SRM-250E Echo Trimmer - Overview

The m10 Left Hand Thread Nut is a 10mm, gold metal part, sold individually. This nut is a "reverse thread". It requires a wrench or socket set to install, and installation is rated as "Easy". Use this part to secure the blade to the unit, by attaching it to the shaft, securing the cutting blade. If broken or damaged, it should be replaced...Read more. Refer to your make, model and diagrams to check if this is the right part for you.

The Cotter Pin (or Split Pin) is a 2x22mm silver metal part, sold individually. It is rated as "Easy" to install, and installation will require a set of pliers. It can be attached in various locations on a variety of equipment and is used to secure and lock parts in place. If broken, damaged, or worn down the part it is securing may becom...Read moree loose, and the part should be replaced. If this part is removed for repairs, replace it with a new one. Refer to your make, model, and diagrams to make sure this is the correct part.

This piston ring is an authentic manufacturer approved replacement part. Is is commonly used on Echo gas trimmers/edgers. The purpose of a piston ring is to create an air tight seal inside the cylinder. A worn or broken piston ring will allow combustion gases to escape the seal and enter the crankcase. This would cause low compression and...Read more a loss of power. Replacing an o-ring should resolve this issue. This part is made out of metal and is sold individually. To complete this repair you will need a set of wrenches, pliers and a screwdriver. • Remove the air cleaner • Drain the fuel • Remove the air cleaner case • Remove the carburetor • Remove the intake insulator • Remove the spark plug • Remove the engine cover • Remove the insulator gasket • Remove the starter assembly • Remove the fuel tank • Remove the air duct • Separate the engine • Bind the engine • Remove the clutch • Remove the flywheel • Remove the starter pulley • Unbind the engine • Remove the muffler • Separate the cylinder from the crankcase • Remove the piston ring • Install the piston ring • Reassemble and test the equipment

This OEM nut is a 5mm, gold, metal nut, which is sold individually. It can be installed with a Wrench or Socket and Torque Wrench by torquing to the manufacturer specifications. This nut is used to secure another part in place, and should be replaced if damaged due to fatigue (such as damaged threads or rounded ends). This nut can have v...Read morearious uses on various equipment, and as such the difficulty of the installation can vary, but generally this is an easy repair.

This spark plug wire, also known as a spark plug coil or spark plug cap coil, is compatible with various makes and models of hand-held outdoor power equipment and is sold individually. This wire is installed within the spark plug boot and attaches to the spark plug for the ignition of your equipment. The spark plug wire is often exposed t...Read moreo extreme heat and excessive vibrations, so through normal wear and tear, it will likely break down. If your equipment is having difficulty starting or has general performance issues, the wire may be the reason why. To replace this wire, make sure your equipment is off before removing the wire and boot from the spark plug. Remove the boot from the wire and install the new wire within the boot before re-installing the boot back to the spark plug.

This OEM metal washer is commonly used on a variety of different small engine/lawn equipment models and is sold individually. This washer is used to help evenly distribute pressure from the securing bolt or screw with the cylinder cover, to reduce any effects of vibration from the engine. If the connection between the securing fastener be...Read morecomes loose, or if you are replacing the fastener itself, it is recommended that you replace this washer as well.

This replacement screw is specially designed for use with Echo handheld lawn and garden equipment. It is a high quality OEM sourced item, not an aftermarket imitation. This screw is a standard hardware which has multiple uses depending on the equipment. Please note, this hex socket head screw is sold individually.

This replacement part is an authentic OEM screw designed for use with blowers and string trimmers. This is a standard hardware which has multiple uses based on equipment. Please refer to diagrams for proper application. This screw is made out of metal and it is sold individually. To secure or loosen this screw you would need a phillips head screwdriver.

This is an original part from Echo. The metal rewind spring is made for use with a variety of lawn and garden engines. This item is fitted between the recoil drum and the starter plate in the starter assembly. This component rewinds the starter rope after has been pulled to start the motor. A screwdriver is required for the repair. The rewind spring is sold individually.

The Blade Fixture is a silver, metal, individualy sold blade, which attaches at the bottom of the cutting head assembly, being held on by the nut and cotter pin. It is used to secure the blade fixing plate of the trimming tool. Installation is rated as "Easy" and requires a wrench and pliers to complete. If broken or damaged due to genera...Read morel wear, the cutting blade will not be secured, may be loose, or may not be able to stay on, which means you need to replace it. Refer to your make, model, and diagrams to ensure this is the correct part.

This is an authentic OEM supplied replacement starter rope that is produced for use with Echo gas powered equipment. It is the part of the recoil starter mechanism which allows user to pull-start the engine. One durable nylon rope is included per order, please note the plastic grip handle is sold separately.