reset the gap or replace the spark plug. * A dirty air cleaner. Refer to Air Cleaner Maintenance in the Engine Manual.
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allisoncarterAug 22, 2025
How to improve mulching with my YARDMAX YG1550?
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  Bradley ValentineAug 23, 2025
  If your YARDMAX Lawn Mower is not mulching grass effectively, consider these factors: * The grass may be wet. Avoid mowing when the grass is wet; wait until it's dry. * The grass may be excessively high. Mow once at a high cutting height, then mow again at the desired height or make a narrower cutting path. * The blade may be dull. Sharpen or replace the blade.
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Shannon AlexanderAug 27, 2025
What to do if my YARDMAX YG1550 is leaving an uneven cut?
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  Robert BlevinsAug 27, 2025
  If your YARDMAX Lawn Mower is producing an uneven cut, it could be due to: * Buildup of grass, leaves, and debris under the mower. Clean the underside of the mower housing. * A dull blade. Sharpen or replace the blade.
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Eric HoAug 31, 2025
What's causing excessive vibration in my YARDMAX YG1550 Lawn Mower?
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  Tony RobertsonAug 31, 2025
  If your YARDMAX Lawn Mower is experiencing excessive vibration, consider these potential causes: * The cutting blade may be loose or unbalanced. Tighten the blade and adapter, and balance the blade. * The cutting blade may be bent. Replace the blade.

YARDMAX YG1550 Specifications

General

Engine Displacement	150cc
Drive Type	Self-Propelled
Mulch Capable	Yes
Side Discharge	Yes
Rear Bag	Yes
Cutting Width	21 inches
Cutting Height Range	1.25 to 3.75 inches
Fuel Tank Capacity	0.5 gallons
Wheel Size (Front)	8 inches
Wheel Size (Rear)	11 in.
Drive System	Rear Wheel Drive