Introducing the Stihl 025 Parts Diagram, an indispensable tool for chainsaw enthusiasts and professionals alike. This comprehensive guide provides an in-depth overview of the Stihl 025's components, specifications, and maintenance procedures, empowering you to maintain, troubleshoot, and repair your chainsaw with confidence.
Delve into the intricate details of the Stihl 025, with exploded views that illustrate the assembly and relationships between components. Identify and order replacement parts with ease using the corresponding part numbers and descriptions. Understand the specifications and compatibility of various components, ensuring optimal performance and longevity.
Contents
Stihl 025 Parts Diagram Overview

The Stihl 025 parts diagram is a detailed schematic representation of all the components that make up the Stihl 025 chainsaw. It provides a visual guide to the assembly and disassembly of the chainsaw, making it easier to maintain and repair.
The diagram is divided into several sections, each of which covers a different aspect of the chainsaw. The main sections include:
- Engine
- Fuel system
- Ignition system
- Clutch
- Chain and guide bar
- Housing and controls
Within each section, the diagram shows the individual components in their relative positions. Each component is labeled with a number that corresponds to a parts list, which provides a description and the part number.
Exploded View and Part Identification: Stihl 025 Parts Diagram

The exploded view is a valuable resource for understanding the assembly and relationships between the components of the Stihl 025 chainsaw. It provides a clear visual representation of the machine, making it easier to identify and locate specific parts.
Part Identification Table
The exploded view is accompanied by a part identification table that provides corresponding part numbers and descriptions. This table is essential for identifying and ordering replacement parts, ensuring that the correct components are used for repairs and maintenance.
Component Specifications and Compatibility
Understanding the specifications and compatibility of Stihl 025 components is crucial for proper maintenance, repair, and accessory selection. This section provides an overview of the engine, carburetor, and bar and chain specifications, along with guidance on identifying compatible replacement parts and accessories.
Engine Specifications
The Stihl 025 is powered by a 45.6 cc single-cylinder two-stroke engine with a power output of 2.3 horsepower. It features a cylinder bore of 40 mm and a stroke of 32 mm. The engine is designed to operate at a maximum speed of 13,000 rpm and a rated speed of 10,500 rpm.
Carburetor Specifications
The Stihl 025 is equipped with a Walbro WT-294 carburetor. This carburetor is responsible for mixing fuel and air in the correct proportions for optimal engine performance. The carburetor features adjustable high-speed and low-speed needles, allowing for fine-tuning to suit specific operating conditions.
Bar and Chain Specifications
The Stihl 025 is compatible with a variety of bar and chain combinations. The recommended bar length ranges from 14 inches to 18 inches, depending on the desired cutting performance and application. The chain pitch is 3/8 inches, and the recommended gauge is .050 inches.
Identifying Compatible Replacement Parts and Accessories
When replacing parts or accessories for the Stihl 025, it is essential to ensure compatibility with the specific model. Stihl provides a comprehensive parts catalog and dealer network to assist with identifying the correct replacement parts. Additionally, using the Stihl model number and serial number can help narrow down the search for compatible components.
Maintenance and Troubleshooting

The Stihl 025 parts diagram serves as a valuable resource for maintenance and troubleshooting purposes. By understanding the location and function of each component, users can efficiently identify and address any issues that may arise.
To locate worn or damaged components, compare the condition of the parts in the diagram to the actual components on your saw. Look for any signs of wear, such as cracks, chips, or excessive play. Pay close attention to areas that experience high stress or friction, such as the chain, guide bar, and engine components.
Identifying Worn or Damaged Components, Stihl 025 parts diagram
- Inspect the chain for any signs of wear, such as stretched links, dull teeth, or excessive wear on the drive links.
- Check the guide bar for any cracks, bends, or damage to the nose or tip.
- Examine the engine components, including the cylinder, piston, and carburetor, for any signs of wear or damage.
- Inspect the air filter and spark plug for any signs of clogging or damage.
- Check the fuel lines and fuel filter for any leaks or damage.
Replacement Parts and Ordering Information

Maintaining and repairing your Stihl 025 chainsaw requires the use of high-quality replacement parts to ensure optimal performance and safety. This section provides a comprehensive list of recommended replacement parts for common maintenance and repair tasks, along with their corresponding part numbers and ordering information for easy access.
Replacement Parts Table
The following table lists the most commonly replaced parts for the Stihl 025 chainsaw, along with their part numbers and a brief description:
| Part Number | Description | Order Information |
|---|---|---|
| 1130 120 1602 | Air Filter | Available from authorized Stihl dealers or online retailers |
| 1135 640 7100 | Spark Plug | Available from authorized Stihl dealers or online retailers |
| 1138 140 0605 | Fuel Filter | Available from authorized Stihl dealers or online retailers |
| 1123 700 1203 | Chain Sprocket | Available from authorized Stihl dealers or online retailers |
| 1123 640 2202 | Guide Bar | Available from authorized Stihl dealers or online retailers |
When ordering replacement parts, it is crucial to provide the correct part number to ensure you receive the exact part you need. You can obtain the part numbers from the Stihl 025 Parts Diagram or consult with an authorized Stihl dealer for assistance.
Final Conclusion

Harness the power of the Stihl 025 Parts Diagram to keep your chainsaw running smoothly and efficiently. Whether you're a seasoned professional or a DIY enthusiast, this guide equips you with the knowledge and resources to maintain, troubleshoot, and repair your Stihl 025 with precision and confidence.
FAQ
What is the purpose of a Stihl 025 Parts Diagram?
A Stihl 025 Parts Diagram provides a detailed visual representation of the chainsaw's components, their assembly, and their relationships to each other.
How can I use the Stihl 025 Parts Diagram for troubleshooting?
By identifying the location and function of each component in the Stihl 025 Parts Diagram, you can pinpoint potential issues and determine the necessary repairs.
Where can I find replacement parts for my Stihl 025?
The Stihl 025 Parts Diagram includes part numbers and descriptions, which you can use to order replacement parts from authorized Stihl dealers or online retailers.


