840R (102084332) Ryobi Trimmer - Overview

This manufacturer-certified primer and hose assembly includes the primer bulb, the primer bulb housing, and the fuel line. Any or all of the clear plastic parts in this assembly may experience wear and tear over time that cause fuel to leak due to cracking or blockages. If they are not functioning, these parts will fail in their functio...Read moren of supplying fuel from the tank to the carburetor. This is an easy repair, which can be made by identifying the location of the parts, between the fuel tank and the carburetor, and reinstalling them with no special tools required. When installing, make sure the fuel lines are tight to prevent leaks and fire hazards.

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 part may break due to wear, and you will know it is broken because it will completely stop functioning. A troubleshooting tip is to tap t...Read morehe part on theg round to see if the cutting line advances. This is an easy repair to make, and does not require any tools. You will need to look for the bump head attachment point on the bottom of the cutting head assembly.

The OEM fuel return line, or fuel return tube, is a clear plastic line that returns fuel from the primer bulb back into the fuel tank of your engine. You will know your fuel return line is in need of replacement if cracks or leaks have begun appearing, and fuel is leaking from your carburetor. This part is sold individually, and you wil...Read morel know if it is right for your engine by checking your model number or owners manual. One end of the line will attach to the primer bulb, and the other to the fuel tank; make sure all fuel lines are tight when completing this repair, to prevent leaks and fire hazard risks. Most customers rated this repair as easy.

This is an original replacement part sourced directly from the manufacturer. The screw is commonly found in yard equipment from Craftsman, such as lawn tractors, snow blowers, and edgers. This part is made of metal, and may be found in various locations in the machine, depending on model. Please be aware that there are different screws...Read more used in the machine. Refer to the parts diagram to be sure of ordering the correct part. You will require a wrench when replacing this item. The screw is sold as an individual replacement part.

This Spark Plug is inserted into the cylinder head and is rated as "Easy" to install. The spark plug ignites the air fuel mixture inside the combustion chamber. If the part doesn't work, or is missing then the engine will not start and the spark plug must be replaced. This part should also be replaced annually as a part of proper engine maintenance. Tip: Gap to manufacturer's specs before installing.

Genuine OEM replacement part, this item is sold individually. This spring is used on all of the trimmers listed below. It is installed between the inner reel and the outer spool assembly. Its purpose is to keep pressure on the Bump Head Knob Assembly.

This is an original replacement part manufactured for use with trimmers. This coated steel blade is used to get more use out of trimmers. The strong blade is used to cut tall grass and brush when clearing an area. The blade is sold individually.

This shoulder strap is an authentic manufacturer-sourced part that is designed for use in a variety of lawn and garden equipment. It is an adjustable strap made of durable synthetic material that is worn over the shoulder. The strap features one plastic slide adjuster and one metal clasp that secures it to the equipment. It is designed to...Read more reduce strain on the arms, shoulders and back when using the equipment over a long period. It also stabilizes the equipment for easier handling. Over time the strap can wear down, or the clasp and adjuster may break, leading to discomfort and strain. Detach the old strap from the equipment and clasp the new strap onto the attachment points. Adjust the length using the plastic adjuster until the strap sits comfortably on your shoulder.

It is a genuine replacement part which is supplied directly from the original equipment manufacturer for use with handheld lawn and garden equipment. The purpose of this special cap is to keep the fuel in the tank, this part provides an identical replacement for a missing or damaged component which came with the new unit. It is a high-quality part which is made of durable plastic material and is sold individually.

This is an original replacement part manufactured for use with trimmers. The metal blade assembly attaches to the trimmer guard with two nuts and bolts, the hardware will come with the blade assembly. The blade assembly is used to trim excess line, the blade assembly is sold individually.

It is a genuine manufacturer-sourced replacement part that is supplied for use with handheld trimmers and tillers. This is the special clamp assembly which is used to secure the gearbox assembly to the outer boom housing. It is a high-quality component which is made of durable metal and it is sold individually.

This throttle trigger spring is an OEM part guaranteed to fit the trimmers listed below. It attaches to the throttle trigger (part # 791-181807). When dismantling the handle, be sure to take detailed note of the positioning of all related parts. Small parts such as this spring are easily lost or damaged; keeping a backup is recommended. Sold individually.