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21BK125G983
21BK125G983 MTD Cultivator
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$51.57
A carburetor basically consists of an open pipe through which the air passes into the inlet manifold of the engine. The pipe is in the form of a Venturi: it narrows in section and then widens again, ...
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$11.59
This is a genuine OEM sourced part which is specially made for use with Craftsman handheld lawn and garden equipment. Its purpose is to deliver electric current from the ignition system to the combust...
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$37.28
Genuine OEM replacement kit used on Gas Trimmers and Tillers. This part includes: Clutch Drum, Clutch, Clutch Washer and the Screw which has a left-handed thread. A centrifugal clutch is a part that u...
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$6.51
This is an authentic Craftsman replacement part that has been sourced from the original manufacturer to be used with trimmers and blowers. The gasket is used to seal the connection between the carbure...
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This is a TT screw, but it is also called a fastener, and it is used on multiple outdoor tools. This part is a Tri-Round or Tri-Lobular thread forming screw, it is 0.25 inches in diameter, 0.5 inches ...
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$6.51
This is a manufacturer approved O-Ring designed for lawn and garden equipment. This is the O-Ring that provides an Air Tight seal between Carburetor and Cylinder Head. If doing maintenance on carburet...
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$6.51
This is a flange lock nut, and it is used with various outdoor tools and equipment. The flange lock nut is all one piece. It has a bottom circular flange and a smaller top hex section. This is a torqu...
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$32.15
This is a genuine manufacturer sourced replacement fuel cap assembly. It is supplied directly from original manufacturer for use with a variety of gas powered lawn and garden equipment. It is used to ...
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$6.51
This is a genuine OEM sourced replacement housing screw designed for Ryobi and Troy-Bilt trimmers and blowers. It is commonly utilized to secure the starter housing. Please note, this metal housing sc...
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$6.51
This authentic manufacturer-approved component which is specially designed for use with handheld lawn and garden equipment. The purpose of this o-ring is to provide an air-tight seal between connected...
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$6.51
This is a high quality OEM supplied replacement hardware that is specially produced for use with lawn and garden equipment. It is a standard hardware that has multiple uses depending on the unit, plea...
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Common Problems and Symptoms for 21BK125G983
Viewing 3 of 3Will Not Start
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How to fix it
Engine stops after a few seconds or minutes
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Engine revs but trimmer head will not turn
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How to fix it
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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 o
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nto the new carburetor.put some fuel in the tank. started the trimmer. runs great.
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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
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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.
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.
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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.
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