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A bump head knob is a part of a string trimmer. When the trimmer is tapped against the ground or any hard surface, it will let out more line. This component, which is primarily made from rubber, is also responsible for securing the spool to the trimmer head. Over time, a bump knob can break. If it is damaged, the trimmer won't release more lines. It is easy to install a brand-new bump head knob replacement. First, get a screwdriver and unscrew the old bump knob. Grab the replacement and screw it to the trimmer head. Tighten it for a secure fit. This replacement only comes with a bump head knob. It doesn't have other string trimmer replacement parts. For an efficient, compatible part replacement, choose this MTD 791-153066B Bump Head Knob. You can use it with string trimmer models made by MTD, Bolens, Yard-Mad, Yard Machines, Craftsman, Troy-Bilt, and Ryobi. It is a genuine OEM part that is sold individually.
I ordered a new replacement part. Read more
The Clutch Assembly is an OEM part for MTD outdoor power equipment. This assembly is used in various lawn and garden machines to engage and disengage the power from the engine to the drive mechanism, allowing for controlled operation of the equipment.
Causes of a bad clutch assembly can include wear and tear from regular use, exposure to extreme temperatures, or damage due to improper handling or maintenance. A malfunctioning clutch can lead to poor performance and control of the equipment.
Symptoms of a bad clutch assembly include:
This MTD replacement part is also compatible with other brands and models within the MTD family, ensuring a wide range of applicability for your outdoor power equipment needs.
A lower flexible drive shaft is located inside lawn trimmer attachments. It is mounted inside the lower boom housing. The function of the part is to drive the trimmer head. The drive shaft will deteriorate and become more round with use. The rounded ends will ultimately fail to engage the trimmer head. The lower flexible drive shaft may also break or kink. The trimmer head stops quickly when this occurs. The trimmer will no longer function properly, and a replacement part is required.When replacing the lower flexible drive shaft in a trimmer, wear protective gloves. Start by removing the trimmer head, reel, and line assembly. Use a screwdriver to remove the outer head. Remove the guard assembly. Remove the bushing housing assembly. Access the lower flexible drive shaft and remove the damaged part. Lubricate the new part and install it with the lower flexible drive shaft's ring closest to the trimmer head. Reassemble the trimmer.This replacement part is an OEM genuine part supplied by the manufacturer. The lower flexible drive shaft can be used in MTD, Cub Cadet, Troy-Bilt, and Craftsman brand lawn trimmers. The part is sold individually. The lower flexible drive shaft is made of durable materials.
The inner spool reel is a genuine replacement part for select models of string trimmers. The inner reel is where the string for the trimmer is wound. Once the string has been wound around the reel, it is attached to the outer spool assembly and then threaded onto the trimmer and secured in place. This part is regularly exposed to repetitive motion and ground contact, and it can become damaged with use and require a replacement. With a genuine OEM part, owners can guarantee an exact fit for their compatible machines. This inner reel is manufactured to specific standards by MTD for use on hundreds of trimmers, including those from MTD, RYOBI, Cub Cadet, Yard Man, Bolens, Yard Machines, and Troy-Bilt. This reel does not require any tools to install. Use caution when winding the trimmer line so as not to create tangles that could jam the trimmer while it is being used. Disengage the engine before working on trimmers and always wear eye and hand protection for added safety. This inner reel is made of durable plastic and sold as a single unit. Other components will need to be purchased separately.
This reel is a genuine MTD replacement part for a lawn trimmer, which is designed to cut grass, shrubs, bushes, and weeds. The function of a reel in a lawn trimmer is to collect the line in the reel housing and then unspool the line from the housing while the lawn trimmer is in use. Within the lifespan of a lawn trimmer, it is likely that the reel will suffer some damage. This might result in issues with unspooling the line, rendering the lawn trimmer impossible to use. Damage to the reel might occur as a result of general wear and tear, overuse, exposure to the elements, or collision with the ground or another object; additionally, the reel could suffer from gradual deterioration in the form of anything from small cuts and nicks to serious piercings and erosion. If the reel is damaged to the point that the lawn trimmer is unusable, the reel should be removed and replaced immediately. Remember to always wear gloves when handling, repairing, and operating outdoor equipment. This reel is compatible with the following brands: MTD and Craftsman. This part sold individually.
Once the replacement part came in, I just had to slide the new one into place and reinstall the bump and the weed whacker is as good as new. Read more
This is a genuine OEM throttle cable that is designed for use with select gas string trimmers. The throttle cable connects to the carburetor and is used to stop the engine from running when the lever is shifted from throttle to choke. Over time, this cable is extended and retracted frequently and can become worn with use. It consists of the metal throttle cable and the plastic housing, and those can get broken or damaged as well, which will require the need for a full replacement. Without a functioning throttle cable, the engine may not run correctly, or the speed of the engine will not be able to be controlled. This replacement cable is ideal for compatible devices. This OEM throttle cable is manufactured to exact standards by MTD. It can be used with a variety of models of trimmers from MTD, Troy-Bilt, Yard Man, Cub Cadet, and Yard Machines. It is made of durable metal with a composite plastic housing. The trigger and screws are sold separately and will require an additional purchase if needed. Be sure to wear gloves when performing any equipment repairs.
Bump head trimmers use the impulse of a bump against the earth to release a measured amount of cutting twine from the spool. In actual use, this happens so quickly that an observer may not realize the user has bumped for more twine and resumed trimming. A simple but absolutely necessary piece of this procedure is the bump head spring that sits beneath the plastic bump cover and the cutting head. The spring signals the cutting head to release twine. While this system functions quite well and is the default method used by most grass trimmers, it should be noted that the spring can fail for a couple of reasons. First is simple overuse, revealed when the spring doesn't produce enough bounce back to cause the spool to release twine. This is the result of constant bumping. A second problem that arises is the stress the spring undergoes when twice spools are constantly changed. It is often the case that springs are incorrectly placed and bent in the process. When replacing the spring, it's essential to use one like this one, an OEM certified replacement that identically matches the original. This spring is compatible with Craftsman, Bolen, and Troy-Bilt trimmers.
This replacement part is a nut, and it is intended for use in different types of lawn equipment. This is a genuine replacement part made by MTD. Nuts are a small part found in many different types of machinery and are used to connect different parts and secure things together.A new nut might be needed if the current ones are missing or damaged in any way. It is common that nuts become stripped overtime and might get stuck or fall out of place. In this case, it is recommended that the nut be replaced. Be sure to review the specific owner's manual for more information on how to replace the nuts. This part is sold as an individual piece. Be sure to purchase the correct amount as many different machines use more than one during operation. This is also a genuine OEM replacement part sourced directly from the manufacturer.
This is a seven-inch cable tie that is used with different types of lawn and garden equipment. It is most commonly used to secure the cable onto the handle of the lawnmower or tiller so it is secure. The cable tie is made of durable plastic but can be damaged or break. When this happens, the tie will need to be replaced to ensure the cable stays on the handle.If the cable tie needs to be replaced, no tools are needed. In the situation where other parts need to be replaced at the same time, a basic set of tools and a pair of work gloves may be required. Turn off the yard equipment and place it on a stable surface before replacing the broken cable tie. The old tie can be removed so the new one can be installed before further use.This cable tie is an authentic OEM replacement part that is directly sourced from the manufacturer. This product is sold individually. The component is designed to be compatible with lawnmowers, lawn tractors, tillers, and snowblowers manufactured by MTD, Troy-Bilt, Yard-Man, and Yard Machines.
This is a throttle trigger assembly for a string trimmer. This part is used to engage the throttle cable, which opens the carburetor to add more of a mix of fuel and air into the combustion chamber. A new throttle trigger assembly will be needed if it is damaged in a way that prevents it from operating correctly. It could be broken by physical impact or could wear out with normal extended use. If the throttle trigger is not effectively actuating the throttle cable, it will need to be replaced. Allow the trimmer plenty of time to cool down before attempting to perform any care or maintenance on the machine.This throttle trigger is made to be used with string trimmers. It's an OEM part sourced directly from the manufacturer and it is sold individually. This part is used on MTD, Craftsman, Yard Machines, McCulloch, Remington, White Outdoor, and Troy-Bilt brands.
This recoil spring is used as part of the starting mechanism for gasoline power tools such as cultivators, leaf trimmers, edgers, power vacuums, and blowers. These devices do not use battery-powered starters and thus must rely on magneto armatures and rope pulls. The recoil spring is attached to the rope pull and returns the rope to its proper place after being pulled. The coil spring receives a tremendous amount of torque again and again over time, and through aging and stretching, the spring will become inoperable and need to be replaced. Signs the recoil spring has weakened include a slackened pull from the starter rope that does not allow the engine to start or an absolutely slack pull rope. Replacing the recoil spring is a matter of detaching the pull rope and removing the starter housing. Remember to wind the pull rope around the new coil spring to allow the proper amount and length of rope. It will have to be steadied in place as the starter housing is refastened. Always use a genuine OEM replacement part, such as this one, in order to get parts that are identical to the originals. The coil is compatible with tools branded by Cub Cadet, Yard-Man, Ryobi, Bolens, MTD, and Yard Machines.
This nut is a genuine MTD part, sold individually. This nut can be used as a replacement part in tillers, string trimmers, leaf blowers, and edgers. The purpose of a nut for one of these small engine outdoor appliances is to work in conjunction with a bolt to serve as a fastening component.Because of their size, nuts can be easily lost or misplaced. They may also become stripped from wear and tear with long-term use. If a nut is lost, misplaced, or cannot serve its critical function as a fastening component within the appliance, it should be removed and replaced by this genuine OEM replacement part.Sourced directly from the manufacturer, this component is a genuine replacement part that is sold individually. This nut is compatible with the following outdoor appliance brands: MTD, Craftsman, Cub Cadet, Ryobi, Troy-Bilt, Murray, Yard Machines, Bolens, and Yard-Man.