Models > YM4570

YM4570 (41AD457C755) Yard Man Trimmer - Overview

Sections of the YM4570

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Keep searches simple, eg. "belt" or "pump".
Bump Head Knob Assembly – Part Number: 791-153066B
Bump Head Knob Assembly
★★★★★
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(2)
PartSelect #: PS9306452
Manufacturer #: 791-153066B
This genuine bump head knob assembly, sometimes known simply as the bump head, is black and approximately 2 inches long. Sold individually, this plastic part releases the cutting line. Over time, this...
$13.42
  In Stock
Order within the next 9 hrs and your part ships today!
Gear Box Assembly – Part Number: 753-06571
Gear Box Assembly
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(2)
PartSelect #: PS9118330
Manufacturer #: 753-06571
This gearbox is for line trimmers. Gearbox contains the gears that turn the line spool for cutting.
$46.08
  In Stock
Order within the next 9 hrs and your part ships today!
Throttle Trigger – Part Number: 753-04119
Throttle Trigger
PartSelect #: PS11839169
Manufacturer #: 753-04119
This plastic throttle trigger measures 2.5-inches in length and controls the power, speed, and intensity of the motor for your lawn equipment through the throttle cable and carburetor it is attached t...
  No Longer Available
Clutch Assembly – Part Number: 753-06281
Clutch Assembly
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(1)
PartSelect #: PS10009628
Manufacturer #: 753-06281
  No Longer Available
Boom Assembly, Lower – Part Number: 753-08164
Boom Assembly, Lower
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(3)
PartSelect #: PS10009815
Manufacturer #: 753-08164
  No Longer Available
Line Trimmer Spool – Part Number: 753-1155
Line Trimmer Spool
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(1)
PartSelect #: PS9119496
Manufacturer #: 753-1155
This spool is for line trimmers. Spool houses the cutting line and fits inside the cutting head to cut grass and weeds. Wear work gloves to protect your hands when installing this part.
$24.40
  In Stock
Order within the next 9 hrs and your part ships today!
Switch – Part Number: 791-182405
Switch
PartSelect #: PS10014381
Manufacturer #: 791-182405
This Switch is a black, plastic on/off switch for a trimmer. Installation of this manufacturer-certified switch is rated as "Easy" and requires a screwdriver, wrench set and socket set. Refer to your ...
$10.70
  In Stock
Order within the next 9 hrs and your part ships today!
Spring – Part Number: 791-610317B
Spring
PartSelect #: PS10014644
Manufacturer #: 791-610317B
$10.90
  In Stock
Order within the next 9 hrs and your part ships today!
Anti-Rotation Screw – Part Number: 791-182519
Anti-Rotation Screw
PartSelect #: PS10014468
Manufacturer #: 791-182519
$5.03
  In Stock
Order within the next 9 hrs and your part ships today!
Spark Plug – Part Number: 794-00043
Spark Plug
PartSelect #: PS9460333
Manufacturer #: 794-00043
  No Longer Available
Lower Flexible Drive Shaft – Part Number: 753-05267
Lower Flexible Drive Shaft
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(1)
PartSelect #: PS9456878
Manufacturer #: 753-05267
  No Longer Available
Outer Spool w/Retainer – Part Number: 753-04284
Outer Spool w/Retainer
PartSelect #: PS9119808
Manufacturer #: 753-04284
  No Longer Available

Questions And Answers for YM4570

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2 questions answered by our experts.
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William
May 1, 2023
I have a YM4570 string trimmer that needs fuel and return lines replaced. Can you tell me what size line this takes? If so, do you stock this line? Thank you
For model number YM4570
PartSelect logo
Hello William, thank you for your question. The Diameter of the line that is recommended for theses Trimmers is .080. We do not sell the line. Good luck.

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Maximiliano
July 2, 2021
What is the gas mix recommended for this model. Gas only or a mix
For model number YM4570
PartSelect logo
Hello Maximiliano, Thank you for contacting PartSelect.com. Very sorry but we do not have the Gas Mix of the model, just parts lists and diagrams. For more specialized assistance or to speak with someone about this, we would suggest calling Yard Man directly. We hope this helps!

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Common Symptoms of the YM4570

[Viewing 1 of 1]
Engine revs but trimmer head will not turn
Fixed by
these parts
Fixing
Show All
Keep searches simple. Use keywords, e.g. "leaking", "pump", "broken" or "fit".
The gear ssembley was not turning
I ordered the gear assembley and the boom assembley and I stalled them.
Parts Used:
Boom Assembly, Lower Gear Box Assembly
  • Ronald from TOOL, TX
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Screw drivers
3 of 4 people found this instruction helpful.
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