This manual covers the Stihl 021, 023, and 025 series of power equipment. These models are engineered with robust 2-stroke, single-cylinder, air-cooled engines, featuring displacements of 40.2 cc for the 021, 45.0 cc for the 023, and 50.0 cc for the 025. Designed for demanding tasks, they incorporate essential features like an inertia-activated chain brake and an anti-vibration system for enhanced safety and operator comfort. The chain drive transmission and diaphragm carburetor contribute to their reliable performance in various applications.

The purpose of this comprehensive English-language service and repair manual is to provide detailed guidance for the maintenance and servicing of the Stihl 021, 023, and 025 models. It includes essential information on engine specifications, fuel mixture requirements (50:1 gasoline to 2-stroke oil), and operational components. This manual is an indispensable resource for owners, mechanics, and technicians seeking to ensure the longevity and optimal performance of their equipment through proper repair and maintenance procedures.

This manual covers the Stihl 021, 023, and 025 series of power equipment. These models are engineered with robust 2-stroke, single-cylinder, air-cooled engines, featuring displacements of 40.2 cc for the 021, 45.0 cc for the 023, and 50.0 cc for the 025. Designed for demanding tasks, they incorporate essential features like an inertia-activated chain brake and an anti-vibration system for enhanced safety and operator comfort. The chain drive transmission and diaphragm carburetor contribute to their reliable performance in various applications.

The purpose of this comprehensive English-language service and repair manual is to provide detailed guidance for the maintenance and servicing of the Stihl 021, 023, and 025 models. It includes essential information on engine specifications, fuel mixture requirements (50:1 gasoline to 2-stroke oil), and operational components. This manual is an indispensable resource for owners, mechanics, and technicians seeking to ensure the longevity and optimal performance of their equipment through proper repair and maintenance procedures.