Models > BL425-21AK125G965

BL425-21AK125G965 Bolens Tiller - Overview

Sections of the BL425-21AK125G965

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Carburetor – Part Number: 753-06190
PartSelect #: PS9119300
Manufacturer #: 753-06190
It is an authentic manufacturer-sourced replacement part that i supplied for Craftsman trimmers. The function of a carburetor is to mix the air and the gas into a highly combustible mix before it goes...
  In Stock
TT Screw 1/4-20 x 0.5 – Part Number: 710-0599
TT Screw 1/4-20 x 0.5
PartSelect #: PS9298768
Manufacturer #: 710-0599
  In Stock
Clutch Assembly, Small – Part Number: 753-05860
Clutch Assembly, Small
PartSelect #: PS9303676
Manufacturer #: 753-05860
  In Stock
Air Cleaner Gasket – Part Number: 753-06253
Air Cleaner Gasket
PartSelect #: PS10009619
Manufacturer #: 753-06253
  In Stock
Switch – Part Number: 791-182405
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 ...
  In Stock
Nut, Flange Lock, 1/4-20, Grf – Part Number: 712-04064
Nut, Flange Lock, 1/4-20, Grf
PartSelect #: PS9299574
Manufacturer #: 712-04064
Also referred to as a Lock Nut or Flange Lock, this nut is designed for use with various lawn and garden equipment. The purpose of this part is to hold parts in place while resisting loosening when pr...
  In Stock
Throttle Cable – Part Number: 753-06831
Throttle Cable
PartSelect #: PS10009725
Manufacturer #: 753-06831
  In Stock
Carburetor O-Ring – Part Number: 753-06185
Carburetor O-Ring
PartSelect #: PS10009589
Manufacturer #: 753-06185
  In Stock
Housing Screw – Part Number: 791-181862
Housing Screw
PartSelect #: PS10014166
Manufacturer #: 791-181862
  In Stock
O-Ring – Part Number: 753-06174
PartSelect #: PS9120828
Manufacturer #: 753-06174
  On Order
Spark Plug – Part Number: 753-06193
Spark Plug
PartSelect #: PS10009597
Manufacturer #: 753-06193
  No Longer Available
Nut, Flange Lock, 1/4-20 – Part Number: 912-3027
Nut, Flange Lock, 1/4-20
PartSelect #: PS9155135
Manufacturer #: 912-3027
  In Stock

Questions And Answers for BL425-21AK125G965

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Common Symptoms of the BL425-21AK125G965

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Will Not Start
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Keep searches simple. Use keywords, e.g. "leaking", "pump", "broken" or "fit".
Carburetor replacement
Removed 2 screws securing the air cleaner and carburetor to the engine using a T25 Torx driver. then removed the throttle cable from the carb.Then removed the o ring gasket from the engine and replaced with a new one and replaced the carb etc. Primed it and fired it up.Runs just like new.
Parts Used:
Carburetor O-Ring Carburetor
  • William from PALMETTO, FL
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    Less than 15 mins
7 of 12 people found this instruction helpful.
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Trimmer Would Not Start
The replacement of the carburetor, O-ring, and gasket was simple. I removed 2 screws that held the air cleaner and carburetor in place, swapped them out, and replaced the screws. What took longest was finding a piece of fuel line after breaking one of them. It was brittle after hanging in my garage for several years. I found some in my garage and replaced it. It took a few pulls to get it started, but ran very smooth.

Additional information: rather than mixing my fuel, I purchased 40:1 pre-mix fuel to prevent gunking up the carburetor in the future. I use it in my other trimmer and have not had any issues.
Parts Used:
Air Cleaner Gasket Carburetor O-Ring Carburetor
  • Ricardo from FORT WORTH, TX
  • Difficulty Level:
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Pliers, Screw drivers
1 person found this instruction helpful.
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string trimmer would not start
emptied fuel from tank. pulled off the 2 fuel lines from the carburetor.opened the air cleaner door. removed the 2 torque screws that hold on the carburetor. removed the carburetor and air cleaner gasket. installed new carburetor and gasket and put back and tightened the 2 torque screws. closed air cleaner door and pushed the fuel lines onto the new carburetor.put some fuel in the tank. started the trimmer. runs great.
Parts Used:
Air Cleaner Gasket Carburetor
  • john from SHARPSVILLE, PA
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    15 - 30 mins
1 of 2 people found this instruction helpful.
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