The MS261 is a robust and versatile 2-stroke petrol engine, designed for demanding applications. Featuring a 50.2 cm³ engine producing 3.0 kW (4.0 bhp), it is engineered for efficiency and power. Notable features include an anti-vibration system for operator comfort, tool-less fuel and oil caps for convenience, and a decompression valve for easier starting. Its direct drive transmission with a centrifugal clutch ensures reliable power transfer. The MS261 is suitable for a range of tasks, offering various bar length options and a weight of 4.9 kg without the guide bar and chain.

This comprehensive Service Manual provides essential information for the maintenance and repair of the MS261. It covers critical areas such as routine maintenance procedures, including air filter cleaning, spark plug replacement, and chain sharpening, along with lubrication guidelines for the oilomatic system and bar and chain oil. Technical specifications detail engine components, fuel mixture requirements, and ignition systems. This manual is an indispensable resource for owners, mechanics, and technicians to ensure the optimal performance, longevity, and safe operation of their MS261.

The MS261 is a robust and versatile 2-stroke petrol engine, designed for demanding applications. Featuring a 50.2 cm³ engine producing 3.0 kW (4.0 bhp), it is engineered for efficiency and power. Notable features include an anti-vibration system for operator comfort, tool-less fuel and oil caps for convenience, and a decompression valve for easier starting. Its direct drive transmission with a centrifugal clutch ensures reliable power transfer. The MS261 is suitable for a range of tasks, offering various bar length options and a weight of 4.9 kg without the guide bar and chain.

This comprehensive Service Manual provides essential information for the maintenance and repair of the MS261. It covers critical areas such as routine maintenance procedures, including air filter cleaning, spark plug replacement, and chain sharpening, along with lubrication guidelines for the oilomatic system and bar and chain oil. Technical specifications detail engine components, fuel mixture requirements, and ignition systems. This manual is an indispensable resource for owners, mechanics, and technicians to ensure the optimal performance, longevity, and safe operation of their MS261.