What is the gas oil rayio for the stihl bg55?

The gas-oil ratio for the Stihl BG 55 leaf blower is typically 50:1. This means you should mix 50 parts of gasoline with 1 part of Stihl 2-cycle engine oil. Always refer to the user manual for specific recommendations, as using the correct mixture is crucial for optimal performance and longevity of the engine.